OPULENT PHARMA IMPURITY STOCK LIST - V,W,X,Y,Z
OPULENT PHARMA IMPURITY STOCK LIST
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OPULENT PHARMA IMPURITY STOCK LIST
UPDATED OCTOBER 2019
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A-Z
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IMPURITY STOCK LIST
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CAS NUMBER
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V
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Product: VALACICLOVIR IMPURITIES
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V
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Valaciclovir EP Impurity A/ Valaciclovir Related Compound A
(Guanine/ Acyclovir EP Impurity B)
|
73-40-5
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V
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Valaciclovir EP Impurity B/ Valaciclovir Related Compound B
(Acyclovir)
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59277-89-3
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V
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Valaciclovir EP Impurity C/ Valaciclovir Related Compund C
(N-Methyl Valacyclovir)
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1346747-65-6
1346617-39-7 |
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V
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Valaciclovir EP Impurity D/ Valaciclovir Related Compund D
(N-Ethyl Valacyclovir)
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1346747-69-0
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V
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Valaciclovir EP Impurity E/ Valaciclovir Related Compund E
(N-Benzyloxycarbonyl Valacyclovir)
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124832-31-1
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V
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Valaciclovir EP Impurity F/ Valaciclovir Related Compund F
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86150-61-0
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V
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Valaciclovir EP Impurity G/ Valaciclovir Related Compound G
(Famciclovir Dimethylaminopyridine Impurity)
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1122-58-3
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V
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Valaciclovir EP Impurity H/ Valaciclovir Related Compund H
(Acyclovir L-Alaninate/ Didesmethyl Valacyclovir)
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84499-64-9
84499-63-8 |
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V
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Valaciclovir EP Impurity I/ Valaciclovir Related Compund I
(O-Acetyl Aciclovir/ Acyclovir EP Impurity A)
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102728-64-3
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V
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Valaciclovir EP Impurity J (Acyclovir L-Isoleucinate)
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142963-63-1
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V
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Valaciclovir EP Impurity K
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|
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V
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Valaciclovir EP Impurity L (Acyclovir N-Methylene Dimer)
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1797131-64-6
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V
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Valaciclovir EP Impurity M (N-Formyl Valacyclovir)
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847670-62-6
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V
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Valaciclovir EP Impurity N (Guaninyl Valacyclovir)
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|
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V
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Valaciclovir EP Impurity O
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|
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V
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Valaciclovir EP Impurity P (Valaciclovir Dimer)
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1356019-51-6
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V
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Valaciclovir EP Impurity Q
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|
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V
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Valaciclovir EP Impurity R (D-Valacyclovir/ Acyclovir
D-Valinate)
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142963-60-8
124832-28-6 |
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V
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Product: VALGANCICLOVIR IMPURITIES
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V
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Valganciclovir Related Compound A (Ganciclovir)
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82410-32-0
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V
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Valganciclovir
Related Compound C (9-Methoxymethyl Guanine)
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1202645-50-8
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V
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Valganciclovir Related Compound E (Monoacetoxy Ganciclovir)
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88110-89-8
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V
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Valganciclovir Related Compound N (Ganciclovir Mono-N-Methyl
Valinate)
|
1401562-16-0
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V
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Valganciclovir HCl D-Valine Analog
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1393911-57-3
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V
