(E)-1-(3-(Trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)but-3-en-1-one
(E)-1-(3-(三氟甲基)-5,6-二氢-[1,2,4]三唑并[4,3-a]吡嗪-7(8H)-基)-4-(2,4,5-三氟苯基)丁-3-烯-1-酮
Also known as: Sitagliptin Impurity 14, Sitagliptin Impurity 02, Sitagliptin Styrylacetyl Analogue, 3-Desamino-3,4-dehydro Sitagliptin, (E)-Sitagliptin Styrylacetyl Analog, Sitagliptin USP Styrylacetyl Analog, Sitagliptin Impurity G (styryl acetyl analogue), Sitagliptin FP Impurity C, Sitagliptin Styryl Analogue
(E)-1-(3-(Trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)but-3-en-1-one (CAS 1803026-58-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C16H12F6N4O and a molecular weight of 390.283 g/mol. It is also known as Sitagliptin Impurity 14, Sitagliptin Impurity 02 and Sitagliptin Styrylacetyl Analogue. Key properties include a boiling point of 504.1±60.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 258.7±32.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1803026-58-5
- Jingsj CID
- J-1527962-2
- Molecular Formula
- C16H12F6N4O
- Chinese Name
- (E)-1-(3-(三氟甲基)-5,6-二氢-[1,2,4]三唑并[4,3-a]吡嗪-7(8H)-基)-4-(2,4,5-三氟苯基)丁-3-烯-1-酮
- Molecular Weight
- 390.283 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 504.1±60.0 °C at 760 mmHg |
|---|---|
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 258.7±32.9 °C |
Frequently Asked Questions
What is the CAS number of (E)-1-(3-(Trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)but-3-en-1-one?
The CAS number of (E)-1-(3-(Trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)but-3-en-1-one is 1803026-58-5.
What are the molecular formula and molecular weight of (E)-1-(3-(Trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)but-3-en-1-one?
(E)-1-(3-(Trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)but-3-en-1-one has molecular formula C16H12F6N4O and molecular weight 390.283 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(E)-1-(3-(Trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)but-3-en-1-one (CAS 1803026-58-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1527962-2 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.