1,7-DIMETHYL-1H-PYRIDO[2,3-D][1,3]OXAZINE-2,4-DIONE

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Names

[ CAS No. ]:
66690-78-6

[ Name ]:
1,7-DIMETHYL-1H-PYRIDO[2,3-D][1,3]OXAZINE-2,4-DIONE

[Synonym ]:
A8977
3-aza-N,4-dimethylisatoic anhydride
1,7-Dimethyl-1H-pyrido[2,3-d][1,3]oxazine-2,4-dione

Chemical & Physical Properties

[ Density]:
1.364g/cm3

[ Boiling Point ]:
349.241ºC at 760 mmHg

[ Molecular Formula ]:
C9H8N2O3

[ Molecular Weight ]:
192.17100

[ Flash Point ]:
165.015ºC

[ Exact Mass ]:
192.05300

[ PSA ]:
65.10000

[ LogP ]:
0.19510

[ Index of Refraction ]:
1.58

Safety Information

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • phosgene
  • 2-Chloro-6-methylnicotinonitrile
  • 6-methyl-2-methylamino-3-pyridinecarbonitrile

DownStream

  • ETHYL 4-HYDROXY-1,7-DIMETHYL-2-OXO-1,2-DIHYDRO-1,8-NAPHTHYRIDINE-3-CARBOXYLATE

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%