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Product: VALPORIC ACID IMPURITIES
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V
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Valproic Acid EP Impurity A
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109-52-4
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V
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Valproic Acid EP Impurity B
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20225-24-5
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V
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Valproic Acid EP Impurity C/ Valproic Acid Related Compound B
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62391-99-5
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V
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Valproic Acid EP Impurity D
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52061-75-3
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V
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Valproic Acid EP Impurity E
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626-97-1
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V
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Valproic Acid EP Impurity F
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2430-27-5
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V
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Valproic Acid EP Impurity H
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110-59-8
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V
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Valproic Acid EP Impurity K
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5343-52-2
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V
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Valproic Acid EP Impurity L
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97-61-0
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V
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Valproic Acid Related Compound A
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99-67-2
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V
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2-Butyl Valeric Acid
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3274-28-0
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V
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Valproic Acid Methyl Ester
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22632-59-3
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V
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diethyl 2-isopropyl-2-propylmalonate
|
62391-98-4
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V
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Product: VALSARTAN IMPURITIES
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V
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Valsartan EP Impurity A/ Valsartan Related Compound A (Valsartan
R-Isomer)
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137862-87-4
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V
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Valsartan EP Impurity B/ Valsartan Related Compound C (Valsartan
Benzyl Ester)
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137863-20-8
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V
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Valsartan EP Impurity C/ Valsartan Related Compound B (Valsartan
N-Butyryl Analog)
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952652-79-8
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V
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Valsartan Related Compound E (Valsartan Methyl Ester)
|
137863-17-3
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V
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N-Nitrosodiethylamine
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55-18-5
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V
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N-Nitrosodimethylamine
|
62-75-9
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V
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Valsartan Dibromo N2-Trityl Impurity (Losartan Dibromo N2-Trityl
Impurity/ Irbesartan Dibromo N2-Trityl Impurity/ Candesartan Dibromo
N2-Trityl Impurity/ Candesartan Dibromo TTBB Impurity/ Olmesartan Dibromo
N2-Trityl Impurity)
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151052-34-5
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V
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Valsartan Dibromomethyl Impurity (Irbesartan Dibromomethyl
Impurity/ Losartan Dibromomethyl Impurity)
|
209911-63-7
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V
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Valsartan Desvaleryl Impurity/ Des(oxopentyl) Valsartan
|
676129-92-3
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V
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L-Alanine
Valsartan
|
137862-57-8
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V
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Isoleucine Valsartan
|
137862-78-3
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V
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Valsartan
Cyano Desvaleryl Methyl Ester
|
137863-89-9
482577-59-3 |
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V
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Valsartan Ethyl Ester
|
1111177-30-0
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V
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Product: VARDENAFIL IMPURITIES
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V
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Vardenafil EP Impurity C/ Vardenafil Dimer (Vardenafil
bis-Sulfonamide Dimer)
|
1255919-03-9
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V
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Vardenafil Benzoyl Impurity
|
1255919-01-7
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V
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Product: VARENICLINE IMPURITIES
