(E)-4-(2,4,5-trifluorophenyl)but-2-enoic acid

(E)-4-(2,4,5-三氟苯基)丁-2-烯酸

Also known as: (E)-4-(2,4,5-Trifluorophenyl)but-2-enoic acid, (R)-4,6-dimethoxy-1,3,5-triazin-2-yl 3-amino-4-(2,4,5-trifluorophenyl)butanoate, 2-Butenoic acid, 4-(2,4,5-trifluorophenyl)-, (2E)-, 4-(2,4,5-trifluorophenyl)but-2-enoic acid, Sitagliptin Impurity 67, Sitagliptin impurity 4, Sitagliptin impurity-4Q: What is Sitagliptin impurity-4 Q: What is the CAS Number of Sitagliptin impurity-4

(E)-4-(2,4,5-trifluorophenyl)but-2-enoic acid (CAS 1840966-95-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H7F3O2 and a molecular weight of 216.16 g/mol. It is also known as (E)-4-(2,4,5-Trifluorophenyl)but-2-enoic acid, (R)-4,6-dimethoxy-1,3,5-triazin-2-yl 3-amino-4-(2,4,5-trifluorophenyl)butanoate and 2-Butenoic acid, 4-(2,4,5-trifluorophenyl)-, (2E)-. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1840966-95-1
Jingsj CID
J-196557-3
Molecular Formula
C10H7F3O2
Chinese Name
(E)-4-(2,4,5-三氟苯基)丁-2-烯酸
Molecular Weight
216.16 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of (E)-4-(2,4,5-trifluorophenyl)but-2-enoic acid?

The CAS number of (E)-4-(2,4,5-trifluorophenyl)but-2-enoic acid is 1840966-95-1.

What are the molecular formula and molecular weight of (E)-4-(2,4,5-trifluorophenyl)but-2-enoic acid?

(E)-4-(2,4,5-trifluorophenyl)but-2-enoic acid has molecular formula C10H7F3O2 and molecular weight 216.16 g/mol.

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

Last updated:

How to cite: Jingsj. "(E)-4-(2,4,5-trifluorophenyl)but-2-enoic acid (CAS 1840966-95-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-196557-3 (accessed 2026-10-23).

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