PYRAZOLO[1,5-A]PYRIMIDINE-5,7(4H,6H)-DIONE

Modify Date: 2025-08-24 19:32:25

PYRAZOLO[1,5-A]PYRIMIDINE-5,7(4H,6H)-DIONE Structure
PYRAZOLO[1,5-A]PYRIMIDINE-5,7(4H,6H)-DIONE structure
 Common Name PYRAZOLO[1,5-A]PYRIMIDINE-5,7(4H,6H)-DIONE
CAS Number 57489-70-0 Molecular Weight 151.12300
Density 1.741 g/cm3 Boiling Point 290.61ºC at 760 mmHg
Molecular Formula C6H5N3O2 Melting Point N/A
MSDS N/A Flash Point 129.556ºC

 Names

Name 7-hydroxy-1H-pyrazolo[1,5-a]pyrimidin-5-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.741 g/cm3
Boiling Point 290.61ºC at 760 mmHg
Molecular Formula C6H5N3O2
Molecular Weight 151.12300
Flash Point 129.556ºC
Exact Mass 151.03800
PSA 70.65000
LogP 0.14050
Index of Refraction 1.793

 Safety Information

HS Code 2933990090

 Synthetic Route

3-Aminopyrazole structure

3-Aminopyrazole

CAS#:1820-80-0

Diethyl malonate structure

Diethyl malonate

CAS#:105-53-3

~79%

PYRAZOLO[1,5-A]PYRIMIDINE-5,7(4H,6H)-DIONE Structure

PYRAZOLO[1,5-A]...

CAS#:57489-70-0

Literature: SCHERING CORPORATION; MENG, Zhaoyang; REDDY, Panduranga Adulla, P.; SIDDIQUI, M. Arshad; MANDAL, Amit, K.; LIU, Duan; ZHAO, Lianyun; MCRINER, Andrew Patent: WO2012/27234 A1, 2012 ; Location in patent: Page/Page column 39; 40 ; WO 2012/027234 A1
1H-PYRAZOL-5-AMINE structure

1H-PYRAZOL-5-AMINE

CAS#:1225387-53-0

Diethyl malonate structure

Diethyl malonate

CAS#:105-53-3

~%

PYRAZOLO[1,5-A]PYRIMIDINE-5,7(4H,6H)-DIONE Structure

PYRAZOLO[1,5-A]...

CAS#:57489-70-0

Literature: ACS Medicinal Chemistry Letters, , vol. 1, # 5 p. 204 - 208

 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%

 Synonyms

MFCD21607093
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Chemsrc provides CAS#:57489-70-0 MSDS, density, melting point, boiling point, structure, etc. Its name is PYRAZOLO[1,5-A]PYRIMIDINE-5,7(4H,6H)-DIONE>> amp version: PYRAZOLO[1,5-A]PYRIMIDINE-5,7(4H,6H)-DIONE

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