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2D Structure
Also known as: Sitafloxacin monohydrate, Sitafloxacin, 163253-35-8, 163253-37-0, Sitafloxacin sesquihydrate, Sitafloxacin (monohydrate)
Molecular Formula
C19H20ClF2N3O4
Molecular Weight
427.8  g/mol
InChI Key
ANCJYRJLOUSQBW-JJZGMWGRSA-N
FDA UNII
45IP57B62B

1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 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;hydrate
2.1.2 InChI
InChI=1S/C19H18ClF2N3O3.H2O/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);1H2/t10-,12+,13+;/m0./s1
2.1.3 InChI Key
ANCJYRJLOUSQBW-JJZGMWGRSA-N
2.1.4 Canonical SMILES
C1CC12CN(CC2N)C3=C(C=C4C(=C3Cl)N(C=C(C4=O)C(=O)O)C5CC5F)F.O
2.1.5 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.O
2.2 Other Identifiers
2.2.1 UNII
45IP57B62B
2.3 Synonyms
2.3.1 MeSH Synonyms

1. 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

2. 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

3. Du 6859

4. Du 6859a

5. Du-6859

6. Du-6859a

7. Sitafloxacin

2.3.2 Depositor-Supplied Synonyms

1. Sitafloxacin Monohydrate

2. Sitafloxacin

3. 163253-35-8

4. 163253-37-0

5. Sitafloxacin Sesquihydrate

6. Sitafloxacin (monohydrate)

7. 45ip57b62b

8. Du-6859a

9. 3-quinolinecarboxylic Acid, 7-((7s)-7-amino-5-azaspiro(2.4)hept-5-yl)-8-chloro-6-fluoro-1-((1r,2s)-2-fluorocyclopropyl)-1,4-dihydro-4-oxo-, Hydrate (1:1)

10. 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;hydrate

11. Unii-45ip57b62b

12. Spifloxacin Hydrate

13. Schembl1060786

14. Chembl3989504

15. Amsp00022

16. Hy-b0395b

17. Akos005145900

18. Am85615

19. 3-quinolinecarboxylic Acid, 7-(7-amino-5-azaspiro(2.4)hept-5-yl)-8-chloro-6-fluoro-1-(2-fluorocyclopropyl)-1,4-dihydro-4-oxo-, Monohydrate, (1r-(1alpha(s*),2alpha))-

20. Cs-0009318

21. J-524203

22. Q27258838

23. 3-quinolinecarboxylic Acid, 7-(7-amino-5-azaspiro(2.4)hept-5-yl)-8-chloro-6-fluoro-1-(2-fluorocyclopropyl)-1,4-dihydro-4-oxo-, Monohydrate, (1r-(1.alpha.(s*),2.alpha.))-

24. 3-quinolinecarboxylicacid,7-[(7s)-7-amino-5-azaspiro[2.4]hept-5-yl]-8-chloro-6-fluoro-1-[(1r,2s)-2-fluorocyclopropyl]-1,4-dihydro-4- Oxo-,hydrate (2:3)

25. 3-quinolinecarboxylicacid,7-[(7s)-7-amino-5-azaspiro[2.4]hept-5-yl]-8-chloro-6-fluoro-1-[(1r,2s)-2-fluorocyclopropyl]-1,4-dihydro-4-oxo-,hydrate(2:3)

2.4 Create Date
2006-07-28
3 Chemical and Physical Properties
Molecular Weight 427.8 g/mol
Molecular Formula C19H20ClF2N3O4
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count9
Rotatable Bond Count3
Exact Mass427.1110401 g/mol
Monoisotopic Mass427.1110401 g/mol
Topological Polar Surface Area87.9 Ų
Heavy Atom Count29
Formal Charge0
Complexity761
Isotope Atom Count0
Defined Atom Stereocenter Count3
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count2
4 Pharmacology and Biochemistry
4.1 MeSH Pharmacological Classification

Anti-Bacterial Agents

Substances that inhibit the growth or reproduction of BACTERIA. (See all compounds classified as Anti-Bacterial Agents.)


Topoisomerase II Inhibitors

Compounds that inhibit the activity of DNA TOPOISOMERASE II. Included in this category are a variety of ANTINEOPLASTIC AGENTS which target the eukaryotic form of topoisomerase II and ANTIBACTERIAL AGENTS which target the prokaryotic form of topoisomerase II. (See all compounds classified as Topoisomerase II Inhibitors.)


4.2 ATC Code

J - Antiinfectives for systemic use

J01 - Antibacterials for systemic use

J01M - Quinolone antibacterials

J01MA - Fluoroquinolones

J01MA21 - Sitafloxacin