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Antidiabetic, Hormone & Metabolic APIs

Sildenafil Citrate

IP/BP/USPAvailable on request

Buy Sildenafil Citrate (CAS 171599-83-0) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-004145.

Pack sizes
Sildenafil Citrate chemical structure
CAS number171599-83-0
FormulaC28H38N6O11S
Molar mass666.7 g/mol
Physical formPowder
HS code2933
Purity99.6%
InChIKeyDEIYFTQMQPDXOT-UHFFFAOYSA-N
IUPAC name5-[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

About Sildenafil Citrate

Researchers and plant chemists source Sildenafil Citrate from Zemixal for routine and specialised work. Identity at a glance (IP/BP/USP): CAS 171599-83-0, formula C28H38N6O11S and molar mass 666.7 g/mol. Expect white or almost white crystalline powder ( Results: white crystalline powder).

Typical applications

  • Pharmaceutical formulation
  • Generic drug development

Safe handling

Classified under GHS with signal word Warning and hazard statements H302, H315, H319 and H320. Read the SDS before first use.

Standard pack sizes are 1 kg, 5 kg and 25 kg, and custom quantities are quoted on request. Each lot travels with a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Sildenafil

See every impurity, metabolite and related compound we list for this API.

Sildenafil standards

Typical uses

  • Pharmaceutical formulation
  • Generic drug development

Applications

Pharmaceutical Manufacturing and QC

Grade guides

IP Grade (Indian Pharmacopoeia)BP Grade (British Pharmacopoeia)USP Grade (United States Pharmacopeia)

Specifications and identifiers

Specifications of Sildenafil Citrate
Product nameSildenafil Citrate
Catalogue numberZX-004145
CAS number171599-83-0
IUPAC name5-[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 formulaC28H38N6O11S
Molar mass666.7 g/mol
Exact mass666.2319
GradeIP/BP/USP
Purity / assay99.6%
Physical formPowder
AppearanceWhite or almost white crystalline powder ( Results: white crystalline powder)
H-bond donors / acceptors5 / 15
Topological polar surface area250 Ų
HS code2933
InChIKeyDEIYFTQMQPDXOT-UHFFFAOYSA-N
SMILESCCCC1=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 CID135413523
SynonymsSildenafil (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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word 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

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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Sildenafil Citrate
1 kgQuoted on request
5 kgQuoted on request
25 kgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Sildenafil Citrate

Which CAS number identifies Sildenafil Citrate?
Sildenafil Citrate is registered under CAS 171599-83-0. You may also see it listed as Sildenafil (as citrate), Sildenafil Powder,, Citrate, Sildenafil. Our catalogue number for this item is ZX-004145.
What are the formula and molar mass of Sildenafil Citrate?
For Sildenafil Citrate, its formula is C28H38N6O11S and its molar mass is 666.7 g/mol. InChIKey DEIYFTQMQPDXOT-UHFFFAOYSA-N lets you match it in any structure database.
How is Sildenafil Citrate used in pharmaceutical QC?
Sildenafil Citrate is a characterised reference material linked to Sildenafil. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Sildenafil Citrate?
This listing is IP/BP/USP grade with 99.6% purity. Standard packs are 1 kg, 5 kg, 25 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Sildenafil Citrate?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Sildenafil Citrate to my country?
Yes. Because Sildenafil Citrate is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

Other grades with CAS 171599-83-0

More Sildenafil standards

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