Flavoxate Hydrochloride EP Impurity B

Name: Flavoxate Hydrochloride EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-025800

About Flavoxate Hydrochloride EP Impurity B

Listed under CAS 35888-94-9, Flavoxate Hydrochloride EP Impurity B is a pharmacopeial impurity of Flavoxate available from Vaqora Chemicals. Its molecular formula is C19H16O4 and its molecular weight is 308.3 g/mol. The IUPAC name is ethyl 3-methyl-4-oxo-2-phenylchromene-8-carboxylate. Alternative names: Flavoxate Hydrochloride - Impurity B and Flavoxate EP 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. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

As a characterised impurity of Flavoxate, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Flavoxate Hydrochloride EP Impurity B in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Flavoxate

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

Flavoxate impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Flavoxate Hydrochloride EP Impurity B
Catalogue No.	VQ-025800
CAS Number	35888-94-9
IUPAC name	ethyl 3-methyl-4-oxo-2-phenylchromene-8-carboxylate
Molecular formula	C₁₉H₁₆O₄
Molecular weight	308.3 g/mol
Exact mass	308.1049
Grade	Reference Standard
HSN code	38229090
InChIKey	NFRGNMIIGIZYDL-UHFFFAOYSA-N
SMILES	CCOC(=O)C1=CC=CC2=C1OC(=C(C2=O)C)C3=CC=CC=C3
PubChem CID	19972541

Physical properties
Physical form	Solid
LogP (XLogP3)	4.1
H-bond donors / acceptors	0 / 4
TPSA	52.6 Å²
Synonyms	Flavoxate Hydrochloride - Impurity B, Flavoxate EP Impurity B, Flavoxate Related Compound C, Ethyl 3-methylflavone-8-carboxylate, Ethyl 3-methyl-4-oxo-2-phenyl-4H-1-benzopyran-8-carboxylate, 4H-1-Benzopyran-8-carboxylic acid, 3-methyl-4-oxo-2-phenyl-, ethyl ester, Flavoxate hydrochloride impurity B, Flavoxate hydrochloride specified impurity B, O-Desethylpiperidine Flavoxate Ethyl Ester, Ethyl 3-methyl-4-oxo-2-phenyl-4H-chromene-8-carboxylate, 3-methylflavone-8-carboxylic acid ethyl ester, ethyl 3-methyl-4-oxo-2-phenyl-4H-1- benzopyran-8-carboxylate

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 Flavoxate Hydrochloride EP Impurity B?

The CAS Registry Number of Flavoxate Hydrochloride EP Impurity B is 35888-94-9. It is also known as Flavoxate Hydrochloride - Impurity B, Flavoxate EP Impurity B, Flavoxate Related Compound C.

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

Flavoxate Hydrochloride EP Impurity B has the molecular formula C19H16O4 and a molecular weight of 308.3 g/mol. Its IUPAC name is ethyl 3-methyl-4-oxo-2-phenylchromene-8-carboxylate.

What is Flavoxate Hydrochloride EP Impurity B used for?

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

We supply Flavoxate Hydrochloride 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 Flavoxate Hydrochloride EP Impurity B?

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

Yes. Flavoxate Hydrochloride 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.