926663-00-5

926663-00-5 structure

Name: ethyl 5-oxo-4H,5H-pyrazolo[1,5-a]pyrimidine-3-carboxylate
Chemical Name: ethyl 5-oxo-1H-pyrazolo[1,5-a]pyrimidine-3-carboxylate
CAS Number: 926663-00-5
Molecular Formula: C₉H₉N₃O₃
Molecular Weight: 207.186
Create Date: 2018-12-31 18:37:53
Modify Date: 2025-08-25 14:48:56

Name	ethyl 5-oxo-1H-pyrazolo[1,5-a]pyrimidine-3-carboxylate
Synonyms	Ethyl 5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate Pyrazolo[1,5-a]pyrimidine-3-carboxylic acid, 4,5-dihydro-5-oxo-, ethyl ester ethyl 5-hydroxypyrazolo[1,5-a]pyrimidine-3-carboxylate

Density	1.5±0.1 g/cm3
Boiling Point	339.6±42.0 °C at 760 mmHg
Molecular Formula	C₉H₉N₃O₃
Molecular Weight	207.186
Flash Point	159.2±27.9 °C
Exact Mass	207.064392
PSA	76.46000
LogP	1.98
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.658

HS Code	2933990090

5941-55-9

6994-25-8

~99%

926663-00-5

Literature: ARRAY BIOPHARMA INC.; ALLEN, Shelley; ANDREWS, Steven S.; CONDROSKI, Kevin Ronald; HAAS, Julia; HUANG, Lily; JIANG, Yutong; KERCHER, Timothy; SEO, Jeongbeob Patent: WO2011/6074 A1, 2011 ; Location in patent: Page/Page column 70 ;

6994-25-8

623-47-2

926663-00-5

Literature: WO2012/34095 A1, ; Page/Page column 68 ; WO 2012/034095 A1

Precursor 3
5941-55-9 6994-25-8 623-47-2
DownStream 1
1224944-77-7

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%

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