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|
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V
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Varenicline N-Formyl Impurity
|
796865-82-2
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V
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(1S,5R)-8-nitro-2,3,4,5-tetrahydro-1H-1,5-methanobenzo[d]azepin-7-amine
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950781-87-0
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V
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Varenicline meta-Dinitro Impurity
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|
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V
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Product: VENLAFAXINE IMPURITIES
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V
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Venlafaxine EP Impurity A (Descyclohexanol venlafaxine)
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775-33-7
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V
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Venlafaxine EP Impurity B (Venlafaxine Ester Impurity)
|
323176-93-8
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V
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Venlafaxine EP Impurity C (DDMV/ N,N-Didesmethyl Venlafaxine)
|
93413-77-5
130198-05-9 |
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V
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Venlafaxine EP Impurity D/ Venlafaxine Related Compound A
(N-Desmethyl Venlafaxine)
|
149289-30-5
93413-90-2 |
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V
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Venlafaxine EP Impurity E
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93413-70-8
93413-56-0 |
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V
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Venlafaxine EP Impurity F
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93413-57-1
93413-79-7 |
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V
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Venlafaxine EP Impurity G (Deshydroxy Venlafaxine)
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1076199-92-2
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V
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Venlafaxine EP Impurity H
|
1329795-88-1
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V
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Venlafaxine Cyano Impurity
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93413-76-4
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V
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Venlafaxine O-Desmethyl N-Dimer (Desvenlafaxine N-Dimer)
|
1187545-61-4
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V
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Venlafaxine O-Desmethyl Impurity/ Desvenlafaxine
|
93413-62-8
448904-47-0 300827-87-6 386750-22-7 |
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V
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Venlafaxine O-Desmethyl Cyclic Impurity (Desvenlafaxine Spiro
Impurity/ Desvenlafaxine Cyclic Impurity)
|
1346601-55-5
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V
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Venlafaxine O-Desmethyl N-Desmethyl Impurity (Desvenlafaxine
N-Desmethyl Impurity)
|
135308-74-6
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V
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Venlafaxine O-Desmethyl N-Oxide
|
1021933-95-8
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V
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Venlafaxine O-Desmethyl Anhydro Impurity (Desvenlafaxine Anhydro
Impurity)
|
1346600-38-1
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V
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Product: VERAPAMIL IMPURITIES
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V
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Verapamil
EP Impurity A
|
141991-88-0
63434-11-7 |
|
V
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Verapamil
EP Impurity B
|
3490-06-0
13078-76-7 |
|
V
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Verapamil
EP Impurity C
|
3490-05-9
51012-67-0 |
|
V
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Verapamil
EP Impurity D
|
36770-74-8
|
|
V
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Verapamil
EP Impurity E/ Verapamil Related Compound F
|
93-03-8
|
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V
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Verapamil
EP Impurity F/ Verapamil Related Compound A
|
34245-14-2
67775-97-7 |
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V
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Verapamil
EP Impurity G/ Verapamil Related Compound E
|
120-14-9
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V
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Verapamil
EP Impurity H
|
67018-83-1
190850-49-8 |
|
V
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Verapamil
EP Impurity I/ Verapamil Related Compound B
|
2893-91-6
1794-55-4 |
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V
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Verapamil
EP Impurity J (N-nor Verapamil)
|
67018-85-3
67812-42-4 |
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V
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Verapamil
EP Impurity K
|
20850-49-1
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V
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Verapamil
EP Impurity L
|
14046-55-0
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V
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Verapamil EP Impurity M/ Verapamil Related Compound D
|
141991-89-1
190850-50-1 |
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V
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Verapamil EP Impurity O
|
959011-16-6
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V
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Product: VIGABATRIN IMPURITIES
