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

1. Primary Information

English name: Sitafloxacin
CAS No.: 127254-12-0
Molecular formula: C19H18ClF2N3O3
Molecular weight: 409.8 g/mol
SMILES: C1CC12CN(CC2N)C3=C(C=C4C(=C3Cl)N(C=C(C4=O)C(=O)O)C5CC5F)F
Structural class:
Other identifiers:

7-((7S)-amino-5-azaspiro(2,4)heptan-5-yl)-8-chloro-6-fluoro-1-((1R,2R)-cis-2-fluoro-1-cyclopropyl)-1,4-dihydro-4-oxoquinolone-3-carboxylic acid

7-(7-amino-5-azaspiro(2.4)heptan-5-yl)-8-chloro-6-fluoro-1-(2-fluorocyclopropyl)-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid sesquihydrate

DU 6859

DU 6859A

DU-6859

2. Suppliers & Pricing

Supplier Pack size Purity Price (CNY) Storage conditions Lead time Notes
Kehua Intelligence 5mg HPLC≥98.5% 240 2-8℃ in stock -

3. Structures

3.1 2D structure


3.2 3D structure


4. International Nomenclature & Identifiers

4.1 IUPAC Name

7-[(7S)-7-amino-5-azaspiro[2.4]heptan-5-yl]-8-chloro-6-fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-4-oxoquinoline-3-carboxylic acid


4.2 InChI

InChI=1S/C19H18ClF2N3O3/c20-14-15-8(17(26)9(18(27)28)5-25(15)12-4-10(12)21)3-11(22)16(14)24-6-13(23)19(7-24)1-2-19/h3,5,10,12-13H,1-2,4,6-7,23H2,(H,27,28)/t10-,12+,13+/m0/s1


4.3 InChIKey

PNUZDKCDAWUEGK-CYZMBNFOSA-N


4.4 Canonical SMILES

C1CC12CN(CC2N)C3=C(C=C4C(=C3Cl)N(C=C(C4=O)C(=O)O)C5CC5F)F


4.5 Isomeric SMILES

C1CC12CN(C[C@H]2N)C3=C(C=C4C(=C3Cl)N(C=C(C4=O)C(=O)O)[C@@H]5C[C@@H]5F)F

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