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Sigma-Aldrich

9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid

97%

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About This Item

Empirical Formula (Hill Notation):
C13H9F2NO4
CAS Number:
82419-35-0
Molecular Weight:
281.21
MDL number:
MFCD00226106
UNSPSC Code:
12352100
PubChem Substance ID:
24870817
NACRES:
NA.22

Assay

97%

mp

320-322 °C (lit.)

SMILES string

CC1COc2c(F)c(F)cc3C(=O)C(=CN1c23)C(O)=O

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)

InChI key

NVKWWNNJFKZNJO-UHFFFAOYSA-N

Gene Information

human ... CSNK2A1(1457)

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General description

(S)-(-)-9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid may be used in the preparation of the following:
  • kynurenine aminotransferase II (KAT II) inhibitor, [(S)-(-)-9-(4-aminopiperazine-1-yl)-8-fluoro-3-methyl-6-oxo-2,3,5,6-tetrahydro-4H-1-oxa-3a-aza-phenalene-5-carboxylic acid]
  • fused-ring derivatives
  • N-desmethyllevofloxacin

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Precautionary Statements

P261 - P305 + P351 + P338

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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On the relationship between the two branches of the kynurenine pathway in the rat brain in vivo.
Amori L, et al.
Journal of Neurochemistry, 109(2), 316-325 (2009)
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Quinolones rapidly kill bacteria by two mechanisms, one that requires protein synthesis and one that does not. The latter, which is measured as lethal action in the presence of the protein synthesis inhibitor chloramphenicol, is enhanced by N-1 cyclopropyl and

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