3-METHYL-5-(2-THIENYL)-1H-PYRAZOLE

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Names

[ CAS No. ]:
31618-80-1

[ Name ]:
3-METHYL-5-(2-THIENYL)-1H-PYRAZOLE

[Synonym ]:
2-(3-methylpyrazol-5-yl)thiophene
3-methyl-5-thiophen-2-yl-1(2)H-pyrazole
3-methyl-5-[2]thienyl-1(2)H-pyrazole
3-Methyl-5-thiophen-2-yl-pyrazole
3-methyl-5-(2-thienyl)-1h-pyrazole
3-Methyl-5-<thienyl-(2)>-pyrazol
3-Methyl-5-[2]thienyl-1(2)H-pyrazol
3-methyl-5-(thiophen-2-yl)-1H-pyrazole
3-Methyl-5-(2'-thienyl)pyrazol

Chemical & Physical Properties

[ Density]:
1.243g/cm3

[ Boiling Point ]:
335.3ºC at 760mmHg

[ Melting Point ]:
140-141ºC

[ Molecular Formula ]:
C8H8N2S

[ Molecular Weight ]:
164.22800

[ Flash Point ]:
158.7ºC

[ Exact Mass ]:
164.04100

[ PSA ]:
56.92000

[ LogP ]:
2.44660

[ Index of Refraction ]:
1.623

[ Storage condition ]:
2-8°C

Safety Information

[ Hazard Codes ]:
Xi

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 1,3-Butanedione,1-(2-thienyl)-

DownStream

  • 3-METHYL-4-NITRO-1H-PYRAZOLE-5-CARBOXYLIC ACID

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

  • 3-Methyl-4-(2-thienyl)-1H-pyrazole
  • 3-methyl-5-(2-oxo-propyl)-1-phenyl-1H-pyrazole-4-carboxylic acid methyl ester
  • 3-Methyl-5-[2-(methylamino)ethoxy]-1-phenyl-1H-pyrazole
  • 1-Benzyl-3-methyl-5-[2-(1-pyrrolidinyl)ethoxy]-1H-pyrazole
  • 1H-Pyrazole, 3-methyl-5-(2-methyl-2-propen-1-yl)
  • Ethyl 3-methyl-5-(2-nitrophenyl)-1-phenyl-pyrazole-4-carboxylate