Cefazolin EP Impurity D

About Cefazolin EP Impurity D

Cefazolin EP Impurity D is a pharmacopeial impurity of Cefazolin carrying the CAS registry number 32510-61-5. Formula C13H14N6O6S, molecular weight 382.35 g/mol. Alternative names: Cefazolin Sodium - Impurity D and Cefazolin 3-Acetyloxy.

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 Cefazolin 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.

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 Cefazolin

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

Cefazolin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Cefazolin EP Impurity D
Catalogue No.	VQ-029683
CAS Number	32510-61-5
IUPAC name	(6R,7R)-3-(acetyloxymethyl)-8-oxo-7-[[2-(tetrazol-1-yl)acetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Molecular formula	C₁₃H₁₄N₆O₆S
Molecular weight	382.35 g/mol
Exact mass	382.0696
Grade	Reference Standard
HSN code	38229090
InChIKey	PIXMOMPJMIAMLJ-BXKDBHETSA-N
SMILES	CC(=O)OCC1=C(N2[C@@H]([C@@H](C2=O)NC(=O)CN3C=NN=N3)SC1)C(=O)O
PubChem CID	11740601

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.8
H-bond donors / acceptors	2 / 10
TPSA	182 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 Cefazolin EP Impurity D?

The CAS Registry Number of Cefazolin EP Impurity D is 32510-61-5. It is also known as Cefazolin Sodium - Impurity D, Cefazolin 3-Acetyloxy, Cefazolin Impurity D.

What is the molecular formula and molecular weight of Cefazolin EP Impurity D?

Cefazolin EP Impurity D has the molecular formula C13H14N6O6S and a molecular weight of 382.35 g/mol. Its IUPAC name is (6R,7R)-3-(acetyloxymethyl)-8-oxo-7-[[2-(tetrazol-1-yl)acetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid.

What is Cefazolin EP Impurity D used for?

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

We supply Cefazolin EP Impurity D 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 Cefazolin EP Impurity D?

Yes. Every lot of Cefazolin EP Impurity D 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 Cefazolin EP Impurity D be shipped internationally?

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