Ethyl 1,4,5,6-tetrahydrocyclopenta[c]pyrazole-3-carboxylate

1,4,5,6-四氢环戊[c]吡唑-3-甲酸乙酯

Also known as: Ethyl 1,4,5,6-tetrahydrocyclopentapyrazole-3-carboxylate, 1,4,5,6-Tetrahydrocyclopenta[c]pyrazole-3-carboxylic acid ethyl ester, 1,4,5,6-tetrahydrocyclopenta[c]pyrazole-3-carboxylic acid ethyl ester, Cyclopenta[c]pyrazole-3-carboxylic acid, 1,4,5,6-tetrahydro-, ethyl ester, Ethyl 1H,4H,5H,6H-cyclopenta[c]pyrazole-3-carboxylate

CAS No.
5932-31-0
Jingsj CID
J-1172957-2
Molecular Formula
C9H12N2O2
Chinese Name
1,4,5,6-四氢环戊[c]吡唑-3-甲酸乙酯
Molecular Weight
180.204 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point125 °C
Boiling Point384.1±42.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point186.1±27.9 °C

Frequently Asked Questions

What is the CAS number of Ethyl 1,4,5,6-tetrahydrocyclopenta[c]pyrazole-3-carboxylate?

5932-31-0

What are the molecular formula and molecular weight of Ethyl 1,4,5,6-tetrahydrocyclopenta[c]pyrazole-3-carboxylate?

C9H12N2O2, molecular weight 180.204 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026