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
  • 7-{thieno[3,2-d]pyrimidin-4-yl}-3-(trifluoromethyl)-5H,6H,7H,8H-[1,2,4]triazolo[4,3-a]pyrazine
  • 1-(3-methyl-1,2,4-thiadiazol-5-yl)-4-[6-(1H-pyrazol-1-yl)pyridin-2-yl]piperazine
  • 2,2-dimethyl-N-(5-{4-[2-(propan-2-yl)pyrimidin-4-yl]piperazin-1-yl}pyridin-2-yl)propanamide
  • N-{5-[4-(5-cyanopyridin-2-yl)piperazin-1-yl]pyridin-2-yl}-2,2-dimethylpropanamide
  • 1-[1-(4,6-Dimethylpyrimidin-2-yl)piperidin-4-yl]-3-phenylimidazolidine-2,4-dione
  • 2,2-dimethyl-N-[5-(4-{[3-(propan-2-yl)-1,2,4-oxadiazol-5-yl]methyl}piperazin-1-yl)pyridin-2-yl]propanamide
  • 2-({1-[(5-Cyclopropyl-1,3,4-oxadiazol-2-yl)methyl]piperidin-3-yl}methoxy)pyrazine
  • 2-methyl-1-[(1-methyl-1H-pyrazol-4-yl)methyl]-4-{2-methylpyrido[3,4-d]pyrimidin-4-yl}piperazine
  • N-(5-{4-[5-fluoro-6-(propan-2-yl)pyrimidin-4-yl]piperazin-1-yl}pyridin-2-yl)-2,2-dimethylpropanamide
  • 2-[3-(4,4-Difluoropiperidine-1-carbonyl)piperidin-1-yl]-6-fluoro-1,3-benzoxazole
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