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API Impurities

Cephalexin Monohydrate

Reference StandardAvailable on request

Buy Cephalexin Monohydrate (CAS 23325-78-2) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Exported from India with full paperwork.

Pack sizes
Cephalexin Monohydrate chemical structure
CAS number23325-78-2
FormulaC16H19N3O5S
Molar mass365.4 g/mol
Physical formSolid
HS code38229090
InChIKeyAVGYWQBCYZHHPN-CYJZLJNKSA-N
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

About Cephalexin Monohydrate

Cephalexin Monohydrate is supplied by Zemixal as a characterised reference material for Cefalexin analysis. Key data (Reference Standard): CAS 23325-78-2, formula C16H19N3O5S and molar mass 365.4 g/mol. It is handled as a solid.

Common uses in the lab and plant

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

Handling and storage

Classified under GHS with signal word Danger and hazard statements H302, H317, H334 and H341. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Cefalexin

See every impurity, metabolite and related compound we list for this API.

Cefalexin standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of Cephalexin Monohydrate
Product nameCephalexin Monohydrate
Catalogue numberZX-023883
CAS number23325-78-2
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 formulaC16H19N3O5S
Molar mass365.4 g/mol
Exact mass365.1045
GradeReference Standard
Physical formSolid
H-bond donors / acceptors4 / 7
Topological polar surface area139 Ų
HS code38229090
InChIKeyAVGYWQBCYZHHPN-CYJZLJNKSA-N
SMILESCC1=C(N2[C@@H]([C@@H](C2=O)NC(=O)[C@@H](C3=CC=CC=C3)N)SC1)C(=O)O.O
PubChem CID62921
SynonymsCefalexin 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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Danger

  • 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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Cephalexin Monohydrate
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Cephalexin Monohydrate

Which CAS number identifies Cephalexin Monohydrate?
Cephalexin Monohydrate is registered under CAS 23325-78-2. You may also see it listed as Cefalexin Monohydrate, cefalexin hydrate, 7-(D-alpha-Amino-alpha-phenylacetamido)-3-methyl-3-cephem-4-carboxylic acid monohydrate. Our catalogue number for this item is ZX-023883.
What are the formula and molar mass of Cephalexin Monohydrate?
For Cephalexin Monohydrate, its formula is C16H19N3O5S and its molar mass is 365.4 g/mol. InChIKey AVGYWQBCYZHHPN-CYJZLJNKSA-N lets you match it in any structure database.
How is Cephalexin Monohydrate used in pharmaceutical QC?
Cephalexin Monohydrate is a characterised reference material linked to Cefalexin. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Cephalexin Monohydrate?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Cephalexin Monohydrate?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Cephalexin Monohydrate to my country?
Yes. Because Cephalexin Monohydrate is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

More Cefalexin standards

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