5,7-DIMETHYLPYRIDO[2,3-D]PYRIMIDIN-4(3H)-ONE

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Names

[ CAS No. ]:
1913-72-0

[ Name ]:
5,7-DIMETHYLPYRIDO[2,3-D]PYRIMIDIN-4(3H)-ONE

[Synonym ]:
5,7-dimethyl-3H-pyrido[2,3-d]pyrimidin-4-one
MFCD00143415
5,7-dimethylpyrido[2,3-d]pyrimidin-4(3H)-one
5,7-Dimethyl-4-hydroxypyrido[2,3-d]pyrimidine
5,7-dimethyl-3-hydropyridino[2,3-d]pyrimidin-4-one

Chemical & Physical Properties

[ Density]:
1.34g/cm3

[ Boiling Point ]:
361.8ºC at 760 mmHg

[ Melting Point ]:
330ºC

[ Molecular Formula ]:
C9H9N3O

[ Molecular Weight ]:
175.18700

[ Flash Point ]:
172.6ºC

[ Exact Mass ]:
175.07500

[ PSA ]:
58.64000

[ LogP ]:
0.93490

[ Vapour Pressure ]:
2.02E-05mmHg at 25°C

[ Index of Refraction ]:
1.669

Safety Information

[ Hazard Codes ]:
Xn: Harmful;

[ Risk Phrases ]:
20/21/22

[ Safety Phrases ]:
36/37

[ HS Code ]:
2933990090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 3,5-dimethyl-9-sulfanylidene-2,8,10-triazabicyclo[4.4.0]deca-2,4,11-trien-7-one
  • 2,4-Pentandione
  • 2-Amino-4,6-dimethylnicotinic acid
  • (Z)-Methanimidic acid

DownStream

Customs

[ HS Code ]: 2933990090

[ Summary ]:
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • 5,7-bis(4-fluorophenyl)-7H-pyrrolo[2,3-d]pyrimidin-4(3H)-one
  • 1-ethyl-2-mercapto-5,7-dimethylpyrido[2,3-d]pyrimidin-4(1H)-one
  • 1-(2,3-dimethylphenyl)-2-mercapto-5,7-dimethylpyrido[2,3-d]pyrimidin-4(1H)-one
  • 1-(2-methoxyphenyl)-2,7-dimethylpyrido[2,3-d]pyrimidin-4-one
  • 5,6-Dimethylthieno[2,3-d]pyrimidin-4(3H)-one
  • 5-Methylfuro[2,3-d]pyrimidin-4(3H)-one