Sildenafil Citrate

Name: Sildenafil Citrate
Brand: Vaqora Chemicals
SKU: VQ-004145

About Sildenafil Citrate

Vaqora Chemicals supplies Sildenafil Citrate in IP/BP/USP grade, a metabolic / hormonal API registered under CAS number 171599-83-0, specified at 99.6% purity. Its molecular formula is C28H38N6O11S and its molecular weight is 666.7 g/mol. Common synonyms include Sildenafil (as citrate) and Sildenafil Powder,.

In its supplied form it is a white or almost white crystalline powder ( Results: white crystalline powder). Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

This API belongs to our antidiabetic, hormone and metabolic APIs portfolio and is supplied to IP/BP/USP specifications for formulators, contract manufacturers and generic drug developers. Typical end-use sectors are pharmaceutical manufacturing.

We offer Sildenafil Citrate in 1 kg, 5 kg and 25 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Pharmaceutical formulation
Generic drug development

Industries

Related to Sildenafil

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

Sildenafil impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Sildenafil Citrate
Catalogue No.	VQ-004145
CAS Number	171599-83-0
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
Molecular formula	C₂₈H₃₈N₆O₁₁S
Molecular weight	666.7 g/mol
Exact mass	666.2319
Grade	IP/BP/USP
Purity / assay	99.6%
HSN code	2933
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
PubChem CID	135413523

Physical properties
Physical form	Powder
Appearance	White or almost white crystalline powder ( Results: white crystalline powder)
H-bond donors / acceptors	5 / 15
TPSA	250 Å²
Synonyms	Sildenafil (as citrate), Sildenafil Powder,, Citrate, Sildenafil, Lactate, Sildenafil, Nitrate, Sildenafil, Sildenafil, Desmethyl, Sildenafil for Oral Suspension, NCX 911, Sildenafil (citrate), Sildenafil citrate salt, sildenafilcitrate, X-Excite

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

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

Precautionary statements: P261, P264, P264 + P265, P270, P271, P273, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, 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

Other grades of CAS 171599-83-0

Reference Standard

Sildenafil Citrate

CAS: 171599-83-0
Formula: C₂₈H₃₈N₆O₁₁S
MW: 666.7 g/mol

In stock

Frequently asked questions

What is the CAS number of Sildenafil Citrate?

The CAS Registry Number of Sildenafil Citrate is 171599-83-0. It is also known as Sildenafil (as citrate), Sildenafil Powder,, Citrate, Sildenafil.

What is the molecular formula and molecular weight of Sildenafil Citrate?

Sildenafil Citrate has the molecular formula C28H38N6O11S and a molecular weight of 666.7 g/mol.

What is Sildenafil Citrate used for?

Sildenafil Citrate 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 Citrate can I order?

We supply Sildenafil Citrate in IP/BP/USP (99.6%) grade, in 1 kg, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Sildenafil Citrate?

Yes. Every lot of Sildenafil Citrate 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 Citrate be shipped internationally?

Yes. Sildenafil Citrate 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.