Thieno[3,4-b]pyrazine

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Names

[ CAS No. ]:
272-43-5

[ Name ]:
Thieno[3,4-b]pyrazine

[Synonym ]:
thieno<3,4-b>pyrazine

Chemical & Physical Properties

[ Density]:
1.368

[ Boiling Point ]:
253ºC

[ Melting Point ]:
47-48ºC

[ Molecular Formula ]:
C6H4N2S

[ Molecular Weight ]:
136.17400

[ Flash Point ]:
112ºC

[ Exact Mass ]:
136.01000

[ PSA ]:
54.02000

[ LogP ]:
1.69130

[ Vapour Pressure ]:
0.03mmHg at 25°C

[ Index of Refraction ]:
1.705

Safety Information

[ HS Code ]:
2934999090

Synthetic Route

Precursor & DownStream

Precursor

  • 3,4-Diaminothiophene
  • 3,4-Diaminothiophenedihydrochloride

DownStream

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-phenylthieno[3,4-b]pyrazine
  • 2-Methyl-thieno[3,4-b]pyrazine
  • 5,7-dibromothieno[3,4-b]pyrazine
  • 2,3-dimethylthieno[3,4-b]pyrazine
  • 2,3-diphenylthieno[3,4-b]pyrazine
  • Thieno[3,4-b]pyrazine, 2,3-diethyl-
  • 4-((Cyclohexylamino)methyl)benzoic acid hydrochloride
  • N-(3-(6-oxopyridazin-1(6H)-yl)propyl)-4-(thiazol-2-yloxy)benzamide
  • 1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
  • 2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
  • 1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
  • (4-Methyl-tetrahydro-furan-2-yl)-methanol
  • 6-Phenyl-2-(4-phenylpiperazin-1-yl)-1,3-diazinan-4-one
  • N-(1-cyanocyclopentyl)-2-[4-(4-fluorobenzenesulfonyl)-1,4-diazepan-1-yl]acetamide
  • 4,5,6,7-Tetrahydrobenzo[d]isoxazole-3-carbaldehyde
  • 2-N-Boc-hexane-1,2-diamine