Letrazuril

来曲珠利

Also known as: 2-(2,6-dichloro-4-(3,5-dioxo-4,5-dihydro-1,2,4-triazin-2(3H)-yl)phenyl)-2-(4-fluorophenyl)acetonitrile, 2-[2,6-dichloro-4-(3,5-dioxo-1,2,4-triazin-2-yl)phenyl]-2-(4-fluorophenyl)acetonitrile, Benzeneacetonitrile, 2,6-dichloro-4-(4,5-dihydro-3,5-dioxo-1,2,4-triazin-2(3H)-yl)-α-(4-fluorophenyl)-, LETRAZURIL, Letrazurilo, Letrazurilo [INN-Spanish], Letrazurilum, Letrazurilum [INN-Latin], UNII-U8736VCB22, Letrazuril [INN]

Letrazuril (CAS 103337-74-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C17H9Cl2FN4O2 and a molecular weight of 391.18300 g/mol. It is also known as 2-(2,6-dichloro-4-(3,5-dioxo-4,5-dihydro-1,2,4-triazin-2(3H)-yl)phenyl)-2-(4-fluorophenyl)acetonitrile, 2-[2,6-dichloro-4-(3,5-dioxo-1,2,4-triazin-2-yl)phenyl]-2-(4-fluorophenyl)acetonitrile and Benzeneacetonitrile, 2,6-dichloro-4-(4,5-dihydro-3,5-dioxo-1,2,4-triazin-2(3H)-yl)-α-(4-fluorophenyl)-. Key property: a density of 1.54g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
103337-74-2
Jingsj CID
J-1969062-3
Molecular Formula
C17H9Cl2FN4O2
Chinese Name
来曲珠利
Molecular Weight
391.18300 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Density1.54g/cm3

Frequently Asked Questions

What is the CAS number of Letrazuril?

The CAS number of Letrazuril is 103337-74-2.

What are the molecular formula and molecular weight of Letrazuril?

Letrazuril has molecular formula C17H9Cl2FN4O2 and molecular weight 391.18300 g/mol.

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

Last updated:

How to cite: Jingsj. "Letrazuril (CAS 103337-74-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1969062-3 (accessed 2026-10-24).

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