4-Hydroxy-2-thiophenecarboxylic acid

Suppliers

Names

[ CAS No. ]:
40748-90-1

[ Name ]:
4-Hydroxy-2-thiophenecarboxylic acid

[Synonym ]:
2-Thiophenecarboxylic acid,4-hydroxy
4-Hydroxy-thiophen-2-carbonsaeure
3-Hydroxy-5-hydroxycarbonyl-thiophen
2-Thiophenecarboxylic acid, 4-hydroxy-
4-Hydroxy-2-thiophenecarboxylic acid
4-hydroxy-2-thenoic acid
4-hydroxy-thiophene-2-carboxylic acid

Chemical & Physical Properties

[ Density]:
1.6±0.1 g/cm3

[ Boiling Point ]:
381.0±27.0 °C at 760 mmHg

[ Molecular Formula ]:
C5H4O3S

[ Molecular Weight ]:
144.148

[ Flash Point ]:
184.2±23.7 °C

[ Exact Mass ]:
143.988113

[ PSA ]:
85.77000

[ LogP ]:
1.18

[ Vapour Pressure ]:
0.0±0.9 mmHg at 25°C

[ Index of Refraction ]:
1.667

Safety Information

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 2,5-Bis(methoxycarbonyl)-3-hydroxythiophene
  • 2,2-bis-methoxycarbonylmethylsulfanyl-succinic acid dimethyl ester

DownStream

  • methyl 4-methoxythiophene-2-carboxylate

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

  • 4-Hydroxy-2-thiophenecarboxylic acid methyl ester
  • 4-Hydroxy-5-methyl-2-thiophenecarboxylic acid ethyl ester
  • 4-Acetyl-3-hydroxy-2-thiophenecarboxylic acid
  • 3-Thiophenecarboxylicacid, 4-hydroxy-2-methyl-, ethyl ester
  • methyl 4-hydroxy-2-methylthiophene-3-carboxylate
  • 4-hydroxy-2-oxooctanoic acid
  • 2-{[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)but-2-ynamido]methyl}-4-methylpentanoic acid
  • 2-ethyl-2-{[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)but-2-ynamido]methyl}butanoic acid
  • 3-ethoxy-4-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)but-2-ynamido]butanoic acid
  • (2S)-1-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)but-2-ynoyl]-4,4-difluoropyrrolidine-2-carboxylic acid
  • 4-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)but-2-ynoyl]-2-methylmorpholine-2-carboxylic acid
  • 4-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)but-2-ynoyl]-2-(methoxymethyl)morpholine-2-carboxylic acid
  • 2-{1-benzyl-4-[4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)but-2-ynamido]piperidin-4-yl}acetic acid
  • 4-[3-(aminomethyl)phenyl]-4H,5H,6H,7H-pyrazolo[1,5-a]pyridin-2-amine
  • (1R)-1-{4-[3-(aminomethyl)phenyl]-5-fluoro-2-methylphenyl}ethan-1-amine
  • [3-(1-Ethyl-1,2,5,6-tetrahydropyridin-3-yl)phenyl]methanamine
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