4-Methyl-5-thiazoleethanol

Name: 4-Methyl-5-thiazoleethanol
Brand: Vaqora Chemicals
SKU: VQ-023357

About 4-Methyl-5-thiazoleethanol

Listed under CAS 137-00-8, 4-Methyl-5-thiazoleethanol is a metabolite or degradation product of Thiamine available from Vaqora Chemicals. Its molecular formula is C6H9NOS and its molecular weight is 143.21 g/mol. Systematically, it is named 2-(4-methyl-1,3-thiazol-5-yl)ethanol. It is also known as 5-(2-Hydroxyethyl)-4-methylthiazole or Thiamine Thiozole.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

It is used in metabolite identification, stability-indicating method development and impurity profiling of Thiamine, as well as in QC testing and ANDA/DMF documentation. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 4-Methyl-5-thiazoleethanol in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling
Fine chemical synthesis

Industries

Related to Thiamine

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

Thiamine impurities

Specifications & identifiers

Chemical identifiers
Product name	4-Methyl-5-thiazoleethanol
Catalogue No.	VQ-023357
CAS Number	137-00-8
IUPAC name	2-(4-methyl-1,3-thiazol-5-yl)ethanol
Molecular formula	C₆H₉NOS
Molecular weight	143.21 g/mol
Exact mass	143.0405
Grade	Reference Standard
HSN code	38229090
InChIKey	BKAWJIRCKVUVED-UHFFFAOYSA-N
SMILES	CC1=C(SC=N1)CCO
PubChem CID	1136

Physical properties
Physical form	Solid
LogP (XLogP3)	0.8
H-bond donors / acceptors	1 / 3
TPSA	61.4 Å²
Synonyms	5-(2-Hydroxyethyl)-4-methylthiazole, Thiamine Thiozole, Hemineurine, 5-Thiazoleethanol, 4-methyl-, 4-Methyl-5-thiazolethanol, 4-Methyl-5-(2-hydroxyethyl)thiazole, 4-Methyl-5-thiazolylethanol, 2-(4-Methylthiazole-5-yl)ethanol, 4-Methyl-5-hydroxyethylthiazole, 4-Methyl-5-hydroxethylthiazole, 2-(4-Methyl-1,3-Thiazol-5-Yl)Ethan-1-Ol, 5-(beta-Hydroxyethyl)-4-methylthiazole

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

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 4-Methyl-5-thiazoleethanol?

The CAS Registry Number of 4-Methyl-5-thiazoleethanol is 137-00-8. It is also known as 5-(2-Hydroxyethyl)-4-methylthiazole, Thiamine Thiozole, Hemineurine.

What is the molecular formula and molecular weight of 4-Methyl-5-thiazoleethanol?

4-Methyl-5-thiazoleethanol has the molecular formula C6H9NOS and a molecular weight of 143.21 g/mol. Its IUPAC name is 2-(4-methyl-1,3-thiazol-5-yl)ethanol.

What is 4-Methyl-5-thiazoleethanol used for?

4-Methyl-5-thiazoleethanol is supplied as a characterised reference material related to Thiamine. 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 4-Methyl-5-thiazoleethanol can I order?

We supply 4-Methyl-5-thiazoleethanol 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 4-Methyl-5-thiazoleethanol?

Yes. Every lot of 4-Methyl-5-thiazoleethanol 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 4-Methyl-5-thiazoleethanol be shipped internationally?

Yes. 4-Methyl-5-thiazoleethanol 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.