4-methylthiazol-5-acetic acid

Modify Date: 2026-08-14 16:19:42

4-methylthiazol-5-acetic acid Structure
4-methylthiazol-5-acetic acid structure
 Common Name 4-methylthiazol-5-acetic acid
CAS Number 5255-33-4 Molecular Weight 157.19000
Density 1.356 g/cm3 Boiling Point 315.1ºC at 760 mmHg
Molecular Formula C6H7NO2S Melting Point N/A
MSDS N/A Flash Point 144.4ºC

 Names

Name 2-(4-methyl-1,3-thiazol-5-yl)acetic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.356 g/cm3
Boiling Point 315.1ºC at 760 mmHg
Molecular Formula C6H7NO2S
Molecular Weight 157.19000
Flash Point 144.4ºC
Exact Mass 157.02000
PSA 78.43000
LogP 1.07860
Index of Refraction 1.582
InChIKey BHYWREOEQYCKSC-UHFFFAOYSA-N
SMILES Cc1ncsc1CC(=O)O

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
XJ1921500
CHEMICAL NAME :
5-Thiazoleacetic acid, 4-methyl-
CAS REGISTRY NUMBER :
5255-33-4
BEILSTEIN REFERENCE NO. :
0120919
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C6-H7-N-O2-S
MOLECULAR WEIGHT :
157.20
WISWESSER LINE NOTATION :
T5N CSJ D1VQ E1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
3800 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
THERAP Therapie. (Doin, Editeurs, 8, Place de l'Odeon, F-75006 Paris, France) V.1- 1946- Volume(issue)/page/year: 26,497,1971

 Synthetic Route

4-methyl-5-thiazoleacetic acid structure

4-methyl-5-thia...

CAS#:406727-23-9

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4-methylthiazol-5-acetic acid Structure

4-methylthiazol...

CAS#:5255-33-4

Learn More
Literature: Veldstra Enzymol., 1944 , vol. 11, p. 97,131 Full Text Show Details Cerecedo; Tolpin Journal of the American Chemical Society, 1937 , vol. 59, p. 1660

 Synonyms

5-THIAZOLEACETIC ACID,4-METHYL
4-Methylthiazol-5-acetic acid
4-Methylthiazol-5-essigsaeure
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