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API Reference Standards

(S)-(+)-Ibuprofen

Reference StandardAvailable on request

(S)-(+)-Ibuprofen (CAS 51146-56-6) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 10 mg.

Pack sizes
(S)-(+)-Ibuprofen chemical structure
CAS number51146-56-6
FormulaC13H18O2
Molar mass206.28 g/mol
Physical formSolid
HS code38229090
InChIKeyHEFNNWSXXWATRW-JTQLQIEISA-N
IUPAC name(2S)-2-[4-(2-methylpropyl)phenyl]propanoic acid

About (S)-(+)-Ibuprofen

Analytical teams working on Ibuprofen use (S)-(+)-Ibuprofen as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 51146-56-6, formula C13H18O2 and molar mass 206.28 g/mol. It is handled as a solid.

Typical applications

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

Storage and safety notes

Classified under GHS with signal word Warning and hazard statements H302, H315, H319 and H335. Read the SDS before first use.

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

Specifications and identifiers

Specifications of (S)-(+)-Ibuprofen
Product name(S)-(+)-Ibuprofen
Catalogue numberZX-033593
CAS number51146-56-6
IUPAC name(2S)-2-[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-JTQLQIEISA-N
SMILESC[C@@H](C1=CC=C(C=C1)CC(C)C)C(=O)O
PubChem CID39912
SynonymsDexibuprofene, d-Ibuproten, (+)-(S)-p-Isobutylhydratropic acid, (2S)-2-(4-isobutylphenyl)propanoic acid, (+)-Ibuprofen, (S)-alpha-methyl-4-(2-methylpropyl)benzeneacetic acid, Benzeneacetic acid, alpha-methyl-4-(2-methylpropyl)-, (S)-, (2S)-2-(4-(2-methylpropyl)phenyl)propanoic acid, (S)-2-(4-Isobutylphenyl)propanoic acid

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
  • H315Causes skin irritation
  • 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, P302 + P352, P304 + P340, P305 + P351 + P338, P318, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, 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 (S)-(+)-Ibuprofen
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 (S)-(+)-Ibuprofen

Which CAS number identifies (S)-(+)-Ibuprofen?
(S)-(+)-Ibuprofen is registered under CAS 51146-56-6. You may also see it listed as Dexibuprofene, d-Ibuproten, (+)-(S)-p-Isobutylhydratropic acid. Our catalogue number for this item is ZX-033593.
What are the formula and molar mass of (S)-(+)-Ibuprofen?
For (S)-(+)-Ibuprofen, its formula is C13H18O2 and its molar mass is 206.28 g/mol. The systematic (IUPAC) name is (2S)-2-[4-(2-methylpropyl)phenyl]propanoic acid. InChIKey HEFNNWSXXWATRW-JTQLQIEISA-N lets you match it in any structure database.
How is (S)-(+)-Ibuprofen used in pharmaceutical QC?
(S)-(+)-Ibuprofen 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 (S)-(+)-Ibuprofen?
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 (S)-(+)-Ibuprofen?
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 (S)-(+)-Ibuprofen to my country?
Yes. Because (S)-(+)-Ibuprofen 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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