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
  • N'-[(E)-(2,4-dihydroxyphenyl)methylidene]-4-methylbenzenesulfonohydrazide
  • 4-[5-(Azidomethyl)furan-2-carbonyl]morpholine
  • (6-Hydroxypyrimidin-4-yl)(2-methylindolin-1-yl)methanone
  • 2-Oxabicyclo[2.1.1]hexan-4-amine
  • Triazene, 3-benzyl-3-hydroxy-1-phenyl-
  • 3-hydroxy-N-[(5Z)-5-(1H-indol-3-ylmethylidene)-4-oxo-2-thioxo-1,3-thiazolidin-3-yl]benzamide
  • Ethyl 2-azabicyclo[2.2.2]octane-4-carboxylate
  • Tridecacyclo[38.6.2.22,5.26,9.210,13.214,17.218,21.222,25.226,29.030,35.033,42.034,39.041,46]dohexaconta-1(46),2(62),3,5(61),6(60),7,9(59),10(58),11,13(57),14(56),15,17(55),18(54),19,21(53),22,24,26,28,30(35),31,33,36,38,40,42,44,47,49,51-hentriacontaene
  • 1-((1-Fluorocyclopropyl)methyl)piperazine hydrochloride
  • 2-(ethylthio)-5-(3-methoxyphenyl)-5,8,9,10-tetrahydropyrimido[4,5-b]quinoline-4,6(3H,7H)-dione