Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Ethyl 3-oxo-1,2-dihydropyrazole-4-carboxylate
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Ethyl 3-oxo-1,2-dihydropyrazole-4-carboxylate
Price: ￥910.0/1g ￥380.0/250mg ￥1368.0/5g ￥2488.0/10g
Purity: 98.0%
Stocking Period: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1H-Pyrazole-4-carboxylicacid, 2,3-dihydro-3-oxo-, ethyl ester
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

7251-53-8

7251-53-8 structure

7251-53-8 structure

Name: Ethyl 3-oxo-1,2-dihydropyrazole-4-carboxylate
Chemical Name: ethyl 3-oxo-1,2-dihydropyrazole-4-carboxylate
CAS Number: 7251-53-8
Molecular Formula: C₆H₈N₂O₃
Molecular Weight: 156.139
Create Date: 2016-06-11 14:41:01
Modify Date: 2025-09-18 17:48:22

Name	ethyl 3-oxo-1,2-dihydropyrazole-4-carboxylate
Synonyms	Ethyl 5-hydroxy-1H-pyrazole-4-carboxylate 1H-pyrazole-4-carboxylic acid, 5-hydroxy-, ethyl ester 1H-Pyrazole-4-carboxylic acid, 2,3-dihydro-3-oxo-, ethyl ester 3-Oxo-2,3-dihydro-1H-pyrazol-4-carbonsaeure-aethylester ethyl 3-hydroxypyrazole-4-carboxylate Ethyl 3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylate Ethyl 5-hydroxy-4-pyrazolecarboxylate 4-ethoxycarbonyl-1,2-dihydro-3-pyrazolone ethyl 3-oxo-2,3-dihydropyrazole-4-carboxylate 3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylic acid ethyl ester ethyl 3-hydroxy-1H-pyrazole-4-carboxylate 3-Hydroxy-1H-pyrazole-4-carboxylic acid ethyl ester

Density	1.3±0.1 g/cm3
Boiling Point	311.7ºC at 760 mmHg
Molecular Formula	C₆H₈N₂O₃
Molecular Weight	156.139
Flash Point	142.3ºC
Exact Mass	156.053497
PSA	75.21000
LogP	-0.31
Index of Refraction	1.496
Storage condition	2-8°C

Hazard Codes	Xi
HS Code	2933199090

Precursor 6
87-13-8 141-52-6 39513-55-8 18856-68-3
6296-99-7 49597-05-9
DownStream 0

HS Code	2933199090
Summary	2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.