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Thiophenes, Thiazoles & Thiadiazoles

Cefalexin, 99%

Available on request

Order Cefalexin, 99% (CAS 15686-71-2) online at Zemixal: C16H17N3O4S, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-011404.

Pack sizes
Cefalexin, 99% chemical structure
CAS number15686-71-2
FormulaC16H17N3O4S
Molar mass347.4 g/mol
Physical formCrystalline
HS code29420090
Purity99%
InChIKeyZAIPMKNFIOOWCQ-UEKVPHQBSA-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

About Cefalexin, 99%

Cefalexin, 99% sits in our thiophenes, Thiazoles & Thiadiazoles section and ships worldwide from stock or short lead time. Identity at a glance (99%): CAS 15686-71-2, formula C16H17N3O4S and molar mass 347.4 g/mol. Expect white to light yellow powder or crystals.

Use cases we see most often

  • Organic synthesis
  • API synthesis

Safe handling

Hazard communication follows GHS (Danger: H317 and H334). Our SDS lists exposure controls and first-aid measures.

Order it in 1 g, 5 g and 25 g packs or ask for a bulk quotation. Each lot travels with a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.

Typical uses

  • Organic synthesis
  • API synthesis

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of Cefalexin, 99%
Product nameCefalexin, 99%
Catalogue numberZX-011404
CAS number15686-71-2
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
Molecular formulaC16H17N3O4S
Molar mass347.4 g/mol
Exact mass347.094
Purity / assay99%
Physical formCrystalline
AppearanceWhite to light yellow powder or crystals
XLogP30.6
H-bond donors / acceptors3 / 6
Topological polar surface area138 Ų
HS code29420090
InChIKeyZAIPMKNFIOOWCQ-UEKVPHQBSA-N
SMILESCC1=C(N2[C@@H]([C@@H](C2=O)NC(=O)[C@@H](C3=CC=CC=C3)N)SC1)C(=O)O
PubChem CID27447
Synonymscephalexin, Cephacillin, Ceporexin, Mamalexin, Carnosporin, Cefaleksin, Cephalexine, Ceporexine, Sinthecillin, Uphalexin, Alsporin, Cepexin

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

  • H317May cause an allergic skin reaction
  • H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

Precautionary statements P233, P260, P261, P271, P272, P280, P284, P302 + P352, P304 + P340, P321, P333 + P317, P342 + P316, P362 + P364, P403, 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 Cefalexin, 99%
1 gQuoted on request
5 gQuoted on request
25 gQuoted on request

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

Questions about Cefalexin, 99%

Which CAS number identifies Cefalexin, 99%?
Cefalexin, 99% is registered under CAS 15686-71-2. You may also see it listed as cephalexin, Cephacillin, Ceporexin. Our catalogue number for this item is ZX-011404.
What are the formula and molar mass of Cefalexin, 99%?
For Cefalexin, 99%, its formula is C16H17N3O4S and its molar mass is 347.4 g/mol. The systematic (IUPAC) name is (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. InChIKey ZAIPMKNFIOOWCQ-UEKVPHQBSA-N lets you match it in any structure database.
What grade and pack sizes are available for Cefalexin, 99%?
This listing is 99% purity. Standard packs are 1 g, 5 g, 25 g. Larger quantities and custom packing can be quoted on request.
Which documents come with Cefalexin, 99%?
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 Cefalexin, 99% to my country?
Yes. Because Cefalexin, 99% 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.

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