Cephalexin Diketopiperazine

Name: Cephalexin Diketopiperazine
Brand: Vaqora Chemicals
SKU: VQ-022133

About Cephalexin Diketopiperazine

Cephalexin Diketopiperazine is an impurity of Cephalexin carrying the CAS registry number 59865-11-1. Its molecular formula is C16H17N3O4S and its molecular weight is 347.4 g/mol. The IUPAC name is 2-(3,6-dioxo-5-phenylpiperazin-2-yl)-5-methyl-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid. Common synonyms include Cefalexin Diketopiperazine.

It is supplied 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.

Pharmaceutical QC and development laboratories use this impurity standard of Cephalexin to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Cephalexin Diketopiperazine is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Cephalexin

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

Cephalexin impurities

Specifications & identifiers

Chemical identifiers
Product name	Cephalexin Diketopiperazine
Catalogue No.	VQ-022133
CAS Number	59865-11-1
IUPAC name	2-(3,6-dioxo-5-phenylpiperazin-2-yl)-5-methyl-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid
Molecular formula	C₁₆H₁₇N₃O₄S
Molecular weight	347.4 g/mol
Exact mass	347.094
Grade	Reference Standard
HSN code	38229090
InChIKey	BGVLRSBBXLRVEG-UHFFFAOYSA-N
SMILES	CC1=C(NC(SC1)C2C(=O)NC(C(=O)N2)C3=CC=CC=C3)C(=O)O
PubChem CID	71314639

Physical properties
Physical form	Solid
LogP (XLogP3)	1
H-bond donors / acceptors	4 / 6
TPSA	133 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 Diketopiperazine?

The CAS Registry Number of Cephalexin Diketopiperazine is 59865-11-1. It is also known as Cefalexin Diketopiperazine.

What is the molecular formula and molecular weight of Cephalexin Diketopiperazine?

Cephalexin Diketopiperazine has the molecular formula C16H17N3O4S and a molecular weight of 347.4 g/mol. Its IUPAC name is 2-(3,6-dioxo-5-phenylpiperazin-2-yl)-5-methyl-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid.

What is Cephalexin Diketopiperazine used for?

Cephalexin Diketopiperazine 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 Diketopiperazine can I order?

We supply Cephalexin Diketopiperazine 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 Diketopiperazine?

Yes. Every lot of Cephalexin Diketopiperazine 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 Diketopiperazine be shipped internationally?

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