Oxybutynin EP Impurity B

Name: Oxybutynin EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-027336

About Oxybutynin EP Impurity B

Vaqora Chemicals supplies Oxybutynin EP Impurity B, a pharmacopeial impurity of Oxybutynin registered under CAS number 14943-53-4. The compound has the formula C22H25NO3, corresponding to a molecular weight of 351.4 g/mol. Systematically, it is named 4-(diethylamino)but-2-ynyl 2-hydroxy-2,2-diphenylacetate. Alternative names: Oxybutynin Hydrochloride - Impurity B and Oxybutynin Impurity B.

It is supplied 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.

This Oxybutynin impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in 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

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

Industries

Related to Oxybutynin

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

Oxybutynin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Oxybutynin EP Impurity B
Catalogue No.	VQ-027336
CAS Number	14943-53-4
IUPAC name	4-(diethylamino)but-2-ynyl 2-hydroxy-2,2-diphenylacetate
Molecular formula	C₂₂H₂₅NO₃
Molecular weight	351.4 g/mol
Exact mass	351.1834
Grade	Reference Standard
HSN code	38229090
InChIKey	YGGLNZUXAWIXQH-UHFFFAOYSA-N
SMILES	CCN(CC)CC#CCOC(=O)C(C1=CC=CC=C1)(C2=CC=CC=C2)O
PubChem CID	4918064

Physical properties
Physical form	Solid
LogP (XLogP3)	3.5
H-bond donors / acceptors	1 / 4
TPSA	49.8 Å²
Synonyms	Oxybutynin Hydrochloride - Impurity B, Oxybutynin Impurity B, alpha-Descyclohexyl-alpha-phenyl Oxybutynin, Benzeneacetic acid, alpha-hydroxy-alpha-phenyl-, 4-(diethylamino)-2-butyn-1-yl ester, Oxybutynin hydrochloride impurity B, A-Descyclohexyl-, A-phenyl Oxybutynin, 4-(diethylamino)but-2-yn-1-yl hydroxy(diphenyl)acetate, 4-(Diethylamino)but-2-yn-1-yl hydroxydi(phenyl)acetate

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, 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 Oxybutynin EP Impurity B?

The CAS Registry Number of Oxybutynin EP Impurity B is 14943-53-4. It is also known as Oxybutynin Hydrochloride - Impurity B, Oxybutynin Impurity B, alpha-Descyclohexyl-alpha-phenyl Oxybutynin.

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

Oxybutynin EP Impurity B has the molecular formula C22H25NO3 and a molecular weight of 351.4 g/mol. Its IUPAC name is 4-(diethylamino)but-2-ynyl 2-hydroxy-2,2-diphenylacetate.

What is Oxybutynin EP Impurity B used for?

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

We supply Oxybutynin 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 Oxybutynin EP Impurity B?

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

Yes. Oxybutynin 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.