C28H38N6O11S
666.7 g/mol
APIWarning
Sildenafil citrate
CAS171599-83-0
Category
API
Compound Class
Other
Primary Use
Pharmaceutical Raw Material
Sildenafil citrate is a pharmaceutical raw material used in the manufacturing of medications for erectile dysfunction and pulmonary arterial hypertension. It is also investigated off-label for certain symptoms in secondary Raynaud's phenomenon.
pharmaceutical manufacturingerectile dysfunction treatmentpulmonary arterial hypertension treatment
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 Sildenafil citrate?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Related Compounds
StrongSame Parent
Sildenafil
CAS139755-83-2
pharmaceutical raw material
StrongStructure SimilarSimilarity 0.86
Desmethylsildenafil
CAS139755-82-1
pharmaceutical raw material
SimilarStructure SimilarSimilarity 0.84
Sildenafil N-oxide
CAS1094598-75-0
pharmaceutical intermediate
SimilarStructure SimilarSimilarity 0.82
Isobutyl sildenafil
CAS1391053-95-4
pharmaceutical raw material
ReferenceSame Category
Sodium phenylbutyrate
CAS1716-12-7
pharmaceutical raw material
ReferenceSame Category
S-Adenosyl-DL-methionine
CAS17176-17-9
pharmaceutical raw material
ReferenceSame Category
(1alpha)-17-(Acetyloxy)-6-chloro-1-(chloromethyl)pregna-4,6-diene-3,20-dione
CAS17183-98-1
pharmaceutical raw material
ReferenceSame Category
(S)-mandelic acid
CAS17199-29-0
pharmaceutical raw material
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H320Causes eye irritation
H335May cause respiratory irritation
H412Harmful to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Sildenafil citrate (CAS 171599-83-0) is 2935.90.
HS code (international, 6-digit)
2935.90
EU CN code (8-digit)
2935 90 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
5-[2-ethoxy-5-(4-methylpiperazin-1-yl)sulfonylphenyl]-1-methyl-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-7-one;2-hydroxypropane-1,2,3-tricarboxylic acid
InChIKey
DEIYFTQMQPDXOT-UHFFFAOYSA-N
SMILES
CCCC1=NN(C2=C1N=C(NC2=O)C3=C(C=CC(=C3)S(=O)(=O)N4CCN(CC4)C)OCC)C.C(C(=O)O)C(CC(=O)O)(C(=O)O)O
Synonyms (48)
- LIQREV
- VIAGRA
- Sildenafil citrate (JAN/USP)
- Sildenafil citrate salt, European Pharmacopoeia (EP)
- Sildenafil citrate, European Pharmacopoeia (EP)
- Sildenafil citrate, United States Pharmacopeia (USP)
- Caverta
- Citrate, Sildenafil
- Duromist
- Lactate, Sildenafil
- Nitrate, Sildenafil
- Penegra
- Revatio
- Revatio (TN)
- SILDENAFIL CITRATE [MART.]
- Sildenafil (as citrate)
- Sildenafil Powder,
- Sildenafil citrate
- Sildenafil citrate CRS
- Sildenafil citrate salt
- Sildenafil, Desmethyl
- UK-92,480-10
- Viagra (TN)
- Viagra, Sildenafil citrate
- Wan Ai Ke
- X-Excite
Sourcing Sildenafil citrate?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.