í+product nameí+
Levofloxacin acid ester
Chemical name
Ethyl (s)-9, 10-difluoro-3-methyl-7-oxo-2, 3-dihydro-7h-pyrido[1, 2, 3-de]-1, 4-benzoxazine-6-carboxylate
Product brief introduction
This product is a main raw material of synthesis of levofloxacin drug.
Molecular structure
Molecular formula
C15h13f2no4
Molecular weight
309.26
Cas-no.
106939-34-8
Product specification
Appearanceú¦ white or off-white powder
Assayú¦ í²99% (hplc)
Loss on dryingú¦ ín0.5%
Residue on ignitionú¦ ín0.5%
Single impurity: ín0.5%
Specific rotation: ín-68.0o~ -72.0o
Dextral isomer ín0.2%
25kg/drum.
Product name
Levofloxacin carboxylic acid
Chemical name
9, 10-difluoro-2, 3-dihydro-3-methyl-7-oxo-(3s)-7h-pyrido[1, 2, 3-de]-1, 4-benzoxazine-6-carboxylic acid
Product brief introduction
This product is a main raw material of synthesis of levofloxacin series drug.
Molecular structure
Molecular formula
C13h9f2no4
Molecular weight
281.21
Cas-no.
100986-89-8
Product specification
Appearanceú¦ white or off-white powder
Assayú¦ í²99%
Single impurityú¦ ín0.5%
Loss on dryingú¦ ín0.5%
Residue on ignitionú¦ ín0.5%
Specific rotation: -70.0o~-78.0o
Dextral isomer: ín0.2%
25kg/drum
Product name
Oxygen fluorine acid
Chemical name
9, 10-difluoro-2, 3-dihydro-3-methyl-7-oxo-7h-pyrido[1, 2, 3-de]-1, 4-benzoxazine-6-carboxyllic acid
Product brief introduction
This product is a main raw material of synthesis of ofloxacin series drug.
Molecular structure
Molecule formula
C13h9f2no4
Molecular weight
281.21
Cas-no.
82419-35-0
Product specification
Appearanceú¦white or off-white powder
Assayú¦ í²98%
Loss on dryingú¦ ín0.5%
Residue on ignition ín0.5%
25kg/drum
