(S)-Ibuprofen Methyl Ester

Name: (S)-Ibuprofen Methyl Ester
Brand: Vaqora Chemicals
SKU: VQ-031136

About (S)-Ibuprofen Methyl Ester

(S)-Ibuprofen Methyl Ester (CAS 81576-55-8) is an impurity of Ibuprofen offered by Vaqora Chemicals. With the molecular formula C14H20O2, it has a molar mass of 220.31 g/mol. Systematically, it is named methyl (2S)-2-[4-(2-methylpropyl)phenyl]propanoate. Common synonyms include Dexibuprofen Methyl Ester and (+)-Ibuprofen methyl ester.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Ibuprofen, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer (S)-Ibuprofen Methyl Ester in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Ibuprofen

View every impurity, metabolite and intermediate we list for Ibuprofen.

Ibuprofen impurities

Specifications & identifiers

Chemical identifiers
Product name	(S)-Ibuprofen Methyl Ester
Catalogue No.	VQ-031136
CAS Number	81576-55-8
IUPAC name	methyl (2S)-2-[4-(2-methylpropyl)phenyl]propanoate
Molecular formula	C₁₄H₂₀O₂
Molecular weight	220.31 g/mol
Exact mass	220.1463
Grade	Reference Standard
HSN code	38229090
InChIKey	YNZYUHPFNYBBFF-NSHDSACASA-N
SMILES	C[C@@H](C1=CC=C(C=C1)CC(C)C)C(=O)OC
PubChem CID	6933487

Physical properties
Physical form	Solid
LogP (XLogP3)	3.8
H-bond donors / acceptors	0 / 2
TPSA	26.3 Å²
Synonyms	Dexibuprofen Methyl Ester, Benzeneacetic acid, alpha-methyl-4-(2-methylpropyl)-, methyl ester, (alphaS)-, (+)-Ibuprofen methyl ester, Ibuprofen methyl ester, (S)-, Benzeneacetic acid, alpha-methyl-4-(2-methylpropyl)-, methyl ester, (S)-, Methyl (alphaS)-alpha-methyl-4-(2-methylpropyl)benzeneacetate, methyl (S)-2-(4-isobutylphenyl)propanoate, (S)-Methyl 2-(4-isobutylphenyl)propanoate, methyl (2S)-2-(4-isobutylphenyl)propanoate, methyl (S)-(+)-2-(4-isobutylphenyl)propionate

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of (S)-Ibuprofen Methyl Ester?

The CAS Registry Number of (S)-Ibuprofen Methyl Ester is 81576-55-8. It is also known as Dexibuprofen Methyl Ester, Benzeneacetic acid, alpha-methyl-4-(2-methylpropyl)-, methyl ester, (alphaS)-, (+)-Ibuprofen methyl ester.

What is the molecular formula and molecular weight of (S)-Ibuprofen Methyl Ester?

(S)-Ibuprofen Methyl Ester has the molecular formula C14H20O2 and a molecular weight of 220.31 g/mol. Its IUPAC name is methyl (2S)-2-[4-(2-methylpropyl)phenyl]propanoate.

What is (S)-Ibuprofen Methyl Ester used for?

(S)-Ibuprofen Methyl Ester is supplied as a characterised reference material related to Ibuprofen. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of (S)-Ibuprofen Methyl Ester can I order?

We supply (S)-Ibuprofen Methyl Ester in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with (S)-Ibuprofen Methyl Ester?

Yes. Every lot of (S)-Ibuprofen Methyl Ester is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can (S)-Ibuprofen Methyl Ester be shipped internationally?

Yes. We export (S)-Ibuprofen Methyl Ester worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.