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Ethyl 3-methyl-1H-pyrazole-5-carboxylate

Also known as: Ethyl 5-methyl-1H-pyrazole-3-carboxylate, 5-Methyl-1H-pyrazole-3-carboxylic acid ethyl ester, 3-Methylpyrazole-5-carboxylic acid ethyl ester, Ethyl 3-methyl-5-pyrazolecarboxylate, 3-Ethoxycarbonyl-5-methylpyrazole, 5-Methylpyrazole-3-carboxylic acid ethyl ester, Ethyl 5-methylpyrazole-3-carboxylate

Ethyl 3-methyl-1H-pyrazole-5-carboxylate (CAS 4027-57-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H10N2O2 and a molecular weight of 154.17 g/mol. Key properties include a melting point of 80-84 °C(lit.), a boiling point of 299.1±20.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 134.7±21.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4027-57-0
Jingsj CID
J-28430-0
Molecular Formula
C7H10N2O2
Molecular Weight
154.17 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point80-84 °C(lit.)
Boiling Point299.1±20.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point134.7±21.8 °C
Exact Mass154.074234
PSA54.98000
LogP1.09
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.520

Customs & Trade Information

HS Code2933199090
Summary2933199090. 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%

Frequently Asked Questions

What is the CAS number of Ethyl 3-methyl-1H-pyrazole-5-carboxylate?

The CAS number of Ethyl 3-methyl-1H-pyrazole-5-carboxylate is 4027-57-0.

What are the molecular formula and molecular weight of Ethyl 3-methyl-1H-pyrazole-5-carboxylate?

Ethyl 3-methyl-1H-pyrazole-5-carboxylate has molecular formula C7H10N2O2 and molecular weight 154.17 g/mol.

What are the upstream and downstream products of Ethyl 3-methyl-1H-pyrazole-5-carboxylate?

For Ethyl 3-methyl-1H-pyrazole-5-carboxylate, Upstream Products: Ethyl 2,4-dioxovalerate, Ethyl diazoacetate, Propionaldehyde; Downstream Products: Methyl 1,5-dimethyl-1H-pyrazole-3-carboxylate, Ethyl 1,5-dimethyl-1H-pyrazole-3-carboxylate, Ethyl 1,3-dimethyl-1H-pyrazole-5-carboxylate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Ethyl 3-methyl-1H-pyrazole-5-carboxylate (CAS 4027-57-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28430-0 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.