6-Methylthieno[2,3-d]pyrimidin-4(3H)-one

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Names

[ CAS No. ]:
21582-51-4

[ Name ]:
6-Methylthieno[2,3-d]pyrimidin-4(3H)-one

[Synonym ]:
Thieno[2,3-d]pyrimidin-4(3H)-one, 2-methyl-
2-methylthieno[2,3-d]pyrimidin-4-ol
2-Methyl-4-oxo-3,4-dihydro-thieno<2,3-d>pyrimidin
2-Methylthieno[2,3-d]pyrimidin-4(3H)-one
6-Methylthieno[2,3-d]pyrimidin-4(3H)-one
thieno[2,3-d]pyrimidin-4-ol, 2-methyl-
Thieno[2,3-d]pyrimidin-4(3H)-one, 6-methyl-

Chemical & Physical Properties

[ Density]:
1.5±0.1 g/cm3

[ Boiling Point ]:
406.7±33.0 °C at 760 mmHg

[ Melting Point ]:
204-206℃

[ Molecular Formula ]:
C7H6N2OS

[ Molecular Weight ]:
166.200

[ Flash Point ]:
199.8±25.4 °C

[ Exact Mass ]:
166.020081

[ PSA ]:
73.99000

[ LogP ]:
0.38

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

[ Index of Refraction ]:
1.753

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H302

[ Hazard Codes ]:
Xn

[ Risk Phrases ]:
22

[ RIDADR ]:
NONH for all modes of transport

[ HS Code ]:
2934999090

Synthetic Route

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Precursor & DownStream

Precursor

  • Ethyl 2-amino-3-thiophenecarboxylate
  • Acetonitrile
  • 2-acetylaminothiophene-3-carboxylic acid amide
  • N-(3-cyanothiophen-2-yl)acetamide
  • 2-Amino-3-thiophenecarboxamide
  • Acetyl chloride

DownStream

  • 4-Chloro-2-methylthieno[2,3-d]pyrimidine
  • Thieno[2,3-d]pyrimidine, 2-methyl- (9CI)

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

  • 6-Methylthieno[2,3-d]pyrimidin-4(3H)-one
  • 5-Ethyl-6-methylthieno[2,3-d]pyrimidin-4(3H)-one
  • 5-ETHYL-6-METHYLTHIENO[2,3-D]PYRIMIDIN-4(3H)-ONE
  • 2-mercapto-6-methylthieno[2,3-d]pyrimidin-4(3H)-one
  • 5-(4-Fluorophenyl)-6-methylthieno[2,3-d]pyrimidin-4(3H)-one
  • 3-ethyl-2-mercapto-6-methylthieno[2,3-d]pyrimidin-4(3H)-one
  • [5-(5-Fluoropyridin-2-yl)-1,2-oxazol-3-yl]methanesulfonyl chloride
  • (5-Cyclobutyl-4-ethyl-1,2-oxazol-3-yl)methanesulfonyl chloride
  • (3-Propylphenyl)methanesulfonyl chloride
  • (2-Methyl-6-propylphenyl)methanamine
  • 3-Chloro-5,6,7-trifluoro-1,2-benzothiazole
  • 3-Chloro-7-fluoro-6-methyl-1,2-benzothiazole
  • (4-Bromo-1,2-benzothiazol-3-yl)methanamine
  • 3-amino-N-[1-(azetidin-3-yl)-1H-pyrazol-5-yl]-2-cyclopropylpropanamide
  • N-[1-(azetidin-3-yl)-1H-pyrazol-5-yl]butane-2-sulfonamide
  • Methyl 2-[1-(1-fluoroethenyl)-4-(2-methylbutan-2-yl)cyclohexyl]acetate
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