C20H26N6O4S
446.5 g/mol
APIWarning
O-Desethyl sildenafil
CAS139755-91-2
Category
API
Compound Class
Heterocycle
Primary Use
Pharmaceutical Raw Material
o-Desethyl sildenafil is a chemical compound used as an impurity reference standard in pharmaceutical manufacturing. It is structurally related to sildenafil and is employed for quality control and analytical testing purposes.
impurity reference standard for pharmaceutical analysisquality control material in API manufacturing
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Sourcing or supplying this compound?
List your inventory or post a purchase request
CAS 139755-91-2
Related Compounds
ApplicationSame Use
Olanzapine Lactam Impurity
CAS1017241-34-7
pharmaceutical raw material
ApplicationSame Use
Anastrozole Dimer Impurity
CAS1216898-82-6
pharmaceutical raw material
ReferenceSame Category
4-(2-ethoxybenzamido)-1-methyl-3-propylpyrazole-5-carboxamide
CAS139756-03-9
pharmaceutical raw material
ReferenceSame Category
Uk-088800
CAS139756-21-1
pharmaceutical raw material
ReferenceSame Category
5-(5-chlorosulfonyl-2-ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo(4,3-D)pyrimidin-7-one
CAS139756-22-2
pharmaceutical raw material
ReferenceSame Category
Shr-1258 dimaleate
CAS1397922-61-0
pharmaceutical raw material
Referencesame scaffold
Sildenafil citrate
CAS171599-83-0
pharmaceutical raw material
Referencesame scaffold
Sildenafil
CAS139755-83-2
pharmaceutical raw material
Safety Reference
Warning
H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H335May cause respiratory irritation
H336May cause drowsiness or dizziness
H362May cause harm to breast-fed children
H412Harmful to aquatic life with long lasting effects
Identifiers
IUPAC Name
5-[2-hydroxy-5-(4-methylpiperazin-1-yl)sulfonylphenyl]-1-methyl-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-7-one
InChIKey
LTNJUPYNXDNXBO-UHFFFAOYSA-N
SMILES
CCCC1=NN(C2=C1N=C(NC2=O)C3=C(C=CC(=C3)S(=O)(=O)N4CCN(CC4)C)O)C
Synonyms (14)
- SILDENAFIL CITRATE IMPURITY C (EP IMPURITY)
- Sildenafil Citrate Imp. C (EP); Sildenafil Imp. C (EP); 5-[2-Hydroxy-5-[(4-methylpiperazin-1-yl)sulfonyl]phenyl]-1-methyl-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-7-one; Desethylsildenafil; Sildenafil Citrate Impurity C; Sildenafil Impurity C
- Sildenafil EP Impurity C
- Desethyl Sildenafil
- Sildenafil Impurity C
- Sildenafil citrate impurity C
- o-Desethyl sildenafil