ethyl 5-amino-1-(2-nitrophenyl)-1H-pyrazole-4-carboxylate

5-氨基-1-(2-硝基苯基)-1H-吡唑-4-羧酸乙酯

Also known as: 1H-Pyrazole-4-carboxylic acid, 5-amino-1-(2-nitrophenyl)-, ethyl ester, 5-Amino-1-(2-nitrophenyl)-1H-pyrazole-4-carboxylic acid ethyl ester, ethyl 5-amino-1-(2-nitrophenyl)pyrazole-4-carboxylate, 5-amino-1-(2-nitro-phenyl)-1H-pyrazole-4-carboxylic acid ethyl ester

ethyl 5-amino-1-(2-nitrophenyl)-1H-pyrazole-4-carboxylate (CAS 16459-33-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H12N4O4 and a molecular weight of 276.24800 g/mol. It is also known as 1H-Pyrazole-4-carboxylic acid, 5-amino-1-(2-nitrophenyl)-, ethyl ester, 5-Amino-1-(2-nitrophenyl)-1H-pyrazole-4-carboxylic acid ethyl ester and ethyl 5-amino-1-(2-nitrophenyl)pyrazole-4-carboxylate. Key properties include a melting point of 115-116ºC, a boiling point of 464.195ºC at 760 mmHg, a density of 1.459g/cm3 and a flash point of 234.537ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
16459-33-9
Jingsj CID
J-1574521-5
Molecular Formula
C12H12N4O4
Chinese Name
5-氨基-1-(2-硝基苯基)-1H-吡唑-4-羧酸乙酯
Molecular Weight
276.24800 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point115-116ºC
Boiling Point464.195ºC at 760 mmHg
Density1.459g/cm3
Flash Point234.537ºC

Frequently Asked Questions

What is the CAS number of ethyl 5-amino-1-(2-nitrophenyl)-1H-pyrazole-4-carboxylate?

The CAS number of ethyl 5-amino-1-(2-nitrophenyl)-1H-pyrazole-4-carboxylate is 16459-33-9.

What are the molecular formula and molecular weight of ethyl 5-amino-1-(2-nitrophenyl)-1H-pyrazole-4-carboxylate?

ethyl 5-amino-1-(2-nitrophenyl)-1H-pyrazole-4-carboxylate has molecular formula C12H12N4O4 and molecular weight 276.24800 g/mol.

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

Last updated:

How to cite: Jingsj. "ethyl 5-amino-1-(2-nitrophenyl)-1H-pyrazole-4-carboxylate (CAS 16459-33-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1574521-5 (accessed 2026-10-25).

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