Pyrazolo[1,5-a]pyrimidin-5-ol

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Names

[ CAS No. ]:
29274-22-4

[ Name ]:
Pyrazolo[1,5-a]pyrimidin-5-ol

[Synonym ]:
5-Oxo-4,5-dihydropyrazolo<1,5-a>pyrimidin
5-Hydroxypyrazolo[1,5-a]pyrimidine
pyrazolo[1,5-a]pyrimidin-5-ol
Pyrazolo[1,5-a]pyrimidin-5(4H)-one

Chemical & Physical Properties

[ Density]:
1.5±0.1 g/cm3

[ Boiling Point ]:
243.174ºC at 760 mmHg

[ Molecular Formula ]:
C6H5N3O

[ Molecular Weight ]:
135.123

[ Flash Point ]:
100.868ºC

[ Exact Mass ]:
135.043259

[ PSA ]:
50.42000

[ LogP ]:
0.18

[ Vapour Pressure ]:
0.033mmHg at 25°C

[ Index of Refraction ]:
1.739

Safety Information

[ Hazard Codes ]:
Xi

[ HS Code ]:
2933990090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • sodium;pyrazolo[1,5-a]pyrimidin-4-id-5-one
  • 1,3-Dimethyluracil
  • 1H-PYRAZOL-5-AMINE
  • 3-Aminopyrazole
  • Ethyl propiolate
  • Ethyl 3-ethoxy-2-propenoate
  • methylpropiolate

DownStream

  • 3-Bromo-5-chloropyrazolo[1,5-a]pyrimidine
  • 3-Bromopyrazolo[1,5-a]pyrimidin-5(4H)-one
  • 5-Chloropyrazolo[1,5-a]pyrimidine

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

  • pyrazolo[1,5-a]pyrimidin-5-ol
  • 7-Aminopyrazolo[1,5-a]pyrimidin-5-ol
  • 3-bromopyrazolo[1,5-a]pyrimidin-5-ol
  • 2-Bromopyrazolo[1,5-a]pyrimidin-5-ol
  • 7-methylpyrazolo[1,5-a]pyrimidin-5-ol
  • 2-methyl-pyrazolo[1,5-a]pyrimidin-5-ol
  • 2-Methoxy-4-((2-((4-methoxyphenyl)carbamothioyl)hydrazono)methyl)phenyl 3-bromobenzoate
  • 3,4-Dichloro-N-(2-(2-(furan-2-ylmethylene)hydrazinyl)-2-oxoethyl)benzamide
  • 3-((2-(Pyrazine-2-carbonyl)hydrazono)methyl)phenyl 2,4-dichlorobenzoate
  • 2-(2-(2-((2-Chloro-7-methylquinolin-3-yl)methylene)hydrazinyl)-2-oxoacetamido)-N-phenylbenzamide
  • N'-((1-Phenyl-3-(4-propoxyphenyl)-1H-pyrazol-4-yl)methylene)-4-propoxybenzohydrazide
  • N'-((3-(4-(Benzyloxy)phenyl)-1-phenyl-1H-pyrazol-4-yl)methylene)benzenesulfonohydrazide
  • Methyl 4-(2-((2-(anilinocarbonyl)anilino)(oxo)acetyl)carbohydrazonoyl)benzoate
  • 3-(2-(Oxo(3-toluidino)acetyl)carbohydrazonoyl)phenyl 4-methoxybenzoate
  • 4-((2-(2-((3-Methoxyphenyl)amino)-2-oxoacetyl)hydrazono)methyl)phenyl benzoate
  • 4-((2-(2-Oxo-2-(m-tolylamino)acetyl)hydrazono)methyl)phenyl 3,4-dimethoxybenzoate
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