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|
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V
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Vigabatrin EP Impurity A/
Vigabatrin Related Compound A
|
7529-16-0
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V
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Vigabatrin EP Impurity B/
Vigabatrin Related Compound B
|
1379504-35-4
1379403-11-8 |
|
V
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Vigabatrin EP Impurity C
|
71107-19-2
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V
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Vigabatrin EP Impurity E/
Vigabatrin Related Compound E
|
1378466-25-1
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|
V
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Vigabatrin EP Impurity F
|
794466-81-2
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V
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Product: VILAZODONE IMPURITIES
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|
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V
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3-Nitro2-hydroxybenzaldehyde
|
5274-70-4
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V
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3-(4-hydroxybutyl)-1H-indole-5-carbonitrile
|
914927-40-5
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|
V
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Vilazodone
N-Oxide
|
1622425-52-8
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|
V
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Vilazodone Carboxylic Acid
|
163521-19-5
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V
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Ethyl 5-Aminobenzofuran-2-carboxylate
|
174775-48-5
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V
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3-(4-chlorobutanoyl)-1H-indole-5-carbonitrile
|
276863-95-7
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V
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Product: VILDAGLIPTIN IMPURITIES
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V
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Vildagliptin (2R)-Isomer
|
1036959-27-9
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V
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Vildagliptin Amide Impurity/ Vildagliptin Carboxamide Impurity
|
565453-39-6
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V
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Vildagliptin Dimer Impurity/ Vildagliptin Tertiary-Amine
Impurity
|
1036959-23-5
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V
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Vildagliptin Carboxylic Acid
|
565453-40-9
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V
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Vildagliptin Carboxylic Acid Methyl Ester
|
948574-56-9
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|
V
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Vildagliptin Des Hydroxy Impurity
|
|
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V
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1-Amino-3-nitroadamantane
|
243145-00-8
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|
V
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Vildagliptin
Chloroacetyl Nitrile (R)-Isomer
|
565452-98-4
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|
V
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Vildagliptin
Amino Alcohol Impurity
|
702-82-9
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V
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Vildagliptin
Chloroacetyl Amide (S)-Isomer
|
214398-99-9
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V
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Vildagliptin
Chloroacetyl Nitrile (S)-Isomer
|
207557-35-5
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V
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Vildagliptin
diketo Impurity
|
1789703-36-1
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V
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Vildagliptin
Imine Impurity (Vildagliptin Cyclo Imidamide)
|
1710765-32-4
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V
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Vildagliptin
Lactam Impurity
|
|
|
V
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Product: VORICONAZOLE IMPURITIES
|
|
|
V
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Voriconazole EP Impurity A/ Voriconazole Related Compound C
(Voriconazole Triazole Acetophenone Impurity/ Fluconazole EP Impurity E/
Fluconazole Keto Impurity)
|
86404-63-9
|
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V
|
Voriconazole EP Impurity B/ Voriconazole Related Compound D
(Desfluoro rac-Voriconazol)
|
182369-73-9
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V
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Voriconazole EP Impurity D/ Voriconazole Related Compound B
(Voriconazole Enantiomer)
|
137234-63-0
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V
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Voriconazole
EP Impurity E
|
35963-20-3
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V
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4-Chloro-5-fluoropyrimidine
|
347418-42-2
|
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V
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Product: VORTIOXETINE IMPURITIES
|
|
|
V
|
N-Acetyl Vortioxetine
|
1801352-86-2
|
|
V
|
Piperazine, 1-[2-[(2-methylphenyl)thio]phenyl]-
|
1293489-71-0
|
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V
|
1-(2-(m-tolylthio)phenyl)piperazine
|
1293489-69-6
|
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V
|
1-(2-(p-tolylthio)phenyl)piperazine
|
508233-82-7
|
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V
|
1-(2-((2,3-dimethylphenyl)thio)phenyl)piperazine
|
1293343-33-5
|
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V
|
