3-Methyl-1,2-thiazole-4-carboxylic acid

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Names

[ CAS No. ]:
15903-66-9

[ Name ]:
3-Methyl-1,2-thiazole-4-carboxylic acid

[Synonym ]:
4-Isothiazolecarboxylic acid, 3-methyl-
3-Methyl-1,2-thiazole-4-carboxylic acid

Chemical & Physical Properties

[ Density]:
1.4±0.1 g/cm3

[ Boiling Point ]:
182.3±33.0 °C at 760 mmHg

[ Melting Point ]:
235.5-237.5 °C

[ Molecular Formula ]:
C5H5NO2S

[ Molecular Weight ]:
143.164

[ Flash Point ]:
64.1±25.4 °C

[ Exact Mass ]:
143.004105

[ PSA ]:
78.43000

[ LogP ]:
0.95

[ Vapour Pressure ]:
0.5±0.4 mmHg at 25°C

[ Index of Refraction ]:
1.599

[ Storage condition ]:
2-8°C

Safety Information

[ Hazard Codes ]:
Xi

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Ethyl 3-methylisothiazole-4-carboxylate
  • 4-Isothiazolecarboxylic acid, 3-Methyl-, Methyl ester
  • dimethyl 3-methyl-1,2-thiazole-4,5-dicarboxylate
  • 2-Butenoic acid, 3-amino-2-(thioxomethyl)-, ethyl ester
  • 3-methyl-isothiazole-4,5-dicarboxylic acid
  • 4-Cyano-3-methylisothiazole

DownStream

  • Ethyl 3-methylisothiazole-4-carboxylate
  • 4-Isothiazolecarboxylic acid,3-methyl-,hydrazide

Customs

[ HS Code ]: 2934999090

[ Summary ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • 5-Amino-3-methyl-1,2-thiazole-4-carboxylic acid
  • 5-chloro-3-methyl-1,2-thiazole-4-carboxylic acid
  • 5-benzamido-3-methyl-1,2-thiazole-4-carboxylic acid
  • 5-(benzylamino)-3-methyl-1,2-thiazole-4-carboxylic acid
  • 5-(benzylideneamino)-3-methyl-1,2-thiazole-4-carboxylic acid
  • 5-[(2-iodoacetyl)amino]-3-methyl-1,2-thiazole-4-carboxylic acid
  • N-(4-methylidenecyclohexyl)cyclobutanecarboxamide
  • 3-(2-methoxyethyl)-1-[4-(1H-pyrazol-1-yl)cyclohexyl]urea
  • N-[(3,4-dimethoxyphenyl)methyl]ethene-1-sulfonamide
  • 2-(2-fluorophenoxy)-N-(4-methylidenecyclohexyl)propanamide
  • N-(4-methylidenecyclohexyl)-4-(thiophen-3-yl)benzamide
  • 2-[2-(propan-2-yl)-1H-imidazol-1-yl]cyclobutan-1-ol
  • 4-methyl-N-(4-methylidenecyclohexyl)-1,3-thiazole-5-carboxamide
  • N-(4-methylidenecyclohexyl)isoquinoline-1-carboxamide
  • N-cyclobutyl-2,5-dimethylfuran-3-carboxamide
  • N-(4-methylidenecyclohexyl)-2-oxoimidazolidine-1-carboxamide