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ethyl 5-(aminosulfonyl)-1-methyl-1H-pyrazole-4-carboxylate

Also known as: 1-METHYL-4-ETHYLFORMATE-5-PYRAZOLE SULFONAMIDE, 1-Methyl-4-ethylformate-5-pyrazole sulfonamide, 1-methyl-4-ethylformate-5-pyrazole sulphonamide, 5-(AMINOSULFONYL)-1-METHYL-1H-PYRAZOLE-4-CARBOXYLIC ACID ETHYL ESTER, ETHYL 1-METHYL-5-SULFAMOYL-PYRAZOLE-4-CARBOXYLATE, Ethyl 1-methyl-5-sulfamoylpyrazole-4-carboxylate, ethyl 1-methyl-5-sulfamoyl-1H-pyrazole-4-carboxylate, ethyl 5-(aminosulfonyl)-1-methyl-1H-pyrazole-4-carboxylate, 1-methyl-5-sulfamoyl-4-pyrazolecarboxylic acid ethyl ester, 1-methyl-4-ethylcarboxylate pyrazolesulfonamide

ethyl 5-(aminosulfonyl)-1-methyl-1H-pyrazole-4-carboxylate (CAS 88398-81-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H11N3O4S and a molecular weight of 233.24500 g/mol. Key properties include a boiling point of 449.504ºC at 760 mmHg and a density of 1.54 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
88398-81-6
Jingsj CID
J-1151189-0
Molecular Formula
C7H11N3O4S
Molecular Weight
233.24500 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point449.504ºC at 760 mmHg
Density1.54 g/cm3
Exact Mass233.04700
PSA112.66000
LogP1.02530
Refractive Index1.614

Customs & Trade Information

HS Code2935009090
Summary2935009090 other sulphonamides VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:35.0%

Frequently Asked Questions

What is the CAS number of ethyl 5-(aminosulfonyl)-1-methyl-1H-pyrazole-4-carboxylate?

The CAS number of ethyl 5-(aminosulfonyl)-1-methyl-1H-pyrazole-4-carboxylate is 88398-81-6.

What are the molecular formula and molecular weight of ethyl 5-(aminosulfonyl)-1-methyl-1H-pyrazole-4-carboxylate?

ethyl 5-(aminosulfonyl)-1-methyl-1H-pyrazole-4-carboxylate has molecular formula C7H11N3O4S and molecular weight 233.24500 g/mol.

What are the upstream and downstream products of ethyl 5-(aminosulfonyl)-1-methyl-1H-pyrazole-4-carboxylate?

For ethyl 5-(aminosulfonyl)-1-methyl-1H-pyrazole-4-carboxylate, Upstream Products: Ethyl 1-methyl-1H-pyrazole-4-carboxylate, Pyrazosulfuron-ethyl; Downstream Products: N-(Methoxycarbonyl)-4-(ethoxycarbonyl)-1-methylpyrazole-5-sulfonamide.

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 5-(aminosulfonyl)-1-methyl-1H-pyrazole-4-carboxylate (CAS 88398-81-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1151189-0 (accessed 2026-11-09).

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