1-Ethyl-4-iodo-1H-pyrazole

1-乙基-4-碘-1H-吡唑

Also known as: 1H-pyrazole, 1-ethyl-4-iodo-, 1-ethyl-4-iodo-pyrazole, 1-ethyl-4-iodopyrazole, N-ethyl-4-iodopyrazole

1-Ethyl-4-iodo-1H-pyrazole (CAS 172282-34-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H7IN2 and a molecular weight of 222.02700 g/mol. It is also known as 1H-pyrazole, 1-ethyl-4-iodo-, 1-ethyl-4-iodo-pyrazole and 1-ethyl-4-iodopyrazole. Key properties include a boiling point of 239.616ºC at 760 mmHg, a density of 1.908 g/cm3 and a flash point of 98.717ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
172282-34-7
Jingsj CID
J-1386447-3
Molecular Formula
C5H7IN2
Chinese Name
1-乙基-4-碘-1H-吡唑
Molecular Weight
222.02700 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point239.616ºC at 760 mmHg
Density1.908 g/cm3
Flash Point98.717ºC

Frequently Asked Questions

What is the CAS number of 1-Ethyl-4-iodo-1H-pyrazole?

The CAS number of 1-Ethyl-4-iodo-1H-pyrazole is 172282-34-7.

What are the molecular formula and molecular weight of 1-Ethyl-4-iodo-1H-pyrazole?

1-Ethyl-4-iodo-1H-pyrazole has molecular formula C5H7IN2 and molecular weight 222.02700 g/mol.

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

Last updated:

How to cite: Jingsj. "1-Ethyl-4-iodo-1H-pyrazole (CAS 172282-34-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1386447-3 (accessed 2026-10-24).

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