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9,10-Dioxo Ketotifen

9,10-Dioxo Ketotifen structure

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 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

CBNumber:: CB82544975

Molecular Formula:: C19H17NO2S

Molecular Weight:: 323.41

MDL Number:: MFCD22666240

MOL File:: 43076-16-0.mol

MSDS File:: SDS

Last updated:2023-05-15 10:43:32

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9,10-Dioxo Ketotifen Properties

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

9,10-Dioxo Ketotifen price More Price(7)

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	y0000161	$220	2024-03-01	Buy
TRC	D486510	9,10-DioxoKetotifen	43076-16-0	50mg	$350	2021-12-16	Buy
Biosynth Carbosynth	ID22474	9,10-Dioxo ketotifen	43076-16-0	50mg	$535	2021-12-16	Buy
Biosynth Carbosynth	ID22474	9,10-Dioxo ketotifen	43076-16-0	25mg	$300	2021-12-16	Buy
Biosynth Carbosynth	ID22474	9,10-Dioxo ketotifen	43076-16-0	2mg	$65	2021-12-16	Buy

Product number	Packaging	Price	Buy
Y0000161	y0000161	$220	Buy
D486510	50mg	$350	Buy
ID22474	50mg	$535	Buy
ID22474	25mg	$300	Buy
ID22474	2mg	$65	Buy

9,10-Dioxo Ketotifen Chemical Properties,Uses,Production

Uses

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

9,10-Dioxo Ketotifen synthesis

Synthesis of 9,10-Dioxo Ketotifen from Benzo[b]thiophen-10-methoxycycloheptanone

9,10-Dioxo Ketotifen Preparation Products And Raw materials

Raw materials

34580-11-5 KETOTIFEN Benzo[b]thiophen-10-methoxycycloheptanone 1-Methylpiperdin-4-ylmagnesium chloride, 0.50 M in THF

Preparation Products

9,10-Dioxo Ketotifen Suppliers

Global( 44)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
sgtlifesciences pvt ltd	+8617013299288	dj@sgtlifesciences.com	China	12382	58
China National Standard Pharmaceutical Corporation Limited	+8615391658522	overseasales@yongstandards.com	China	11927	58
Aladdin Scientific	+1-833-552-7181	sales@aladdinsci.com	United States	57511	58
J & K SCIENTIFIC LTD.	010-82848833 400-666-7788	jkinfo@jkchemical.com	China	96815	76
Chemsky（shanghai）International Co.,Ltd.	021-50135380	shchemsky@sina.com	China	32344	50
BOC Sciences	1-631-485-4226; 16314854226	info@bocsci.com	United States	14059	65
Shanghai TaoSu Biochemical Technology Co., Ltd.	021-33632979	info@tsbiochem.com	China	8073	58
ChemStrong Scientific Co.,Ltd	0755-66853366 13670046396	sales@chem-strong.com	China	17982	56
Shanghai Kewel Chemical Co., Ltd.	021-64609169 18901607656	greensnown@163.com	China	9911	50
BOC Sciences	16314854226	info@bocsci.com	United States	9926	65

Supplier	Advantage
sgtlifesciences pvt ltd	58
China National Standard Pharmaceutical Corporation Limited	58
Aladdin Scientific	58
J & K SCIENTIFIC LTD.	76
Chemsky（shanghai）International Co.,Ltd.	50
BOC Sciences	65
Shanghai TaoSu Biochemical Technology Co., Ltd.	58
ChemStrong Scientific Co.,Ltd	56
Shanghai Kewel Chemical Co., Ltd.	50
BOC Sciences	65

43076-16-0(9,10-Dioxo Ketotifen)Related 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 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 4-(1-Methylpiperidin-4-ylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophene-9,10-dione (Ketotifen Impurity) 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