9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid , 97% , 82419-35-0

CAS NO.：82419-35-0

Empirical Formula: C13H9F2NO4

Molecular Weight: 281.21

MDL number: MFCD00226106

EINECS: 700-160-8

PRODUCT Properties

• Melting point: 320-322 °C (lit.)
• Boiling point: 459.2±45.0 °C(Predicted)
• Density: 1.61±0.1 g/cm3(Predicted)
• storage temp.: 2-8°C
• solubility: DMSO (Slightly, Heated)
• pka: 4.87±0.40(Predicted)
• form: solid
• color: Off-White
• BRN: 4202751
• InChI: 1S/C13H9F2NO4/c1-5-4-20-12-9(15)8(14)2-6-10(12)16(5)3-7(11(6)17)13(18)19/h2-3,5H,4H2,1H3,(H,18,19)
• InChIKey: NVKWWNNJFKZNJO-UHFFFAOYSA-N
• SMILES: CC1COc2c(F)c(F)cc3C(=O)C(=CN1c23)C(O)=O
• CAS DataBase Reference: 82419-35-0(CAS DataBase Reference)

Description and Uses

9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid (Ofloxacin EP Impurity A) is an Ofloxacin intermediate.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H319-H335
• Precautionary statements: P261-P305+P351+P338
• PPE: dust mask type N95 (US), Eyeshields, Gloves
• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 26-36
• WGK Germany: 3
• HS Code: 29349990
• Storage Class: 11 - Combustible Solids
• Hazard Classifications: Eye Irrit. 2; Skin Irrit. 2; STOT SE 3