Homouric Acid

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Names

[ CAS No. ]:
6713-54-8

[ Name ]:
Homouric Acid

[Synonym ]:
2.4.6.8-Tetrahydroxy-pyrimido<5.4-d>pyrimidin(Oxyhomoharnsaeure)
1,5-dihydro-pyrimido[5,4-d]pyrimidine-2,4,6,8-tetraone
1,5-Dihydropyrimido[5,4-d]pyrimidine-2,4,6,8(3H,7H)-tetrone
Homouric Acid
Oxyhomouric Acid
Pyrimido[5,4-d]pyrimidine-2,4,6,8(3H,7H)-tetrone, 1,5-dihydro-
pyrimido[5,4-d]pyrimidine-2,4,6,8-tetrol
1,5-dihydro-pyrimido[5,4-d]pyrimidinetetraone
1,5-Dihydro-pyrimido[5,4-d]pyrimidintetraon
1,5-dihydropyrimido[5,4-d]pyrimidine-2,4,6,8(3H,7H)tetrone
2,4,6,8-Tetrahydroxypyrimido-[5,4-d]pyrimidine
2,4,6,8-Tetraoxo-octahydro-pyrimido<5,4-d>pyrimidin
Dipyridamole Impurity 8

Chemical & Physical Properties

[ Density]:
2.2±0.1 g/cm3

[ Boiling Point ]:
932.7±75.0 °C at 760 mmHg

[ Molecular Formula ]:
C6H4N4O4

[ Molecular Weight ]:
196.120

[ Flash Point ]:
517.9±37.1 °C

[ Exact Mass ]:
196.023254

[ PSA ]:
132.48000

[ LogP ]:
-2.92

[ Vapour Pressure ]:
0.0±0.3 mmHg at 25°C

[ Index of Refraction ]:
1.964

Safety Information

[ Hazard Codes ]:
Xi

[ HS Code ]:
2933990090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Potassium cyanate
  • 5-amino-2,6-dihydroxypyrimidine-4-carboxylic acid
  • Urea

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

  • Thiovaleric acid S-sec-butyl ester
  • Octanethioic acid S-propyl ester
  • Hexanethioic acid S-decyl ester
  • Thiopropionic acid S-undecyl ester
  • trisporic acid
  • Benzoic acid, 3,4-dihydroxy-, 2-Methylpropyl ester