(S)-(+)-Ibuprofen
(S)-(+)-Ibuprofen (CAS: 51146-56-6) is the enantiomerically pure form of the well-known non-steroidal anti-inflammatory drug (NSAID). With a molecular weight of 206.28 g/mol, this chiral building block is primarily utilised in pharmacokinetic studies and as a research chemical for asymmetric synthesis. Supplied by Tech Serve Solutions, it offers a high level of purity for demanding laboratory applications.
- IUPAC
- (S)-(+)-4-Isobutyl-α-methylphenylacetic acid,(S)-(+)-2-(4-Isobutylphenyl)propionic acid
- Synonyms
- (S)-(+)-4-Isobutyl-α-methylphenylacetic acid(S)-(+)-2-(4-Isobutylphenyl)propionic acid

Pharmacokinetic Studies
This enantiopure form of ibuprofen serves as a critical tool in pharmacokinetic research, allowing for precise investigations into drug metabolism and disposition in biological systems. Its specific stereochemistry is essential for understanding differential absorption, distribution, metabolism, and excretion (ADME) profiles compared to the racemic mixture.
Asymmetric Synthesis
As a chiral building block, (S)-(+)-Ibuprofen is valuable in the synthesis of complex molecules where stereochemical control is paramount. It can be employed in research settings to develop new chiral compounds or to investigate stereoselective reactions.
Bioactive Small Molecule Research
This compound is utilized in cell biology and related research fields as a specific bioactive small molecule. Its application enables scientists to study cellular processes influenced by this particular enantiomer of ibuprofen.
| Molecular weight | 206.28 |
|---|---|
| Linear formula | (CH3)2CHCH2C6H4CH(CH3)CO2H |
| Assay | ≥99.0% (sum of enantiomers, GC) |
| Grade | ReagentPlus® |
| Optical activity | [α]20/D +58±3°, c = 2% in ethanol |
| Application | Enantiomeric form of the anti-inflammatory agent ibuprofen used in pharmacokinetic studies.1 |
| Melting point | 49-53 °C(lit.)49-53 °C |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Flash point | >113 °C / >235.4 °F |
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | human ... IL8RA(3577) |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is (S)-(+)-Ibuprofen used for?
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(S)-(+)-Ibuprofen is primarily used in pharmacokinetic studies and as a chiral building block in asymmetric synthesis and other chemical research applications where the specific enantiomer is required.
What are the CAS number and chemical formula for (S)-(+)-Ibuprofen?
+
The CAS number for (S)-(+)-Ibuprofen is 51146-56-6. The linear chemical formula is (CH₃)₂CHCH₂C₆H₄CH(CH₃)CO₂H.
What grade and purity does Tech Serve Solutions supply for (S)-(+)-Ibuprofen?
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Tech Serve Solutions supplies (S)-(+)-Ibuprofen at a minimum assay of ≥99.0% (sum of enantiomers, GC) with a ReagentPlus® grade. This product is not represented as USP, BP, or EP grade unless explicitly stated in the product documentation.
What are the safety and handling precautions for (S)-(+)-Ibuprofen?
+
Handling (S)-(+)-Ibuprofen requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. It has a flash point greater than 113 °C (235.4 °F) and is classified under WGK Germany 3.
How is (S)-(+)-Ibuprofen packed, shipped, and exported by Tech Serve Solutions?
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Tech Serve Solutions professionally packs, ships, and exports (S)-(+)-Ibuprofen globally, adhering to all relevant regulations for chemical transport and international trade.
How can I request a quote or sample for (S)-(+)-Ibuprofen?
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To request a quote or sample for (S)-(+)-Ibuprofen, please contact our sales team via the website or direct contact details provided by Tech Serve Solutions.
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