API Impurities
1-Ethylpiperazine
Chemical Name: 1-ethylpiperazine
CAS No:
5308-25-8
Molecular Formula: C6H14N2
Molecular Weight: 114.19
CAT No:
ALL-VAR-11
Keywords: 1-ethylpiperazine, CS NO - 5308-25-8
Inventory Status:IN STOCK, (Bulk qty available)
1-Methylpiperazine
Chemical Name: 1-methylpiperazine
CAS No:
109-01-3
Molecular Formula: C5H12N2
Molecular Weight: 100.16
CAT No:
ALL-VAR-16
Keywords: 1-methylpiperazine, CAS NO -109-01-3
Inventory Status:IN STOCK, (Bulk qty available)
sulfonyl)benzimidamide.jpg)
2-Ethoxy-5-((4-ethylpiperazin-1-yl)sulfonyl)benzimidamide
Chemical Name: 2-ethoxy-5-((4-ethylpiperazin-1-yl)sulfo...
CAS No:
NO DATA AVAILABLE
Molecular Formula: C15H24N4O3S
Molecular Weight: 340.44
CAT No:
ALL-VAR-14
Keywords: 2-ethoxy-5-((4-ethylpiperazin-1-yl)sulfo...
Inventory Status:IN STOCK, (Bulk qty available)
sulfonyl)benzimidohydrazide-1.jpg)
2-Ethoxy-5-((4-ethylpiperazin-1-yl)sulfonyl)benzimidohydrazide
Chemical Name: 2-Ethoxy-5-((4-ethylpiperazin-1-yl)sulfo...
CAS No:
NO DATA AVAILABLE
Molecular Formula: C15H25N5O3S
Molecular Weight: 355.46
CAT No:
LL-VAR-15
Keywords: 2-Ethoxy-5-((4-ethylpiperazin-1-yl)sulfo...
Inventory Status:IN STOCK, (Bulk qty available)
sulfonyl)benzoyl cyanide.jpg)
2-Ethoxy-5-((4-ethylpiperazin-1-yl)sulfonyl)benzoyl cyanide
Chemical Name: 2-ethoxy-5-((4-ethylpiperazin-1-yl)sulfo...
CAS No:
NO DATA AVAILABLE
Molecular Formula: C16H21N3O4S
Molecular Weight: 351.42
CAT No:
ALL-VAR-13
Keywords: 2-ethoxy-5-((4-ethylpiperazin-1-yl)sulfo...
Inventory Status:IN STOCK, (Bulk qty available)
sulfonyl)benzoic acid-3.jpg)
2-ethoxy-5-((4-methylpiperazin-1-yl)sulfonyl)benzoic acid
Chemical Name: 2-ethoxy-5-((4-methylpiperazin-1-yl)sulf...
CAS No:
NO DATA AVAILABLE
Molecular Formula: C14H20N2O5S
Molecular Weight: 328.38
CAT No:
ALL-VAR-18
Keywords: 2-ethoxy-5-((4-methylpiperazin-1-yl)sulf...
Inventory Status:IN STOCK, (Bulk qty available)
sulfonyl)benzoic acid-2.jpg)
2-hydroxy-5-((4-methylpiperazin-1-yl)sulfonyl)benzoic acid
Chemical Name: 2-hydroxy-5-((4-methylpiperazin-1-yl)sul...
CAS No:
NO DATA AVAILABLE
Molecular Formula: C12H16N2O5S
Molecular Weight: 300.33
CAT No:
ALL-VAR-17
Keywords: 2-hydroxy-5-((4-methylpiperazin-1-yl)sul...
Inventory Status:IN STOCK, (Bulk qty available)
3-carbamoyl-4-ethoxybenzene-1-sulfonyl chloride
Chemical Name: 3-carbamoyl-4-ethoxybenzene-1-sulfonyl c...
CAS No:
NO DATA AVAILABLE
Molecular Formula: C9H10ClNO4S
Molecular Weight: 236.7
CAT No:
ALL-VAR-10
Keywords: 3-carbamoyl-4-ethoxybenzene-1-sulfonyl c...
Inventory Status:IN STOCK, (Bulk qty available)
sulfonyl)benzoic acid-4.jpg)
4-Amino-1-methyl-3-propyl-1H-pyrazole-5-carboxamide
Chemical Name: 4-amino-1-methyl-3-propyl-1H-pyrazole-5-...
CAS No:
NO DATA AVAILABLE
Molecular Formula: C8H14N4O
Molecular Weight: 182.22
CAT No:
ALL-VAR-19
Keywords: 4-amino-1-methyl-3-propyl-1H-pyrazole-5-...
