Sildenafil

Name: Sildenafil
Brand: Vaqora Chemicals
SKU: VQ-007753

About Sildenafil

Listed under CAS 139755-83-2, Sildenafil is a high-purity reference standard of Sildenafil available from Vaqora Chemicals. Formula C22H30N6O4S, molecular weight 474.6 g/mol. Its systematic (IUPAC) name is 5-[2-ethoxy-5-(4-methylpiperazin-1-yl)sulfonylphenyl]-1-methyl-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-7-one. It is also known as Patrex or Revatio.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

As a reference sample of Sildenafil, it is used for identification, assay and impurity-profiling work during analytical method development, validation (AMV) and routine QC. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Sildenafil

View every impurity, metabolite and intermediate we list for Sildenafil.

Sildenafil impurities

Specifications & identifiers

Chemical identifiers
Product name	Sildenafil
Catalogue No.	VQ-007753
CAS Number	139755-83-2
IUPAC name	5-[2-ethoxy-5-(4-methylpiperazin-1-yl)sulfonylphenyl]-1-methyl-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-7-one
Molecular formula	C₂₂H₃₀N₆O₄S
Molecular weight	474.6 g/mol
Exact mass	474.2049
Grade	Reference Standard
HSN code	38229090
InChIKey	BNRNXUUZRGQAQC-UHFFFAOYSA-N
SMILES	CCCC1=NN(C2=C1N=C(NC2=O)C3=C(C=CC(=C3)S(=O)(=O)N4CCN(CC4)C)OCC)C
PubChem CID	135398744

Physical properties
Physical form	Solid
LogP (XLogP3)	1.5
H-bond donors / acceptors	1 / 8
TPSA	118 Å²
Synonyms	Patrex, Revatio, Vizarsin, Sildenafil teva, Sildenafil actavis, Sildenafil ratiopharm, HIP-0908, Sildenafil (INN), Aphrodil (TN), 1udt, 1xos, Cambridge id 7030299

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H319Causes serious eye irritation
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P264, P264 + P265, P270, P273, P280, P301 + P317, P305 + P351 + P338, P330, P337 + P317, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Sildenafil?

The CAS Registry Number of Sildenafil is 139755-83-2. It is also known as Patrex, Revatio, Vizarsin.

What is the molecular formula and molecular weight of Sildenafil?

Sildenafil has the molecular formula C22H30N6O4S and a molecular weight of 474.6 g/mol. Its IUPAC name is 5-[2-ethoxy-5-(4-methylpiperazin-1-yl)sulfonylphenyl]-1-methyl-3-propyl-6H-pyrazolo[4,5-d]pyrimidin-7-one.

What is Sildenafil used for?

Sildenafil is supplied as a characterised reference material related to Sildenafil. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Sildenafil can I order?

We supply Sildenafil in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Sildenafil?

Yes. Every lot of Sildenafil is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Sildenafil be shipped internationally?

Yes. Sildenafil is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.