Methyl 12-Hydroxystearate

Name: Methyl 12-Hydroxystearate
Brand: Vaqora Chemicals
SKU: VQ-032334

About Methyl 12-Hydroxystearate

Listed under CAS 141-23-1, Methyl 12-Hydroxystearate is a metabolite or degradation product of Allopurinol available from Vaqora Chemicals. With the molecular formula C19H38O3, it has a molar mass of 314.5 g/mol. Its systematic (IUPAC) name is methyl 12-hydroxyoctadecanoate. Alternative names: Kemester 1288 and Methyl hydroxystearate.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Analytical teams use this compound to identify metabolites and degradants of Allopurinol, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer Methyl 12-Hydroxystearate in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling
Fine chemical synthesis

Industries

Related to Allopurinol

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

Allopurinol impurities

Specifications & identifiers

Chemical identifiers
Product name	Methyl 12-Hydroxystearate
Catalogue No.	VQ-032334
CAS Number	141-23-1
IUPAC name	methyl 12-hydroxyoctadecanoate
Molecular formula	C₁₉H₃₈O₃
Molecular weight	314.5 g/mol
Exact mass	314.2821
Grade	Reference Standard
HSN code	38229090
InChIKey	RVWOWEQKPMPWMQ-UHFFFAOYSA-N
SMILES	CCCCCCC(CCCCCCCCCCC(=O)OC)O
PubChem CID	8840

Physical properties
Physical form	Solid
LogP (XLogP3)	6.6
H-bond donors / acceptors	1 / 3
TPSA	46.5 Å²
Synonyms	Kemester 1288, Methyl hydroxystearate, Octadecanoic acid, 12-hydroxy-, methyl ester, Paracin 1, 12-Hydroxystearic acid, methyl ester, Stearic acid, 12-hydroxy-, methyl ester, Methyl-12-hydroxyoctadecanoate, 12-Hydroxyoctadecanoic acid, methyl ester, 12-Hydroxystearic acid methyl ester, 12-Hydroxyoctadecanoic acid methyl ester, Octadecanoic acid, 12-hydroxy-, (R-(Z))-

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H319Causes serious eye irritation

Precautionary statements: P264 + P265, P280, P305 + P351 + P338, P337 + P317

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 Methyl 12-Hydroxystearate?

The CAS Registry Number of Methyl 12-Hydroxystearate is 141-23-1. It is also known as Kemester 1288, Methyl hydroxystearate, Octadecanoic acid, 12-hydroxy-, methyl ester.

What is the molecular formula and molecular weight of Methyl 12-Hydroxystearate?

Methyl 12-Hydroxystearate has the molecular formula C19H38O3 and a molecular weight of 314.5 g/mol. Its IUPAC name is methyl 12-hydroxyoctadecanoate.

What is Methyl 12-Hydroxystearate used for?

Methyl 12-Hydroxystearate is supplied as a characterised reference material related to Allopurinol. 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 Methyl 12-Hydroxystearate can I order?

We supply Methyl 12-Hydroxystearate 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 Methyl 12-Hydroxystearate?

Yes. Every lot of Methyl 12-Hydroxystearate 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 Methyl 12-Hydroxystearate be shipped internationally?

Yes. Methyl 12-Hydroxystearate is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.