Sildenafil Impurity 34
ImpurityLevels of characterisation
- Cat. No.
- P-S041-117
- Formula
- C8H15N5O
- Family
- Sildenafil
- Synonyms
- 4-Amino-1-methyl-3-propylpyrazole-5-carbohydrazide
Pharmaceutical analytical standards
Active ingredients, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.
Results 671-680 of 36,550
Sildenafil Impurity 35
ImpurityLevels of characterisation
- Cat. No.
- P-S041-118
- Formula
- C16H26N8O2
- Family
- Sildenafil
- Synonyms
- 4-[2-(5-Carbamoyl-1-methyl-3-propylpyrazol-4-yl)hydrazinyl]-1-methyl-3-propylpyrazole-5-carboxamide
Sildenafil Impurity 36
ImpurityLevels of characterisation
- Cat. No.
- P-S041-119
- Formula
- C24H26N4O5
- Family
- Sildenafil
- Synonyms
- N-(2-Ethoxybenzoyl)-4-[(2-hydroxybenzoyl)amino]-1-methyl-3-propylpyrazole-5-carboxamide
Sildenafil Impurity 37
ImpurityLevels of characterisation
- Cat. No.
- P-S041-120
- Formula
- C19H26N4O3
- Family
- Sildenafil
- Synonyms
- 4-[(2-Ethoxybenzoyl)amino]-N-ethyl-1-methyl-3-propylpyrazole-5-carboxamide
Sildenafil Impurity 38
ImpurityLevels of characterisation
- Cat. No.
- P-S041-121
- Formula
- C15H15ClN4O2
- Family
- Sildenafil
- Synonyms
- 5-(5-Chloro-2-hydroxyphenyl)-1-methyl-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-7-one
Sildenafil Impurity 39
ImpurityLevels of characterisation
- Cat. No.
- P-S041-122
- Formula
- C15H14Cl2N4O2
- Family
- Sildenafil
- Synonyms
- 5-(3,5-Dichloro-2-hydroxyphenyl)-1-methyl-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-7-one
Sildenafil Impurity 40
ImpurityLevels of characterisation
- Cat. No.
- P-S041-123
- Formula
- C17H18Cl2N4O2
- Family
- Sildenafil
- Synonyms
- 5-(3,5-Dichloro-2-ethoxyphenyl)-1-methyl-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-7-one
Sildenafil Impurity 41
ImpurityLevels of characterisation
- Cat. No.
- P-S041-124
- Formula
- C17H19ClN4O2
- Family
- Sildenafil
- Synonyms
- 5-(5-Chloro-2-ethoxyphenyl)-1-methyl-3-propyl-4H-pyrazolo[4,5-d]pyrimidin-7-one
Sildenafil Impurity 42
ImpurityLevels of characterisation
- Cat. No.
- P-S041-125
- Formula
- C17H20N4O3
- Family
- Sildenafil
- Synonyms
- 5-(2-Ethoxy-3-hydroxyphenyl)-1-methyl-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-7-one
Sildenafil Impurity 43
ImpurityLevels of characterisation
- Cat. No.
- P-S041-126
- Formula
- C24H34N6O5S
- Family
- Sildenafil
- Synonyms
- 5-[2,3-Diethoxy-5-(4-methylpiperazin-1-yl)sulfonylphenyl]-1-methyl-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-7-one
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