![Molecular structure of (2Z)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazine-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-one (CAS 764667-65-4)](/images/chem_structures_svg/261/764667-65-4.svg)
(2Z)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazine-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-one
Also known as: Sitagliptin Ketone, Sitagliptin Impurity 4, Sitagliptin-11, Sitagliptin keto amide, 1-(3-(Trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)butane-1,3-dione, 4-oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-one, rac-Sitagliptin 3-Ketone
(2Z)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazine-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-one (CAS 764667-65-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C16H12F6N4O2 and a molecular weight of 406.283 g/mol. Key properties include a melting point of 82-84ºC, a boiling point of 513.9±60.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 264.6±32.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 764667-65-4
- Jingsj CID
- J-941550-3
- Molecular Formula
- C16H12F6N4O2
- Molecular Weight
- 406.283 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 82-84ºC |
|---|---|
| Boiling Point | 513.9±60.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 264.6±32.9 °C |
| Exact Mass | 406.086456 |
| PSA | 68.09000 |
| LogP | 1.46 |
| Vapor Pressure | 0.0±1.3 mmHg at 25°C |
| Refractive Index | 1.580 |
| Storage Conditions | Refrigerator |
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of (2Z)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazine-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-one?
The CAS number of (2Z)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazine-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-one is 764667-65-4.
What are the molecular formula and molecular weight of (2Z)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazine-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-one?
(2Z)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazine-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-one has molecular formula C16H12F6N4O2 and molecular weight 406.283 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(2Z)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazine-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-one (CAS 764667-65-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-941550-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.