Shanghai Nianxing Industrial Co., Ltd
China
Product Name: PYRAZOLO[1,5-A]PYRIMIDIN-7(4H)-ONE
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: PYRAZOLO[1,5-A]PYRIMIDIN-7(4H)-ONE
Price: ￥2028.0/1g ￥6308.0/5g
Purity: 98.0%
Stocking Period: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: PYRAZOLO[1,5-A]PYRIMIDIN-7(4H)-ONE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

29274-23-5

29274-23-5 structure

29274-23-5 structure

Name: PYRAZOLO[1,5-A]PYRIMIDIN-7(4H)-ONE
Chemical Name: 4H-Pyrazolo[1,5-a]pyrimidin-7-one
CAS Number: 29274-23-5
Molecular Formula: C₆H₅N₃O
Molecular Weight: 135.12300
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyrimidine compound Ketones
Create Date: 2019-01-01 13:41:11
Modify Date: 2025-08-22 11:14:31

Name	4H-Pyrazolo[1,5-a]pyrimidin-7-one
Synonyms	4,7-dihydropyrazolo<1,5-a>pyrimidin-7-one

Density	1.511g/cm3
Boiling Point	297.644ºC at 760 mmHg
Molecular Formula	C₆H₅N₃O
Molecular Weight	135.12300
Flash Point	133.811ºC
Exact Mass	135.04300
PSA	50.42000
LogP	0.43490
Vapour Pressure	0.001mmHg at 25°C
Index of Refraction	1.739

HS Code	2933990090

Precursor 8
874-14-6 1820-80-0 1225387-53-0 109-94-4
141-78-6 197367-75-2 29274-18-8 1117-37-9
DownStream 2
58347-49-2 77494-09-8

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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