ChemicalBook >> CAS DataBase List >>9,10-Dioxo Ketotifen
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
- Molecular Weight:
- 323.41
- MDL Number:
- MFCD22666240
- MOL File:
- 43076-16-0.mol
- MSDS File:
- SDS
Last updated:2026-01-13 11:25:28
| Product description | Number | Pack Size | Price |
| Ketotifen impurity G European Pharmacopoeia (EP) Reference Standard | Y0000161 | 23 μg | $254 |
| Ketotifen impurity G European Pharmacopoeia (EP) Reference Standard | Y0000161 | y0000161 | $220 |
| 9,10-Dioxo ketotifen | ID22474 | 1mg | $150 |
| 9,10-Dioxo ketotifen | ID22474 | 2mg | $162.26 |
| 9,10-Dioxo ketotifen | ID22474 | 5mg | $259.6 |
| More product size | |||
| 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 |
| 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 |
| UNSPSC Code | 41116107 |
| NACRES | NA.24 |
9,10-Dioxo Ketotifen price More Price(18)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | Y0000161 | Ketotifen impurity G European Pharmacopoeia (EP) Reference Standard | 43076-16-0 | 23 μg | $254 | 2026-04-30 | Buy |
| Sigma-Aldrich | Y0000161 | Ketotifen impurity G European Pharmacopoeia (EP) Reference Standard | 43076-16-0 | y0000161 | $220 | 2024-03-01 | Buy |
| Biosynth | ID22474 | 9,10-Dioxo ketotifen | 43076-16-0 | 1mg | $150 | 2026-06-04 | Buy |
| Biosynth | ID22474 | 9,10-Dioxo ketotifen | 43076-16-0 | 2mg | $162.26 | 2026-06-04 | Buy |
| Biosynth | ID22474 | 9,10-Dioxo ketotifen | 43076-16-0 | 5mg | $259.6 | 2026-06-04 | Buy |
9,10-Dioxo Ketotifen Preparation Products And Raw materials
Raw materials
Preparation Products
Global( 60)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Shaanxi Dideu Medichem Co. Ltd | +86-29-81139210 +86-18192627656 | 1059@dideu.com | China | 3703 | 58 |
| sgtlifesciences pvt ltd | +8617013299288 | dj@sgtlifesciences.com | China | 12373 | 58 |
| Aladdin Scientific | tp@aladdinsci.com | United States | 57505 | 58 | |
| Moxin Chemicals | +86-17320513646 +8617320513646 | anna@molcoo.com | China | 10000 | 58 |
| Sinco Pharmachem (ShenZhen) R&D Co., Ltd. | +undefined18603013401 | jack.lin@sincopharmachem.com | China | 10000 | 58 |
| QUALITY CONTROL SOLUTIONS LTD. | +86-0755-66853366 +8613670046396 | export03@qcsrm.com | China | 24342 | 58 |
| Tianjin Aiyuxuan Pharmaceutical Technology?Co.,Ltd | 13312134804 | mark_zhang@yuxuanpharm.com | China | 344 | 58 |
| J & K SCIENTIFIC LTD. | 18210857532; 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Chemsky（shanghai）International Co.,Ltd. | 021-50135380 | shchemsky@sina.com | China | 32321 | 50 |
| BOC Sciences | 1-631-485-4226; 16314854226 | info@bocsci.com | United States | 9920 | 65 |
View Lastest Price from 9,10-Dioxo Ketotifen manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2025-12-12 | 9,10-Dioxo Ketotifen
43076-16-0
|
$1.00-22.00 | 1KG | 99% | 100000KG | Shaanxi Dideu Medichem Co. Ltd |
-
- 9,10-Dioxo Ketotifen
43076-16-0
- $1.00-22.00
- 99%
- Shaanxi Dideu Medichem Co. Ltd
43076-16-0(9,10-Dioxo Ketotifen)Related Search:
4-(1-Methylpiperidin-4-ylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-9,10-dione
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
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
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
Ketotifen Hydrogen Fumarate EP Impurity G
4-(1-Methylpiperidin-4-ylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophene-9,10-dione (Ketotifen Impurity)
4-(1-Methylpiperidin-4-ylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-9,10-dione (9,10-Dioxoketotif
4-(1-Methylpiperidin-4-ylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-9,10-dione (9,10-Dioxoketotifen)
Ketotifen hydrogen fumarate Imp. G (EP): 4-(1-methylpiperidin-4-ylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-9,10-dione
Ketotifen Hydrogen Fumarate 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
