ChemicalBook > CAS DataBase List > 9,10-Dioxo Ketotifen

9,10-Dioxo Ketotifen

Product Name
9,10-Dioxo Ketotifen
CAS No.
43076-16-0
Chemical Name
9,10-Dioxo Ketotifen
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
CBNumber
CB82544975
Molecular Formula
C19H17NO2S
Formula Weight
323.41
MOL File
43076-16-0.mol
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9,10-Dioxo Ketotifen Property

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)
pka
8.67±0.20(Predicted)
color 
Yellow
Stability:
Light sensitive
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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
Y0000161
Product name
Ketotifen impurity G
Purity
European Pharmacopoeia (EP) Reference Standard
Packaging
y0000161
Price
$220
Updated
2024/03/01
TRC
Product number
D486510
Product name
9,10-DioxoKetotifen
Packaging
50mg
Price
$350
Updated
2021/12/16
Biosynth Carbosynth
Product number
ID22474
Product name
9,10-Dioxo ketotifen
Packaging
50mg
Price
$535
Updated
2021/12/16
Biosynth Carbosynth
Product number
ID22474
Product name
9,10-Dioxo ketotifen
Packaging
25mg
Price
$300
Updated
2021/12/16
Biosynth Carbosynth
Product number
ID22474
Product name
9,10-Dioxo ketotifen
Packaging
2mg
Price
$65
Updated
2021/12/16
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9,10-Dioxo Ketotifen Chemical Properties,Usage,Production

Uses

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

9,10-Dioxo Ketotifen Preparation Products And Raw materials

Raw materials

Preparation Products

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9,10-Dioxo Ketotifen Suppliers

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43076-16-0, 9,10-Dioxo KetotifenRelated Search:

10-(1-methylpiperidin-4-ylidene)-5H-benzo[1,2]cyclohepta[3,4-b]thiophen-4-one 4-Hydroxy Ketotifen 10-Deoxo-9,10-dehydro Ketotifen Ketotifen N-Oxide

  • 4-(1-Methylpiperidin-4-ylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-9,10-dione
  • 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]thiophene-9,10-dione
  • Ketotifen EP Impurity G
  • 9,10-Dioxo Ketotifen
  • 4-(1-Methyl-4-piperidinylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophene-9,10-dione
  • Ketotifen FuMarate EP IMpurity G
  • Ketotifen Impurity 7(Ketotifen EP Impurity G）
  • 4H-Benzo[4,5]cyclohepta[1,2-b]thiophene-9,10-dione, 4-(1-methyl-4-piperidinylidene)-
  • Ketotifen EP Impurity G (9,10-Dioxo Ketotifen)
  • Ketotifen fumarate impurity G
  • 4-(1-Methylpiperidin-4-ylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophene-9,10-dione (Ketotifen Impurity)
  • Ketotifen Hydrogen Fumarate Impurity G
  • Ketotifen Hydrogen Fumarate EP Impurity G
  • 43076-16-0
  • Aromatics, Heterocycles, Impurities, Pharmaceuticals, Intermediates & Fine Chemicals, Sulfur & Selenium Compounds
  • Aromatics
  • Heterocycles
  • Impurities
  • Intermediates & Fine Chemicals
  • Pharmaceuticals
  • Sulfur & Selenium Compounds