5-Ethyl-2H-pyrazole-3-carboxylic acid ethyl ester

Modify Date: 2025-09-21 15:13:29

5-Ethyl-2H-pyrazole-3-carboxylic acid ethyl ester Structure
5-Ethyl-2H-pyrazole-3-carboxylic acid ethyl ester structure
Common Name 5-Ethyl-2H-pyrazole-3-carboxylic acid ethyl ester
CAS Number 26308-40-7 Molecular Weight 168.19300
Density N/A Boiling Point N/A
Molecular Formula C8H12N2O2 Melting Point N/A
MSDS N/A Flash Point N/A

 Names

Name Ethyl 3-ethyl-1H-pyrazole-5-carboxylate
Synonym More Synonyms

 Chemical & Physical Properties

Molecular Formula C8H12N2O2
Molecular Weight 168.19300
Exact Mass 168.09000
PSA 54.98000
LogP 1.14880
InChIKey YFONSBZEAHNVCW-UHFFFAOYSA-N
SMILES CCOC(=O)c1cc(CC)[nH]n1

 Safety Information

HS Code 2933199090

 Synthetic Route

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5-Ethyl-2H-pyrazole-3-carboxylic acid ethyl ester Structure

5-Ethyl-2H-pyra...

CAS#:26308-40-7

Literature: Pfizer Inc. Patent: US6251904 B1, 2001 ;

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5-Ethyl-2H-pyrazole-3-carboxylic acid ethyl ester Structure

5-Ethyl-2H-pyra...

CAS#:26308-40-7

Literature: Pfizer Inc. Patent: US6350751 B1, 2002 ; Location in patent: Page column 9 ;

~%

5-Ethyl-2H-pyrazole-3-carboxylic acid ethyl ester Structure

5-Ethyl-2H-pyra...

CAS#:26308-40-7

Literature: GLAXO GROUP LIMITED Patent: WO2009/147188 A1, 2009 ; Location in patent: Page/Page column 110-111 ; WO 2009/147188 A1

~%

5-Ethyl-2H-pyrazole-3-carboxylic acid ethyl ester Structure

5-Ethyl-2H-pyra...

CAS#:26308-40-7

Literature: Pfizer Inc. Patent: US6723719 B1, 2004 ; Location in patent: Page column 44 ;

~88%

5-Ethyl-2H-pyrazole-3-carboxylic acid ethyl ester Structure

5-Ethyl-2H-pyra...

CAS#:26308-40-7

Literature: Song, Hongjian; Liu, Yuxiu; Xiong, Lixia; Li, Yongqiang; Yang, Na; Wang, Qingmin Journal of Agricultural and Food Chemistry, 2012 , vol. 60, # 6 p. 1470 - 1479

 Customs

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%

 Synonyms

ethyl 3-ethyl-1 H-pyrazole-5-carboxylate
5-ethyl-1(2)H-pyrazole-3-carboxylic acid ethyl ester
3-Ethylpyrazol-5-carbonsaeure-ethylester
5-ethylhexahydro-1,3,5-triazin-2-one
5-ethyl-[1,3,5]triazinan-2-one
1-Ethyl-hexahydro-s-triazin-4-on
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