ChemicalBook--->CAS DataBase List--->43076-16-0

43076-16-0

43076-16-0 Structure

43076-16-0 Structure
IdentificationBack Directory
[Name]

9,10-Dioxo Ketotifen
[CAS]

43076-16-0
[Synonyms]

9,10-Dioxo Ketotifen
Ketotifen EP Impurity G
Ketotifen fumarate impurity G
Ketotifen FuMarate EP IMpurity G
Ketotifen Hydrogen Fumarate Impurity G
Ketotifen Hydrogen Fumarate EP Impurity G
Ketotifen Impurity 7(Ketotifen EP Impurity G)
Ketotifen EP Impurity G (9,10-Dioxo Ketotifen)
10-(1-methylpiperidin-4-ylidene)benzo[1,2]cyclohepta[3,4-b]thiophene-4,5-dione
4-(1-Methylpiperidin-4-ylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-9,10-dione
4-(1-methylpiperidin-4-ylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophene-9,10-dione
4-(1-Methyl-4-piperidinylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophene-9,10-dione
4H-Benzo[4,5]cyclohepta[1,2-b]thiophene-9,10-dione, 4-(1-methyl-4-piperidinylidene)-
[Molecular Formula]

C19H17NO2S
[MDL Number]

MFCD22666240
[MOL File]

43076-16-0.mol
[Molecular Weight]

323.41
Chemical PropertiesBack Directory
[Melting point ]

200-201 °C (decomp)
[Boiling point ]

505.7±50.0 °C(Predicted)
[density ]

1.310±0.06 g/cm3(Predicted)
[storage temp. ]

Amber Vial, -20°C Freezer, Under Inert Atmosphere
[solubility ]

Chloroform (Slightly), DMSO (Slightly)
[form ]

neat
[pka]

8.67±0.20(Predicted)
[color ]

Yellow
[Stability:]

Light sensitive
[Major Application]

pharmaceutical (small molecule)
[InChI]

1S/C19H17NO2S/c1-20-9-6-12(7-10-20)16-13-4-2-3-5-14(13)17(21)18(22)19-15(16)8-11-23-19/h2-5,8,11H,6-7,9-10H2,1H3
[InChIKey]

SEWPKRUDHMXTMH-UHFFFAOYSA-N
[SMILES]

[s]1c2c(cc1)C(=C4CCN(CC4)C)c3c(cccc3)C(=O)C2=O
Safety DataBack Directory
[WGK Germany ]

WGK 3
[Storage Class]

11 - Combustible Solids
Hazard InformationBack Directory
[Uses]

Ketotifen (K315100) impurity. The 9- and 10-oxo derivatives
[Uses]

Ketotifen (K315100) impurity. The 9- and 10-oxo derivatives of Ketotifen as antihistaminics.
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