Cefalotin EP Impurity B

Name: Cefalotin EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-024835

About Cefalotin EP Impurity B

Listed under CAS 5935-65-9, Cefalotin EP Impurity B is a pharmacopeial impurity of Cefalotin available from Vaqora Chemicals. Its molecular formula is C14H14N2O5S2 and its molecular weight is 354.4 g/mol. It is also known as Cefalotin EP Impurity B acid or Cephalothin Sodium - Impurity B.

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.

Pharmaceutical QC and development laboratories use this impurity standard of Cefalotin to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Cefalotin EP Impurity B 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 Cefalotin

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

Cefalotin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Cefalotin EP Impurity B
Catalogue No.	VQ-024835
CAS Number	5935-65-9
IUPAC name	(6R,7R)-3-(hydroxymethyl)-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Molecular formula	C₁₄H₁₄N₂O₅S₂
Molecular weight	354.4 g/mol
Exact mass	354.0344
Grade	Reference Standard
HSN code	38229090
InChIKey	HTBAVMIGXROYPQ-ZWNOBZJWSA-N
SMILES	C1C(=C(N2[C@H](S1)[C@@H](C2=O)NC(=O)CC3=CC=CS3)C(=O)O)CO
PubChem CID	93015

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.3
H-bond donors / acceptors	3 / 7
TPSA	160 Å²
Synonyms	Cefalotin EP Impurity B acid, Cephalothin Sodium - Impurity B, Desacetylcephalothin, deacetylcephalothin, Cefalonium Impurity B, 3-Hydroxymethyl-7-(2-thienylacetamide)-3-cephem-4-carboxylic acid, (6R,7R)-3-hydroxymethyl-7-(2-thienylacetamido)ceph-3-em-4-carboxylic acid, 3-Hydroxymethyl-7beta-(2'-thienylacetamido)ceph-3-em-4-carboxylic acid, 7beta-[2-(2-thienyl)acetamido]-3-hydroxymethyl-3-cephem-4-carboxylic acid, (6R,7R)-3-Hydroxymethyl-7-(thien-2-ylacetamido)ceph-3-em-4-carboxylic 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 Cefalotin EP Impurity B?

The CAS Registry Number of Cefalotin EP Impurity B is 5935-65-9. It is also known as Cefalotin EP Impurity B acid, Cephalothin Sodium - Impurity B, Desacetylcephalothin.

What is the molecular formula and molecular weight of Cefalotin EP Impurity B?

Cefalotin EP Impurity B has the molecular formula C14H14N2O5S2 and a molecular weight of 354.4 g/mol. Its IUPAC name is (6R,7R)-3-(hydroxymethyl)-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid.

What is Cefalotin EP Impurity B used for?

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

We supply Cefalotin EP Impurity B 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 Cefalotin EP Impurity B?

Yes. Every lot of Cefalotin EP Impurity B 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 Cefalotin EP Impurity B be shipped internationally?

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