1,2-bis(2,4-dimethylphenyl)disulfane
|
13616-83-6
|
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V
|
2,4-Dimethyl-1-(phenylthio)benzene
|
16704-47-5
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V
|
Vortioxetine Sulfoxide
|
1429908-35-9
|
|
X
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Product: XYLOMETAZOLINE IMPURITIES
|
|
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X
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Xylometazoline EP Impurity A
|
94266-17-8
|
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X
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Xylometazoline EP Impurity B
|
19387-83-8
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X
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Xylometazoline EP Impurity C
|
84803-57-6
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X
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Xylometazoline EP Impurity D
|
98-19-1
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X
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Xylometazoline EP Impurity F
|
854646-92-7
|
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Z
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Product: ZIDOVUDINE IMPURITIES
|
|
|
Z
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Zidovudine EP Impurity B/ Zidovudine Related Compound B
|
25526-94-7
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Z
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Zidovudine EP Impurity C/ Zidovudine Related Compound C
(Stavudine EP Impurity A/ Thymine)
|
65-71-4
|
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Z
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Zidovudine EP Impurity D (Losartan EP Impurity G/
Triphenylmethanol/ Trityl Alcohol/ Candesartan Trityl Alcohol Impurity/
Irbesartan Triphenylmethanol Impurity)
|
76-84-6
|
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Z
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Zidovudine EP Impurity F (Stavudine EP Impurity B)
|
16053-52-4
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Z
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Zidovudine Related Compound A
|
3065-17-5
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Z
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Zidovudine Related Compound D (Stavudine EP Impurity C/
Thymidine)
|
50-89-5
|
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Z
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Product: ZILEUTON IMPURITIES
|
|
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Z
|
Zileuton
Related Compound A (N-Dehydroxyzileuton)
|
171370-49-3
|
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Z
|
Zileuton
Related Compound C (2-Acetylbenzothiophene)
|
22720-75-8
|
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Z
|
(Z)-1-(Benzo[b]thiophen-2-yl)ethanone
Oxime
|
147396-08-5
|
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Z
|
1-(benzo[b]thiophen-2-yl)ethanol
|
51868-95-2
|
|
Z
|
Product: ZIPRASIDONE IMPURITIES
|
|
|
Z
|
Ziprasidone EP Impurity A/ Ziprasidone Related
Compound A
|
87691-87-0
|
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Z
|
Ziprasidone EP Impurity B/ Ziprasidone Related
Compound B (3-Oxo Ziprasidone)
|
1159977-56-6
|
|
Z
|
Ziprasidone EP Impurity C (Ziprasidone Open-Ring Impurity/
Ziprasidone Amino Acid)
|
1159977-64-6
1798033-44-9 |
|
Z
|
Ziprasidone EP Impurity D/ Ziprasidone Related
Compound C (Ziprasidone Dimer)
|
1303996-68-0
|
|
Z
|
Ziprasidone EP Impurity E/ Ziprasidone Related
Compound D
|
1159977-04-4
|
|
Z
|
Ziprasidone
EP Impurity P (Lurasidone DBI Piperazine Impurity)
|
223586-82-1
|
|
Z
|
Ziprasidone Related Compound F
|
|
|
Z
|
Hydroxy Ziprasidone
|
884305-08-2
|
|
Z
|
Ziprasidone Sulfoxide
|
188797-80-0
|
|
Z
|
Ziprasidone
Deschloro Impurity
|
118305-72-9
|
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Z
|
Product: ZOLEDRONIC IMPURITIES
|
|
|
Z
|
Imidazole-4-acetic acid
|
645-65-8
|
|
Z
|
Imidazole (Ondansetron EP Impurity E/ Enalapril EP Impurity I/
Bifonazole EP Impurity C/ Clotrimazole EP Impurity D)
|
288-32-4
|
|
Z
|
Imidazol-1-yl-acetic Acid
|
22884-10-2
|
|
Z
|
Product: ZOLMITRIPTAN IMPURITIES
|
|
|
Z
|
Zolmitriptan EP Impurity A (Zolmitriptan R-Isomer)
|
139264-24-7
|
|
Z
|
Zolmitriptan EP Impurity B/ Zolmitriptan Related Compound E
(Zolmitriptan N-Oxide)
|
251451-30-6
|
|
Z
|
Zolmitriptan EP Impurity D (N,N-DiDesmethyl Zolmitriptan)
|
139264-15-6
|
|
Z
|
Zolmitriptan EP Impurity E/ Zolmitriptan Related Compound G
|
152305-23-2
|
|
Z
|
Zolmitriptan EP Impurity F/ Zolmitriptan Related Compound B
|
139264-69-0
|
|
Z
|
Zolmitriptan EP Impurity G/ Zolmitriptan Related Compound A
(N-Desmethyl Zolmitriptan)
|
139264-35-0
|
|
Z
|
Zolmitriptan EP Impurity H
|
|
|
Z
|
Zolmitriptan Related Compound C
|
1346599-24-3
|
|
Z
|
Zolmitriptan Related Compound D (Ethoxycarbonyl Zolmitriptan)
|
191864-24-1
868622-23-5 |
|
Z
|
Zolmitriptan
Related Compound F (Zolmitriptan Dimer Impurity)
|
1350928-05-0
|
|
Z
|
Zolmitriptan Related Compound H
|
1116-77-4
|
|
Z
|
Product: ZOLPIDEM IMPURITIES
|
|
|
Z
|
Zolpidem EP Impurity A/ Zolpidem Related Compound A (5-Methyl
Zolpidem)
|
1346600-85-8
|
|
Z
|
Zolpidem Related Compound C (Zolpyridine)
|
349122-64-1
|
|
Z
|
Tolyloyl propionamide
|
402470-91-1
|
|
Z
|
Zolpidem Acid
|
189005-44-5
|
|
Z
|
Zolpidem Cyano Impurity/ Zolpidem IV
|
768398-03-4
|
|
Z
|
Product: ZONISAMIDE IMPURITIES
|
|
|
Z
|
Zonisamide Related Compound A (Zonisamide Sulfonic Acid
Impurity)
|
73101-64-1
|
|
Z
|
4-Hydroxycoumarin
|
1076-38-6
|
|
Z
|
Zonisamide N-Methyl Impurity
|
68292-02-4
|
|
Z
|
Product: ZOPICLONE IMPURITIES
|
|
|
Z
|
Zopiclone
EP Impurity B
|
43200-81-3
|
|
Z
|
Zopiclone
EP Impurity C
|
148891-53-6
|
|
Z
|
6-(5-Chloropyridin-2-yl)-
6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5,7-dione
|
43200-82-4
|
|
Z
|
Zopiclone
EP Impurity A (Zopiclone N-Oxide)
|
43200-96-0
|
|
Z
|
2-Amino-5-chloropyridine
|
1072-98-6
|
|
Z
|
2-Mercaptopyridine
N-Oxide Zinc Salt
|
13463-41-7
|
|
Z
|
Zopiclone R-Isomer
|
138680-08-7
|
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