Cephalexin Monohydrate

Name: Cephalexin Monohydrate
Brand: Vaqora Chemicals
SKU: VQ-024904

About Cephalexin Monohydrate

Cephalexin Monohydrate is an impurity of Cefalexin carrying the CAS registry number 23325-78-2. With the molecular formula C16H19N3O5S, it has a molar mass of 365.4 g/mol. It is also known as Cefalexin Monohydrate or cefalexin hydrate.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Danger” with 4 hazard statements. Review the Safety Data Sheet before use.

Pharmaceutical QC and development laboratories use this impurity standard of Cefalexin 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.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Cefalexin

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

Cefalexin impurities

Specifications & identifiers

Chemical identifiers
Product name	Cephalexin Monohydrate
Catalogue No.	VQ-024904
CAS Number	23325-78-2
IUPAC name	(6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid;hydrate
Molecular formula	C₁₆H₁₉N₃O₅S
Molecular weight	365.4 g/mol
Exact mass	365.1045
Grade	Reference Standard
HSN code	38229090
InChIKey	AVGYWQBCYZHHPN-CYJZLJNKSA-N
SMILES	CC1=C(N2[C@@H]([C@@H](C2=O)NC(=O)[C@@H](C3=CC=CC=C3)N)SC1)C(=O)O.O
PubChem CID	62921

Physical properties
Physical form	Solid
H-bond donors / acceptors	4 / 7
TPSA	139 Å²
Synonyms	Cefalexin Monohydrate, cefalexin hydrate, 7-(D-alpha-Amino-alpha-phenylacetamido)-3-methyl-3-cephem-4-carboxylic acid monohydrate, Cephalexin hydrate, cephalexin.H2O, cefalexin.H2O, Aristosporin, Cephalobene, Cefalival, Loisine, Losporal

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H317May cause an allergic skin reaction
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H341Suspected of causing genetic defects

Precautionary statements: P203, P233, P260, P261, P264, P270, P271, P272, P280, P284, P301 + P317, P302 + P352, P304 + P340, P318, P321, P330, P333 + P317, P342 + P316, P362 + P364, P403, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 Monohydrate?

The CAS Registry Number of Cephalexin Monohydrate is 23325-78-2. It is also known as Cefalexin Monohydrate, cefalexin hydrate, 7-(D-alpha-Amino-alpha-phenylacetamido)-3-methyl-3-cephem-4-carboxylic acid monohydrate.

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

Cephalexin Monohydrate has the molecular formula C16H19N3O5S and a molecular weight of 365.4 g/mol.

What is Cephalexin Monohydrate used for?

Cephalexin Monohydrate is supplied as a characterised reference material related to Cefalexin. 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 Monohydrate can I order?

We supply Cephalexin Monohydrate 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 Monohydrate?

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

Yes. Cephalexin Monohydrate is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.