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Properties of substance:

1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one



skc-file

Synonyms:

allopurinol

Group of substances:

organic

Physical appearance:

crystals

Empirical formula (Hill's system for organic substances):

C5H4N4O

Molar/atomic mass: 136.111

Decomposition temperature (°C):

300

CAS №: 315-30-0

Solubility (g/100 g of solvent):

1-octanol: practically insoluble [Ref.]
chloroform: 0.04 (20°C) [Ref.]
dimethylsulfoxide: 0.42 (20°C) [Ref.]
ethanol: 0.038 (20°C) [Ref.]
water: 0.05 (22°C) [Ref.]

References:

  1. Clarke's isolation and identification of drugs. - 2ed. - London: Pharmaceutical press, 1986. - pp. 327-328
  2. Milne G.W.A. Gardner's Commercially Important Chemicals. - Wiley-Interscience, 2005. - pp. 18
  3. Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 137
  4. Корольченко А.Я., Корольченко Д.А. Пожаровзрывоопасность веществ и материалов и средства их тушения. - 2 изд, Ч.1. - М.: Ассоциация Пожнаука, 2004. - pp. 143 [Russian]
  5. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 26 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru