ChemicalBook >> CAS DataBase List >>Donepezil Impurity 2

Donepezil Impurity 2

CAS No.
36517-91-6
Chemical Name:
Donepezil Impurity 2
Synonyms
Donepezil-021;Donepezil Impurity 2;5,6-dimethoxyindane-1,3-dion;5,6-dimethoxyindene-1,3-dione;5,6-Dimethoxyindane-1,3-dione;1H-Indene-1,3(2H)-dione, 5,6-dimethoxy-;Donepezil impurity 22/5,6-Dimethoxyindane-1,3-dione
CBNumber:
CB62741796
Molecular Formula:
C11H10O4
Molecular Weight:
206.19
MDL Number:
MFCD25962764
MOL File:
36517-91-6.mol
MSDS File:
SDS
Last updated:2024-04-03 12:01:51

Donepezil Impurity 2 Properties

Melting point 267 °C
Boiling point 391.3±42.0 °C(Predicted)
Density 1.292±0.06 g/cm3(Predicted)
storage temp. Hygroscopic, -20°C Freezer, Under inert atmosphere
solubility Chloroform (Slightly, Heated), Methanol (Slightly)
form Solid
pka 10.78±0.20(Predicted)
color Light Yellow

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P280-P301+P312-P302+P352-P305+P351+P338

Donepezil Impurity 2 price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TRC D447455 5,6-Dimethoxyindane-1,3-dione 36517-91-6 500mg $150 2021-12-16 Buy
TRC D447455 5,6-Dimethoxyindane-1,3-dione 36517-91-6 5g $1190 2021-12-16 Buy
Product number Packaging Price Buy
D447455 500mg $150 Buy
D447455 5g $1190 Buy

Donepezil Impurity 2 Chemical Properties,Uses,Production

Uses

5,6-Dimethoxyindane-1,3-dione is an intermediate in the synthesis of 3-keto Donepezil(K181665), an impurity of Donepezil (D531750), a nootropic. An inhibitor of acetylcholinesterase.

2107-70-2
36517-91-6
Synthesis of Donepezil Impurity 2 from 3,4-Dimethoxyhydrocinnamic acid

Donepezil Impurity 2 Preparation Products And Raw materials

Raw materials

Preparation Products

Donepezil Impurity 2 Suppliers

Global( 47)Suppliers
Supplier Tel Email Country ProdList Advantage
Henan Fengda Chemical Co., Ltd
+86-371-86557731 +86-13613820652 info@fdachem.com China 18232 58
Standardpharm Co. Ltd.
86-714-3992388 overseasales1@yongstandards.com United States 14336 58
China National Standard Pharmaceutical Corporation Limited
+8615391658522 overseasales@yongstandards.com China 11927 58
Amadis Chemical Company Limited
571-89925085 sales@amadischem.com China 131981 58
Adamas Reagent, Ltd. 400-6009262 16621234537 zhangsn@titansci.com China 14113 59
Shanghai Kewel Chemical Co., Ltd. 021-64609169 18901607656 greensnown@163.com China 9911 50
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. 025-66113011 18112977050 cb6@aikonchem.com China 16687 50
Nanjing XiZe Biotechnology CO., Ltd. 025-58362220 15250997978 1511893459@qq.com China 7725 55
BOC Sciences 16314854226 info@bocsci.com United States 9926 65
Zhengzhou AnMusi Chemical Products Co., Ltd. 0371-55289822 18737195735 2370407954@qq.com China 2000 55

View Lastest Price from Donepezil Impurity 2 manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Donepezil Impurity 2 pictures 2024-04-05 Donepezil Impurity 2
36517-91-6
US $34.00-1.20 / kg 1kg 99% g-kg-tons, free sample is available Henan Fengda Chemical Co., Ltd
Donepezil Impurity 2 Donepezil impurity 22/5,6-Dimethoxyindane-1,3-dione 1H-Indene-1,3(2H)-dione, 5,6-dimethoxy- 5,6-Dimethoxyindane-1,3-dione Donepezil-021 5,6-dimethoxyindene-1,3-dione 5,6-dimethoxyindane-1,3-dion 36517-91-6