Vardenafil EP Impurity B

About Vardenafil EP Impurity B

Vardenafil EP Impurity B is a pharmacopeial impurity of Vardenafil carrying the CAS registry number 437717-43-6. Its molecular formula is C17H20N4O5S and its molecular weight is 392.4 g/mol. Systematically, it is named 4-ethoxy-3-(5-methyl-4-oxo-7-propyl-3H-imidazo[5,1-f][1,2,4]triazin-2-yl)benzenesulfonic acid. Alternative names: Vardenafil - Impurity B.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Warning” with 1 hazard statement. Review the Safety Data Sheet before use.

As a characterised impurity of Vardenafil, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Vardenafil EP Impurity B is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Vardenafil

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

Vardenafil impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Vardenafil EP Impurity B
Catalogue No.	VQ-028637
CAS Number	437717-43-6
IUPAC name	4-ethoxy-3-(5-methyl-4-oxo-7-propyl-3H-imidazo[5,1-f][1,2,4]triazin-2-yl)benzenesulfonic acid
Molecular formula	C₁₇H₂₀N₄O₅S
Molecular weight	392.4 g/mol
Exact mass	392.1154
Grade	Reference Standard
HSN code	38229090
InChIKey	XTMCEBZOWCIYQF-UHFFFAOYSA-N
SMILES	CCCC1=NC(=C2N1N=C(NC2=O)C3=C(C=CC(=C3)S(=O)(=O)O)OCC)C
PubChem CID	135483690

Physical properties
Physical form	Solid
LogP (XLogP3)	1.9
H-bond donors / acceptors	2 / 7
TPSA	131 Å²

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H317May cause an allergic skin reaction

Precautionary statements: P261, P272, P280, P302 + P352, P321, P333 + P317, P362 + P364, 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 Vardenafil EP Impurity B?

The CAS Registry Number of Vardenafil EP Impurity B is 437717-43-6. It is also known as Vardenafil - Impurity B.

What is the molecular formula and molecular weight of Vardenafil EP Impurity B?

Vardenafil EP Impurity B has the molecular formula C17H20N4O5S and a molecular weight of 392.4 g/mol. Its 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.

What is Vardenafil EP Impurity B used for?

Vardenafil EP Impurity B is supplied as a characterised reference material related to Vardenafil. 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 Vardenafil EP Impurity B can I order?

We supply Vardenafil EP Impurity B 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 Vardenafil EP Impurity B?

Yes. Every lot of Vardenafil EP Impurity B 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 Vardenafil EP Impurity B be shipped internationally?

Yes. Vardenafil EP Impurity B 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.