Cefaclor EP Impurity G

Name: Cefaclor EP Impurity G
Brand: Vaqora Chemicals
SKU: VQ-021084

About Cefaclor EP Impurity G

Cefaclor EP Impurity G is a pharmacopeial impurity of Cefaclor carrying the CAS registry number 67308-21-8. With the molecular formula C16H17N3O4S, it has a molar mass of 347.4 g/mol. It is also known as Cefalexin EP Impurity G, Isocefalexine or Cefaclor - Impurity G.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Good laboratory practice and suitable PPE are recommended during handling.

This Cefaclor impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from 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 Cefaclor

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

Cefaclor impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Cefaclor EP Impurity G
Catalogue No.	VQ-021084
CAS Number	67308-21-8
IUPAC name	(6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-methylidene-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylic acid
Molecular formula	C₁₆H₁₇N₃O₄S
Molecular weight	347.4 g/mol
Exact mass	347.094
Grade	Reference Standard
HSN code	38229090
InChIKey	LROYCRSHQNGOQU-XOGJBXBPSA-N
SMILES	C=C1CS[C@@H]2[C@@H](C(=O)N2C1C(=O)O)NC(=O)[C@@H](C3=CC=CC=C3)N
PubChem CID	129627287

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.5
H-bond donors / acceptors	3 / 6
TPSA	138 Å²

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 Cefaclor EP Impurity G?

The CAS Registry Number of Cefaclor EP Impurity G is 67308-21-8. It is also known as Cefalexin EP Impurity G, Isocefalexine, Cefaclor - Impurity G, Isocefalexin.

What is the molecular formula and molecular weight of Cefaclor EP Impurity G?

Cefaclor EP Impurity G has the molecular formula C16H17N3O4S and a molecular weight of 347.4 g/mol. Its IUPAC name is (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-methylidene-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylic acid.

What is Cefaclor EP Impurity G used for?

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

We supply Cefaclor EP Impurity G 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 Cefaclor EP Impurity G?

Yes. Every lot of Cefaclor EP Impurity G 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 Cefaclor EP Impurity G be shipped internationally?

Yes. We export Cefaclor EP Impurity G worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.