Cefazolin EP Impurity G

Name: Cefazolin EP Impurity G
Brand: Vaqora Chemicals
SKU: VQ-022066

About Cefazolin EP Impurity G

Cefazolin EP Impurity G (CAS 1172998-53-6) is a pharmacopeial impurity of Cefazolin offered by Vaqora Chemicals. The compound has the formula C11H10N6O4S, corresponding to a molecular weight of 322.3 g/mol. The IUPAC name is N-[(4R,5R)-3,11-dioxo-10-oxa-6-thia-2-azatricyclo[6.3.0.02,5]undec-1(8)-en-4-yl]-2-(tetrazol-1-yl)acetamide. It is also known as Cefazolin Sodium - Impurity G or Cefazolin lactone.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying 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.

We offer Cefazolin EP Impurity G in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers 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 G
Catalogue No.	VQ-022066
CAS Number	1172998-53-6
IUPAC name	N-[(4R,5R)-3,11-dioxo-10-oxa-6-thia-2-azatricyclo[6.3.0.02,5]undec-1(8)-en-4-yl]-2-(tetrazol-1-yl)acetamide
Molecular formula	C₁₁H₁₀N₆O₄S
Molecular weight	322.3 g/mol
Exact mass	322.0484
Grade	Reference Standard
HSN code	38229090
InChIKey	SVDYQARPBBHWKQ-GMSGAONNSA-N
SMILES	C1C2=C(C(=O)O1)N3[C@@H]([C@@H](C3=O)NC(=O)CN4C=NN=N4)SC2
PubChem CID	129010480

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.7
H-bond donors / acceptors	1 / 8
TPSA	145 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 G?

The CAS Registry Number of Cefazolin EP Impurity G is 1172998-53-6. It is also known as Cefazolin Sodium - Impurity G, Cefazolin lactone.

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

Cefazolin EP Impurity G has the molecular formula C11H10N6O4S and a molecular weight of 322.3 g/mol. Its IUPAC name is N-[(4R,5R)-3,11-dioxo-10-oxa-6-thia-2-azatricyclo[6.3.0.02,5]undec-1(8)-en-4-yl]-2-(tetrazol-1-yl)acetamide.

What is Cefazolin EP Impurity G used for?

Cefazolin EP Impurity G 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 G can I order?

We supply Cefazolin 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 Cefazolin EP Impurity G?

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

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