Inventory Status:IN STOCK, (Bulk qty available)
sulfonyl)benzoic acid-4.jpg)
5-(chlorosulfonyl)-2-hydroxybenzoic acid
Chemical Name: 5-(chlorosulfonyl)-2-hydroxybenzoic acid
CAS No:
NO DATA AVAILABLE
Molecular Formula: C7H5ClO5S
Molecular Weight: 236.63
CAT No:
ALL-VAR-20
Keywords: 5-(chlorosulfonyl)-2-hydroxybenzoic acid
Inventory Status:IN STOCK, (Bulk qty available)
Vardenafil Carboxylic Acid Impurity
Chemical Name: 3-(1,4-Dihydro-5-methyl-4-oxo-7-propylim...
CAS No:
358390-39-3
Molecular Formula: C18H20N4O4
Molecular Weight: 356.38
CAT No:
ALL-VAR-1
Keywords: Vardenafil Carboxylic Acid Impurity, 3-(...
Inventory Status:3-4 Weeks
Vardenafil Chlorosulfone Impurity
Chemical Name: 4-Ethoxy-3-(5-methyl-4-oxo-7-propyl-3,4-...
CAS No:
224789-26-8
Molecular Formula: C17H19ClN4O4S
Molecular Weight: 410.88
CAT No:
ALL-VAR-2
Keywords: Vardenafil Chlorosulfone Impurity, 4-Eth...
Inventory Status:3-4 Weeks
Vardenafil Dessulfonyl Impurity
Chemical Name: 2-(2-Ethoxyphenyl)-5-methyl-7-propyl-3H-...
CAS No:
224789-21-3
Molecular Formula: C17H20N4O2
Molecular Weight: 312.37
CAT No:
ALL-VAR-4
Keywords: Vardenafil Dessulfonyl Impurity, 2-(2-Et...
Inventory Status:3-4 Weeks
Vardenafil Dihydrochloride
Chemical Name: 1-[[3-(1,4-Dihydro-5-methyl-4-oxo-7-prop...
CAS No:
224789-15-5
Molecular Formula: C23H34Cl2N6O4S
Molecular Weight: 561.52
CAT No:
ALL-VAR-5
Keywords: Vardenafil Dihydrochloride, 1-[[3-(1,4-D...
Inventory Status:3-4 Weeks
Vardenafil EP Impurity A
Chemical Name: 1-[[3-(1,4-Dihydro-4-oxo-5,7-dimethylimi...
CAS No:
NO DATA AVAILABLE
Molecular Formula: C21H28N6O4S
Molecular Weight: 460.55
CAT No:
ALL-VAR-9
Keywords: Vardenafil EP Impurity A
Inventory Status:IN STOCK
Vardenafil EP Impurity B
Chemical Name: 3-(1,4-Dihydro-5-methyl-4-oxo-7-propylim...
CAS No:
437717-43-6
Molecular Formula: C17H20N4O5S
Molecular Weight: 392.43
CAT No:
ALL-VAR-3
Keywords: Vardenafil EP Impurity A, CAS No - 43771...
Inventory Status:IN STOCK
Vardenafil Hydroxyethyl Impurity
Chemical Name: 1-[[3-(1,4-Dihydro-5-methyl-4-oxo-7-prop...
CAS No:
224785-98-2
Molecular Formula: C23H32N6O5S
Molecular Weight: 504.6
CAT No:
ALL-VAR-6
Keywords: Vardenafil Hydroxyethyl Impurity, 1-[[3-...
Inventory Status:3-4 Weeks
Vardenafil Hydroxyethyl Thione Impurity / Hydroxythiovardenafil
Chemical Name: 2-[2-Ethoxy-5-[[4-(2-hydroxyethyl)-1-pip...
CAS No:
912576-30-8
Molecular Formula: C23H32N6O4S2
Molecular Weight: 520.67
CAT No:
ALL-VAR-7
Keywords: Vardenafil Hydroxyethyl Thione Impurity ...
Inventory Status:3-4 Weeks
Vardenafil N-Desethyl Impurity
Chemical Name: 1-[[3-(1,4-Dihydro-5-methyl-4-oxo-7-prop...
CAS No:
448184-46-1
Molecular Formula: C21H28N6O4S
Molecular Weight: 460.55
CAT No:
ALL-VAR-8
Keywords: Vardenafil N-Desethyl Impurity, 1-[[3-(1...
Inventory Status:3-4 Weeks