Cefazolin EP Impurity C

About Cefazolin EP Impurity C

Cefazolin EP Impurity C is a pharmacopeial impurity of Cefazolin carrying the CAS registry number 56842-77-4. Its molecular formula is C11H12N6O4S and its molecular weight is 324.32 g/mol. It is also known as Cefazolin Sodium - Impurity C or Cefazolin Impurity C.

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. Handle it with standard laboratory precautions and appropriate personal protective equipment.

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

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Cefazolin EP Impurity C 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 Cefazolin

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

Cefazolin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Cefazolin EP Impurity C
Catalogue No.	VQ-021087
CAS Number	56842-77-4
IUPAC name	(6R,7R)-3-methyl-8-oxo-7-[[2-(tetrazol-1-yl)acetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Molecular formula	C₁₁H₁₂N₆O₄S
Molecular weight	324.32 g/mol
Exact mass	324.0641
Grade	Reference Standard
HSN code	38229090
InChIKey	DGYURGWZOSQCFG-GMSGAONNSA-N
SMILES	CC1=C(N2[C@@H]([C@@H](C2=O)NC(=O)CN3C=NN=N3)SC1)C(=O)O
PubChem CID	129010479

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.1
H-bond donors / acceptors	2 / 8
TPSA	156 Å²
Synonyms	Cefazolin Sodium - Impurity C, Cefazolin Impurity C, Cefazolin impurity H, 7-[1-(1H)-Tetrazolylacetamido]desacetoxycephalosporanic Acid, 7-(1-(1H)-Tetrazolylacetamido)deacetoxycephalosporanic acid, 7-(1-(1H)-Tetrazolylacetamido)desacetoxycephalosporanic acid

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 C?

The CAS Registry Number of Cefazolin EP Impurity C is 56842-77-4. It is also known as Cefazolin Sodium - Impurity C, Cefazolin Impurity C, Cefazolin impurity H.

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

Cefazolin EP Impurity C has the molecular formula C11H12N6O4S and a molecular weight of 324.32 g/mol. Its IUPAC name is (6R,7R)-3-methyl-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 C used for?

Cefazolin EP Impurity C 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 C can I order?

We supply Cefazolin EP Impurity C 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 C?

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

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