pyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione

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Names

[ CAS No. ]:
21038-66-4

[ Name ]:
pyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione

[Synonym ]:
pyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione
2,4-dioxo-1,2,3,4-tetrahydropyrido< pyrido<pyrimidine-2,4-dione
1,2,3,4-tetrahydro-2,4-dioxo-pyrido<2,3-d>pyrimidine

Chemical & Physical Properties

[ Density]:
1.4±0.1 g/cm3

[ Melting Point ]:
361℃

[ Molecular Formula ]:
C7H5N3O2

[ Molecular Weight ]:
163.133

[ Exact Mass ]:
163.038177

[ PSA ]:
78.61000

[ LogP ]:
-0.80

[ Index of Refraction ]:
1.594

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
Xn

[ HS Code ]:
2933990090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 2-Aminonicotinic acid
  • Urea
  • Potassium cyanate
  • Pyridine-2,3-dicarboxamide
  • 2-(methylthio)pyrido[2,3-d]pyrimidin-4(3H)-one hydrochloride
  • 2-acetamido-3-picoline
  • 6-Aminouracil
  • 1,1,3-triethoxy-3-methoxy-propane
  • 2-Chloronicotinyl chloride

DownStream

  • 2-Chloro-pyrido[2,3-d]pyrimidine
  • 4-Chloropyrido[2,3-d]pyrimidine
  • 2,4-DICHLOROPYRIDO[2,3-D]PYRIMIDINE
  • 2,4,7-Trichloropyrido[3,2-d]pyrimidine
  • Pyrido[2,3-d]pyrimidin-4(1H)-one
  • Pyrido[2,3-d]pyrimidin-4-amine (9CI)
  • 1,3-Dimethylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione
  • 4-THIOXO-3,4-DIHYDROPYRIDO[2,3-D]PYRIMIDIN-2(1H)-ONE
  • 2-THIOXO-2,3-DIHYDROPYRIDO[2,3-D]PYRIMIDIN-4(1H)-ONE

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

  • pyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione
  • 6-bromopyrido[2,3-D]pyrimidine-2,4(1H,3H)-dione
  • 6-bromopyrido[2,3-D]pyrimidine-2,4(1H,3H)-dione
  • 6-AMINOPYRIDO[2,3-D]PYRIMIDINE-2,4(1H,3H)-DIONE
  • Pyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione,8-oxide
  • 7-ethoxypyrido[2,3-d]pyrimidine-2,4(1h,3h)-dione
  • 3-(2-(4-(3-chlorophenyl)piperazin-1-yl)-2-oxoethyl)-6-methyl-2H-thiazolo[3,2-a]pyrimidin-5(3H)-one
  • 4-(3-(4-chlorophenyl)-6-oxopyridazin-1(6H)-yl)-N-(3,5-dimethoxyphenyl)butanamide
  • 3-(2-(4-(4-fluorophenyl)piperazin-1-yl)-2-oxoethyl)-6-methyl-2H-thiazolo[3,2-a]pyrimidin-5(3H)-one
  • 4-(3-(4-chlorophenyl)-6-oxopyridazin-1(6H)-yl)-N-(p-tolyl)butanamide
  • 3-{2-[4-(2-methoxyphenyl)piperazin-1-yl]-2-oxoethyl}-6-methyl-2H,3H,5H-[1,3]thiazolo[3,2-a]pyrimidin-5-one
  • N-(5-chloro-2-methoxyphenyl)-4-(3-(4-chlorophenyl)-6-oxopyridazin-1(6H)-yl)butanamide
  • N-([1,1'-biphenyl]-2-yl)-4-(3-(4-chlorophenyl)-6-oxopyridazin-1(6H)-yl)butanamide
  • N-{2-[4-(dimethylamino)phenyl]ethyl}adamantane-1-carboxamide
  • 4-(3-(4-chlorophenyl)-6-oxopyridazin-1(6H)-yl)-N-(6-methylbenzo[d]thiazol-2-yl)butanamide
  • 2-{6-methyl-5-oxo-2H,3H,5H-[1,3]thiazolo[3,2-a]pyrimidin-3-yl}-N-[3-(propan-2-yloxy)propyl]acetamide
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