1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester

1-甲基-3-丙基-1H-吡唑-5-甲酸乙酯

Also known as: 1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester, 1-Methyl-3-n-propylpyrazole-5-carboxylic acid ethyl ester, 1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester, 97%, 1H-Pyrazole-5-carboxylic acid, 1-methyl-3-propyl-, ethyl ester, 2-methyl-5-propyl-2H-pyrazole-3-carboxylic acid ethyl ester, Ethyl 1-methyl-3-propyl-1H-pyrazole-5-carboxylate, Ethyl 1-methyl-3-n-propyl-pyrazole-5-carboxylate, Ethyl 1-methyl-3-propyl-5-pyrazolecarboxylate, Ethyl 2-methyl-5-propylpyrazole-3-carboxylate, Methisosildenafil Impurity 13

1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester (CAS 133261-07-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H16N2O2 and a molecular weight of 196.24600 g/mol. It is also known as 1-Methyl-3-n-propylpyrazole-5-carboxylic acid ethyl ester, 1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester, 97% and 1H-Pyrazole-5-carboxylic acid, 1-methyl-3-propyl-, ethyl ester. Key properties include a boiling point of 331.1ºC at 760 mmHg, a density of 1.106g/cm3 and a flash point of 154ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
133261-07-1
Jingsj CID
J-1371313-9
Molecular Formula
C10H16N2O2
Chinese Name
1-甲基-3-丙基-1H-吡唑-5-甲酸乙酯
Molecular Weight
196.24600 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point331.1ºC at 760 mmHg
Density1.106g/cm3
Flash Point154ºC

Frequently Asked Questions

What is the CAS number of 1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester?

The CAS number of 1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester is 133261-07-1.

What are the molecular formula and molecular weight of 1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester?

1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester has molecular formula C10H16N2O2 and molecular weight 196.24600 g/mol.

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

Last updated:

How to cite: Jingsj. "1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester (CAS 133261-07-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1371313-9 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.