Repaglinide EP Impurity B

About Repaglinide EP Impurity B

Repaglinide EP Impurity B is a pharmacopeial impurity of Repaglinide carrying the CAS registry number 99469-99-5. Its molecular formula is C13H16O5 and its molecular weight is 252.26 g/mol. The IUPAC name is 2-(3-ethoxy-4-ethoxycarbonylphenyl)acetic acid. Alternative names: Repaglinide - Impurity B and 3-Ethoxy-4-ethoxycarbonylphenylacetic acid.

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 “Danger” with 1 hazard statement. Review the Safety Data Sheet before use.

This Repaglinide impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Repaglinide 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 Repaglinide

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

Repaglinide impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Repaglinide EP Impurity B
Catalogue No.	VQ-027776
CAS Number	99469-99-5
IUPAC name	2-(3-ethoxy-4-ethoxycarbonylphenyl)acetic acid
Molecular formula	C₁₃H₁₆O₅
Molecular weight	252.26 g/mol
Exact mass	252.0998
Grade	Reference Standard
HSN code	38229090
InChIKey	OTGSESBEJUHCES-UHFFFAOYSA-N
SMILES	CCOC1=C(C=CC(=C1)CC(=O)O)C(=O)OCC
PubChem CID	10131212

Physical properties
Physical form	Solid
LogP (XLogP3)	1.9
H-bond donors / acceptors	1 / 5
TPSA	72.8 Å²
Synonyms	Repaglinide - Impurity B, 3-Ethoxy-4-ethoxycarbonylphenylacetic acid, Ethyl 4-carboxymethyl-2-ethoxybenzoate, Benzeneacetic acid, 3-ethoxy-4-(ethoxycarbonyl)-, [3-ethoxy-4-(ethoxycarbonyl)phenyl]acetic acid, (3-Ethoxy-4-(ethoxycarbonyl)phenyl)acetic acid, Repaglinide specified impurity B, 3-etoxy-4-(etoxycarbonyl)phenylacetic acid, 2-(3-Ethoxy-4-(ethoxycarbonyl)phenyl)acetic acid, 3-Ethoxy-4-ethoxycarbonyl phenylacetic acid

Safety & hazard information (GHS)

Corrosive

Signal word: Danger

Hazard statements

H318Causes serious eye damage

Precautionary statements: P264 + P265, P280, P305 + P354 + P338, P317

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 Repaglinide EP Impurity B?

The CAS Registry Number of Repaglinide EP Impurity B is 99469-99-5. It is also known as Repaglinide - Impurity B, 3-Ethoxy-4-ethoxycarbonylphenylacetic acid, Ethyl 4-carboxymethyl-2-ethoxybenzoate.

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

Repaglinide EP Impurity B has the molecular formula C13H16O5 and a molecular weight of 252.26 g/mol. Its IUPAC name is 2-(3-ethoxy-4-ethoxycarbonylphenyl)acetic acid.

What is Repaglinide EP Impurity B used for?

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

We supply Repaglinide 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 Repaglinide EP Impurity B?

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

Yes. Repaglinide 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.