Kehua AI (Shenzhen) Innovative Drug R&D Co., Ltd.    Healthy Roots Biotechnology (Shenzhen) Co., Limited    Joint Development

1. Primary Information

English name: 4-Desfluoro Sitagliptin; Sitagliptin EP Impurity B
CAS No.: 486460-31-5
Molecular formula: C16H16F5N5O
Molecular weight: 389.32 g/mol
SMILES: C1CN2C(=NN=C2C(F)(F)F)CN1C(=O)CC(CC3=C(C=CC(=C3)F)F)N
Structural class:
Other identifiers:

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2. Suppliers & Pricing

Supplier Pack size Purity Price (CNY) Storage conditions Lead time Notes
Kehua Intelligence 20mg 98% 720 -20℃ in stock -

3. Structures

3.1 2D structure


3.2 3D structure


4. International Nomenclature & Identifiers

4.1 IUPAC Name

(3R)-3-amino-4-(2,5-difluorophenyl)-1-[3-(trifluoromethyl)-6,8-dihydro-5H-[1,2,4]triazolo[4,3-a]pyrazin-7-yl]butan-1-one


4.2 InChI

InChI=1S/C16H16F5N5O/c17-10-1-2-12(18)9(5-10)6-11(22)7-14(27)25-3-4-26-13(8-25)23-24-15(26)16(19,20)21/h1-2,5,11H,3-4,6-8,22H2/t11-/m1/s1


4.3 InChIKey

ABTMQWQGGARRSK-LLVKDONJSA-N


4.4 Canonical SMILES

C1CN2C(=NN=C2C(F)(F)F)CN1C(=O)CC(CC3=C(C=CC(=C3)F)F)N


4.5 Isomeric SMILES

C1CN2C(=NN=C2C(F)(F)F)CN1C(=O)C[C@@H](CC3=C(C=CC(=C3)F)F)N

4.6 SDF file

Coming soon

5. Spectroscopic data

5.1 13C nuclear magnetic resonance (13C NMR)

5.2 1H nuclear magnetic resonance (1H NMR)

5.3 Mass spectrometry (MS)

Coming soon

5.4 Infrared spectroscopy (IR)

Coming soon

5.5 Ultraviolet/visible spectroscopy (UV/Vis)

Coming soon