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

1. Primary Information

English name: Linagliptin
CAS No.: 668270-12-0
Molecular formula: C25H28N8O2
Molecular weight: 472.5 g/mol
SMILES: CC#CCN1C2=C(N=C1N3CCCC(C3)N)N(C(=O)N(C2=O)CC4=NC5=CC=CC=C5C(=N4)C)C
Structural class:
Other identifiers:

(R)-8-(3-amino-piperidin-1-yl)-7-but-2-ynyl-3-methyl-1-(4-methyl-quinazolin-2-ylmethyl)-3,7-dihydro-purine-2,6-dione

1356, BI

1H-purine-2,6-dione, 8-((3r)-3-amino-1-piperidinyl)-7-(2-butynyl)-3,7-dihydro-3-methyl-1-((4-methyl-2-quinazolinyl)methyl)-

BI 1356

BI-1356

2. Suppliers & Pricing

Supplier Pack size Purity Price (CNY) Storage conditions Lead time Notes
Kehua Intelligence 5mg HPLC≥98% 192 -20℃ in stock -
Kehua Intelligence 100mg ≥99% 31 -20℃ in stock -
Kehua Intelligence 500mg ≥99% 76 -20℃ in stock -
Kehua Intelligence 1g ≥99% 120 -20℃ in stock -
Kehua Intelligence 5g ≥99% 358 -20℃ in stock -
Kehua Intelligence 25g ≥99% 1760 -20℃ in stock -

3. Structures

3.1 2D structure


3.2 3D structure


4. International Nomenclature & Identifiers

4.1 IUPAC Name

8-[(3R)-3-aminopiperidin-1-yl]-7-but-2-ynyl-3-methyl-1-[(4-methylquinazolin-2-yl)methyl]purine-2,6-dione


4.2 InChI

InChI=1S/C25H28N8O2/c1-4-5-13-32-21-22(29-24(32)31-12-8-9-17(26)14-31)30(3)25(35)33(23(21)34)15-20-27-16(2)18-10-6-7-11-19(18)28-20/h6-7,10-11,17H,8-9,12-15,26H2,1-3H3/t17-/m1/s1


4.3 InChIKey

LTXREWYXXSTFRX-QGZVFWFLSA-N


4.4 Canonical SMILES

CC#CCN1C2=C(N=C1N3CCCC(C3)N)N(C(=O)N(C2=O)CC4=NC5=CC=CC=C5C(=N4)C)C


4.5 Isomeric SMILES

CC#CCN1C2=C(N=C1N3CCC[C@H](C3)N)N(C(=O)N(C2=O)CC4=NC5=CC=CC=C5C(=N4)C)C

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