Cephalexin S-Sulfoxide

Name: Cephalexin S-Sulfoxide
Brand: Vaqora Chemicals
SKU: VQ-022134

About Cephalexin S-Sulfoxide

Listed under CAS 74708-55-7, Cephalexin S-Sulfoxide is a metabolite or degradation product of Cephalexin available from Vaqora Chemicals. With the molecular formula C16H17N3O5S, it has a molar mass of 363.4 g/mol. Alternative names: Cefalexin S-Sulfoxide.

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. Good laboratory practice and suitable PPE are recommended during handling.

Analytical teams use this compound to identify metabolites and degradants of Cephalexin, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Cephalexin S-Sulfoxide in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Cephalexin

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

Cephalexin impurities

Specifications & identifiers

Chemical identifiers
Product name	Cephalexin S-Sulfoxide
Catalogue No.	VQ-022134
CAS Number	74708-55-7
IUPAC name	(5S,6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-methyl-5,8-dioxo-5lambda4-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
Molecular formula	C₁₆H₁₇N₃O₅S
Molecular weight	363.4 g/mol
Exact mass	363.0889
Grade	Reference Standard
HSN code	38229090
InChIKey	GAMHLNJQISGSQF-BYWJNASNSA-N
SMILES	CC1=C(N2[C@@H]([C@@H](C2=O)NC(=O)[C@@H](C3=CC=CC=C3)N)[S@@](=O)C1)C(=O)O
PubChem CID	94865169

Physical properties
Physical form	Solid
LogP (XLogP3)	-3.6
H-bond donors / acceptors	3 / 7
TPSA	149 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 Cephalexin S-Sulfoxide?

The CAS Registry Number of Cephalexin S-Sulfoxide is 74708-55-7. It is also known as Cefalexin S-Sulfoxide.

What is the molecular formula and molecular weight of Cephalexin S-Sulfoxide?

Cephalexin S-Sulfoxide has the molecular formula C16H17N3O5S and a molecular weight of 363.4 g/mol. Its IUPAC name is (5S,6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-methyl-5,8-dioxo-5lambda4-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid.

What is Cephalexin S-Sulfoxide used for?

Cephalexin S-Sulfoxide is supplied as a characterised reference material related to Cephalexin. 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 Cephalexin S-Sulfoxide can I order?

We supply Cephalexin S-Sulfoxide 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 Cephalexin S-Sulfoxide?

Yes. Every lot of Cephalexin S-Sulfoxide 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 Cephalexin S-Sulfoxide be shipped internationally?

Yes. We export Cephalexin S-Sulfoxide worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.