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API Reference Standards

Ibuprofen WS

Reference StandardIn stock

Buy Ibuprofen WS (CAS 15687-27-1) from Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-006577.

Pack sizes
Ibuprofen WS chemical structure
CAS number15687-27-1
FormulaC13H18O2
Molar mass206.28 g/mol
Physical formSolid
HS code38229090
InChIKeyHEFNNWSXXWATRW-UHFFFAOYSA-N
IUPAC name2-[4-(2-methylpropyl)phenyl]propanoic acid

About Ibuprofen WS

Analytical teams working on Ibuprofen use Ibuprofen WS as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 15687-27-1, formula C13H18O2 and molar mass 206.28 g/mol. It is handled as a solid.

Use cases we see most often

  • Identification & assay
  • Method development & validation
  • QC reference material

Handling and storage

Classified under GHS with signal word Warning and hazard statements H302, H319, H335 and H361. Read the SDS before first use.

Available as 10 mg, 25 mg, 50 mg, 100 mg and 250 mg. Larger or split packs can be arranged. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Ibuprofen

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

Ibuprofen standards

Typical uses

  • Identification & assay
  • Method development & validation
  • QC reference material

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of Ibuprofen WS
Product nameIbuprofen WS
Catalogue numberZX-006577
CAS number15687-27-1
IUPAC name2-[4-(2-methylpropyl)phenyl]propanoic acid
Molecular formulaC13H18O2
Molar mass206.28 g/mol
Exact mass206.1307
GradeReference Standard
Physical formSolid
XLogP33.5
H-bond donors / acceptors1 / 2
Topological polar surface area37.3 Ų
HS code38229090
InChIKeyHEFNNWSXXWATRW-UHFFFAOYSA-N
SMILESCC(C)CC1=CC=C(C=C1)C(C)C(=O)O
PubChem CID3672
SynonymsIbuprofen, α-Methyl-4-(isobutyl)phenylacetic Acid, (±)-2-(4-Isobutylphenyl)propanoic Acid, (RS)-Ibuprofen, (±)-Ibuprofen, (±)-Ibuprophen, 4-Isobutylhydratropic acid, Actiprofen, Butylenin, Caldolor, Carol, Cetafen Plus

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 Warning

  • H302Harmful if swallowed
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation
  • H361Suspected of damaging fertility or the unborn child

Precautionary statements P203, P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P304 + P340, P305 + P351 + P338, P318, P319, P330, P337 + P317, P403 + P233, 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 Ibuprofen WS
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request
250 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 Ibuprofen WS

Which CAS number identifies Ibuprofen WS?
Ibuprofen WS is registered under CAS 15687-27-1. You may also see it listed as Ibuprofen, α-Methyl-4-(isobutyl)phenylacetic Acid, (±)-2-(4-Isobutylphenyl)propanoic Acid. Our catalogue number for this item is ZX-006577.
What are the formula and molar mass of Ibuprofen WS?
For Ibuprofen WS, its formula is C13H18O2 and its molar mass is 206.28 g/mol. The systematic (IUPAC) name is 2-[4-(2-methylpropyl)phenyl]propanoic acid. InChIKey HEFNNWSXXWATRW-UHFFFAOYSA-N lets you match it in any structure database.
How is Ibuprofen WS used in pharmaceutical QC?
Ibuprofen WS is a characterised reference material linked to Ibuprofen. 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 Ibuprofen WS?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Ibuprofen WS?
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 Ibuprofen WS to my country?
Yes. Because Ibuprofen WS 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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