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Pharmacopeial Impurities (EP / USP / BP)

Vardenafil EP Impurity B

Reference StandardAvailable on request

Buy Vardenafil EP Impurity B (CAS 437717-43-6) from Zemixal. Request a quote with price, lead time and documents. Packs from 10 mg.

Pack sizes
Vardenafil EP Impurity B chemical structure
CAS number437717-43-6
FormulaC17H20N4O5S
Molar mass392.4 g/mol
Physical formSolid
HS code38229090
InChIKeyXTMCEBZOWCIYQF-UHFFFAOYSA-N
IUPAC name4-ethoxy-3-(5-methyl-4-oxo-7-propyl-3H-imidazo[5,1-f][1,2,4]triazin-2-yl)benzenesulfonic acid

About Vardenafil EP Impurity B

Vardenafil EP Impurity B belongs to the Vardenafil reference-standard family in the Zemixal catalogue. For your records (Reference Standard), the material is defined by CAS 437717-43-6, formula C17H20N4O5S and molar mass 392.4 g/mol. It is handled as a solid.

Typical applications

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Handling and storage

Hazard communication follows GHS (Warning: H317). Our SDS lists exposure controls and first-aid measures.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. You receive a certificate of analysis with characterisation data with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Vardenafil

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

Vardenafil standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Grade guides

Specifications and identifiers

Specifications of Vardenafil EP Impurity B
Product nameVardenafil EP Impurity B
Catalogue numberZX-027520
CAS number437717-43-6
IUPAC name4-ethoxy-3-(5-methyl-4-oxo-7-propyl-3H-imidazo[5,1-f][1,2,4]triazin-2-yl)benzenesulfonic acid
Molecular formulaC17H20N4O5S
Molar mass392.4 g/mol
Exact mass392.1154
GradeReference Standard
Physical formSolid
XLogP31.9
H-bond donors / acceptors2 / 7
Topological polar surface area131 Ų
HS code38229090
InChIKeyXTMCEBZOWCIYQF-UHFFFAOYSA-N
SMILESCCCC1=NC(=C2N1N=C(NC2=O)C3=C(C=CC(=C3)S(=O)(=O)O)OCC)C
PubChem CID135483690
SynonymsVardenafil - Impurity B

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

  • H317May cause an allergic skin reaction

Precautionary statements P261, P272, P280, P302 + P352, P321, P333 + P317, P362 + P364, 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 Vardenafil EP Impurity B
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

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

Questions about Vardenafil EP Impurity B

Which CAS number identifies Vardenafil EP Impurity B?
Vardenafil EP Impurity B is registered under CAS 437717-43-6. You may also see it listed as Vardenafil - Impurity B. Our catalogue number for this item is ZX-027520.
What are the formula and molar mass of Vardenafil EP Impurity B?
For Vardenafil EP Impurity B, its formula is C17H20N4O5S and its molar mass is 392.4 g/mol. The systematic (IUPAC) name is 4-ethoxy-3-(5-methyl-4-oxo-7-propyl-3H-imidazo[5,1-f][1,2,4]triazin-2-yl)benzenesulfonic acid. InChIKey XTMCEBZOWCIYQF-UHFFFAOYSA-N lets you match it in any structure database.
How is Vardenafil EP Impurity B used in pharmaceutical QC?
Vardenafil EP Impurity B is a characterised reference material linked to Vardenafil. 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 Vardenafil EP Impurity B?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Vardenafil EP Impurity B?
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 Vardenafil EP Impurity B to my country?
Yes. Because Vardenafil EP Impurity B 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.

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