Cefadroxil EP Impurity H

Name: Cefadroxil EP Impurity H
Brand: Vaqora Chemicals
SKU: VQ-021127

About Cefadroxil EP Impurity H

Listed under CAS 146794-70-9, Cefadroxil EP Impurity H is a pharmacopeial impurity of Cefalexin available from Vaqora Chemicals. With the molecular formula C13H18N2O4S, it has a molar mass of 298.36 g/mol. The IUPAC name is (6R,7R)-7-(2,2-dimethylpropanoylamino)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. It is also known as Cefalexin EP Impurity E or Cefradine EP Impurity G.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Pharmaceutical QC and development laboratories use this impurity standard of Cefalexin to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Cefadroxil EP Impurity H in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

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

Industries

Related to Cefalexin

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

Cefalexin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Cefadroxil EP Impurity H
Catalogue No.	VQ-021127
CAS Number	146794-70-9
IUPAC name	(6R,7R)-7-(2,2-dimethylpropanoylamino)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Molecular formula	C₁₃H₁₈N₂O₄S
Molecular weight	298.36 g/mol
Exact mass	298.0987
Grade	Reference Standard
HSN code	38229090
InChIKey	JLNXDMISSHNIAD-GMSGAONNSA-N
SMILES	CC1=C(N2[C@@H]([C@@H](C2=O)NC(=O)C(C)(C)C)SC1)C(=O)O
PubChem CID	14949331

Physical properties
Physical form	Solid
LogP (XLogP3)	0.8
H-bond donors / acceptors	2 / 5
TPSA	112 Å²
Synonyms	Cefalexin EP Impurity E, Cefradine EP Impurity G, Cephalexin - Impurity E, 7-ADCA Pivalamide, N-Pivaloyl 7-aminodesacetoxycephalosporanic acid, Cefadroxil Impurity 9

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 Cefadroxil EP Impurity H?

The CAS Registry Number of Cefadroxil EP Impurity H is 146794-70-9. It is also known as Cefalexin EP Impurity E, Cefradine EP Impurity G, Cephalexin - Impurity E.

What is the molecular formula and molecular weight of Cefadroxil EP Impurity H?

Cefadroxil EP Impurity H has the molecular formula C13H18N2O4S and a molecular weight of 298.36 g/mol. Its IUPAC name is (6R,7R)-7-(2,2-dimethylpropanoylamino)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid.

What is Cefadroxil EP Impurity H used for?

Cefadroxil EP Impurity H is supplied as a characterised reference material related to Cefalexin. 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 Cefadroxil EP Impurity H can I order?

We supply Cefadroxil EP Impurity H 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 Cefadroxil EP Impurity H?

Yes. Every lot of Cefadroxil EP Impurity H 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 Cefadroxil EP Impurity H be shipped internationally?

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