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Levofloxacin Q-acid

Levofloxacin Q-acid structure

CAS No:
100986-89-8
Formula:
C13H9F2NO4
Chemical Name:
Levofloxacin Q-acid
Synonyms:
7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid,9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-,(3S)-;7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid,9,10-difluoro-2,3-dihydro-3-methyl-7-oxo-,(S)-;(3S)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid;9,10-Difluoro-3-(S)-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid;Levofloxacin Q-acid;(S)-(-)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid;(S)-9,10-Difluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid
Categories:
Pharmaceutical Intermediates > Genitourinary Agents

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Description

Ofloxacin impurity a is a member of quinolines.

Levofloxacin Q-acid Basic Attributes

Molecular Weight：

281.21200

Exact Mass：

281.21

EC Number：

923-011-0

UNII：

08GT8FY84E

DSSTox ID：

DTXSID60143604

HScode：

2934999090

Characteristics

PSA：

68.53000

XLogP3：

2.1

Density：

1.61 g/cm3

Melting Point：

>280 °C (decomp)

Boiling Point：

459.2ºC at 760 mmHg

Flash Point：

231.5ºC

Refractive Index：

1.635

Vapor Pressure：

3.14E-09mmHg at 25°C

Safety Information

Transport codes：

NONH for all modes of transport

wgk germany：

hazard class code：

R36/37/38

safety instructions：

26-36

Marks：

Precautionary statement(s)：

P305 + P351 + P338

Hazard Statements：

H315-H319-H335

GHS Classification：

|Warning|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 41 companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.|Aggregated GHS information provided by 42 companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Levofloxacin Q-acid Use and Manufacturing

Levofloxacin intermediate.

Computed Properties

Molecular Weight:281.21
XLogP3:2.1
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:7
Rotatable Bond Count:1
Exact Mass:281.04996409
Monoisotopic Mass:281.04996409
Topological Polar Surface Area:66.8
Heavy Atom Count:20
Complexity:495
Defined Atom Stereocenter Count:1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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