5-Methyl-3,4-Dihydrothieno[2,3-d]Pyrimid-4-One

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Names

[ CAS No. ]:
43088-64-8

[ Name ]:
5-Methyl-3,4-Dihydrothieno[2,3-d]Pyrimid-4-One

[Synonym ]:
5-Methyl-4-oxo-3,4-dihydro-thieno<2,3-d>pyrimidin
5-Methyl-3,4-dihydrothieno<2,3-d>pyrimid-4-one
MFCD00205193
3H-5-methylthieno<2,3-d>pyrimidin-4-one

Chemical & Physical Properties

[ Density]:
1.53g/cm3

[ Boiling Point ]:
403.9ºC at 760mmHg

[ Molecular Formula ]:
C7H6N2OS

[ Molecular Weight ]:
166.20000

[ Flash Point ]:
198.1ºC

[ Exact Mass ]:
166.02000

[ PSA ]:
73.99000

[ LogP ]:
1.29300

[ Index of Refraction ]:
1.752

Safety Information

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • ETHYL 2-AMINO-4-METHYLTHIOPHENE-3-CARBOXYLATE
  • (Z)-Methanimidic acid
  • ETHYL 5-METHYL-4-OXO-3,4-DIHYDROTHIENO[2,3-D]-PYRIMIDINE-6-CARBOXYLATE
  • 2-Amino-4-methyl-3-thiophenecarbonitrile
  • Formic Acid
  • 5-METHYL-4-OXO-3,4-DIHYDROTHIENO[2,3-D]PYRIMIDINE-6-CARBOXYLIC ACID

DownStream

  • 4-Chloro-5-methylthieno[2,3-d]pyrimidine
  • 4-Bromo-5-methylthieno[2,3-d]pyrimidine
  • 4-hydrazino-5-methylthieno[2,3-d]pyrimidine
  • 4-[3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-7-methyl-9-thia-2,4-diazabicyclo[4.3.0]nona-2,7,10-trien-5-one
  • 4,6-dichloro-5-methylthieno[2,3-d]pyrimidine

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%