(3R)-3-Amino-4-(2,4-difluorophenyl)-1-[5,6-dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]-1-butanone
(3R)-3-氨基-4-(2,4-二氟苯基)-1-[5,6-二氢-3-(三氟甲基)-1,2,4-三唑并[4,3-a]吡嗪-7(8H)-基]-1-丁酮
Also known as: Sitagliptin EP Impurity C, 5-Desfluoro Sitagliptin, (R)-3-Amino-4-(2,4-difluorophenyl)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one, Sitagliptin Impurity 16, Sitagliptin Impurity 40
(3R)-3-Amino-4-(2,4-difluorophenyl)-1-[5,6-dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]-1-butanone (CAS 945261-48-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C16H16F5N5O and a molecular weight of 389.32 g/mol. It is also known as Sitagliptin EP Impurity C, 5-Desfluoro Sitagliptin and (R)-3-Amino-4-(2,4-difluorophenyl)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one. Key property: a density of 1.56±0.1 g/cm3 (20 ºC 760 Torr). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 945261-48-3
- Jingsj CID
- J-1528032-1
- Molecular Formula
- C16H16F5N5O
- Chinese Name
- (3R)-3-氨基-4-(2,4-二氟苯基)-1-[5,6-二氢-3-(三氟甲基)-1,2,4-三唑并[4,3-a]吡嗪-7(8H)-基]-1-丁酮
- Molecular Weight
- 389.32 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 1.56±0.1 g/cm3 (20 ºC 760 Torr) |
|---|
Frequently Asked Questions
What is the CAS number of (3R)-3-Amino-4-(2,4-difluorophenyl)-1-[5,6-dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]-1-butanone?
The CAS number of (3R)-3-Amino-4-(2,4-difluorophenyl)-1-[5,6-dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]-1-butanone is 945261-48-3.
What are the molecular formula and molecular weight of (3R)-3-Amino-4-(2,4-difluorophenyl)-1-[5,6-dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]-1-butanone?
(3R)-3-Amino-4-(2,4-difluorophenyl)-1-[5,6-dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]-1-butanone has molecular formula C16H16F5N5O and molecular weight 389.32 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(3R)-3-Amino-4-(2,4-difluorophenyl)-1-[5,6-dihydro-3-(trifluoromethyl)-1,2,4-triazolo[4,3-a]pyrazin-7(8H)-yl]-1-butanone (CAS 945261-48-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1528032-1 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.