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Stable Isotope Labelled Standards (Deuterated, 13C, 15N)

Benoxaprofen

Reference StandardAvailable on request

Buy Benoxaprofen (CAS 51234-28-7) from Zemixal. Request a quote with price, lead time and documents. Quotes within one business day.

Pack sizes
Benoxaprofen chemical structure
CAS number51234-28-7
FormulaC16H12ClNO3
Molar mass301.72 g/mol
Physical formSolid
HS code38229090
InChIKeyMITFXPHMIHQXPI-UHFFFAOYSA-N
IUPAC name2-[2-(4-chlorophenyl)-1,3-benzoxazol-5-yl]propanoic acid

About Benoxaprofen

Benoxaprofen belongs to the Benoxaprofen reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 51234-28-7, formula C16H12ClNO3 and molar mass 301.72 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • LC-MS/MS internal standard
  • Bioanalytical quantitation
  • Pharmacokinetic studies

Storage and safety notes

Hazard communication follows GHS (Danger: H301 and H413). Our SDS lists exposure controls and first-aid measures.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. 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 Benoxaprofen

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

Benoxaprofen standards

Typical uses

  • LC-MS/MS internal standard
  • Bioanalytical quantitation
  • Pharmacokinetic studies

Applications

Specifications and identifiers

Specifications of Benoxaprofen
Product nameBenoxaprofen
Catalogue numberZX-033086
CAS number51234-28-7
IUPAC name2-[2-(4-chlorophenyl)-1,3-benzoxazol-5-yl]propanoic acid
Molecular formulaC16H12ClNO3
Molar mass301.72 g/mol
Exact mass301.0506
GradeReference Standard
Physical formSolid
XLogP34.1
H-bond donors / acceptors1 / 4
Topological polar surface area63.3 Ų
HS code38229090
InChIKeyMITFXPHMIHQXPI-UHFFFAOYSA-N
SMILESCC(C1=CC2=C(C=C1)OC(=N2)C3=CC=C(C=C3)Cl)C(=O)O
PubChem CID39941
Synonymsdl-Benoxaprofen, Benoxaprofene, Compound 90459, Lilly 90459, 2-(4-Chlorophenyl)-alpha-methyl-5-benzoxazoleacetic acid, (1)-2-(4-Chlorophenyl)benzoxazole-5-propionic acid, 2-(p-Chlorophenyl)-alpha-methyl-5-benzoxazoleacetic acid, 2-(2-(4-Chlorophenyl)-1,3-benzoxazol-5-yl)propanoic acid, 2-(2-(4-chlorophenyl)benzo[d]oxazol-5-yl)propanoic acid, LRCL 3794, 5-Benzoxazoleacetic acid, 2-(4-chlorophenyl)-.alpha.-methyl-

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

Safety and GHS hazards

GHS06 Acute toxicity
Acute toxicity

Signal word Danger

  • H301Toxic if swallowed
  • H413May cause long lasting harmful effects to aquatic life

Precautionary statements P264, P270, P273, P301 + P316, P321, P330, 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 Benoxaprofen
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 Benoxaprofen

Which CAS number identifies Benoxaprofen?
Benoxaprofen is registered under CAS 51234-28-7. You may also see it listed as dl-Benoxaprofen, Benoxaprofene, Compound 90459. Our catalogue number for this item is ZX-033086.
What are the formula and molar mass of Benoxaprofen?
For Benoxaprofen, its formula is C16H12ClNO3 and its molar mass is 301.72 g/mol. The systematic (IUPAC) name is 2-[2-(4-chlorophenyl)-1,3-benzoxazol-5-yl]propanoic acid. InChIKey MITFXPHMIHQXPI-UHFFFAOYSA-N lets you match it in any structure database.
How is Benoxaprofen used in pharmaceutical QC?
Benoxaprofen is a characterised reference material linked to Benoxaprofen. 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 Benoxaprofen?
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 Benoxaprofen?
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 Benoxaprofen to my country?
Yes. Because Benoxaprofen 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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