ChemicalBook > CAS DataBase List > Donepezil Impurity 2

Donepezil Impurity 2

Product Name
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
Formula Weight
206.19
MOL File
36517-91-6.mol
More
Less

Donepezil Impurity 2 Property

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
More
Less

Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

More
Less

N-Bromosuccinimide Price

TRC
Product number
D447455
Product name
5,6-Dimethoxyindane-1,3-dione
Packaging
500mg
Price
$150
Updated
2021/12/16
TRC
Product number
D447455
Product name
5,6-Dimethoxyindane-1,3-dione
Packaging
5g
Price
$1190
Updated
2021/12/16
More
Less

Donepezil Impurity 2 Chemical Properties,Usage,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.

Donepezil Impurity 2 Preparation Products And Raw materials

Raw materials

Preparation Products

More
Less

Donepezil Impurity 2 Suppliers

Adamas Reagent, Ltd.
Tel
400-6009262 16621234537
Fax
021-64823266
Email
chenyj@titansci.com
Country
China
ProdList
14103
Advantage
59
Shanghai Kewel Chemical Co., Ltd.
Tel
021-64609169 18901607656
Fax
021-64609160
Email
greensnown@163.com
Country
China
ProdList
9906
Advantage
50
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.
Tel
025-66113011 18112977050
Email
cb6@aikonchem.com
Country
China
ProdList
16684
Advantage
50
Nanjing XiZe Biotechnology CO., Ltd.
Tel
025-66023220 0086-15250997978
Fax
025-58362220
Email
1511893459@qq.com
Country
China
ProdList
7850
Advantage
55
BOC Sciences
Tel
16314854226
Email
info@bocsci.com
Country
United States
ProdList
9923
Advantage
65
Zhengzhou AnMusi Chemical Products Co., Ltd.
Tel
0371-55289822 18737195735
Fax
QQ:2370407954
Email
2370407954@qq.com
Country
China
ProdList
1998
Advantage
55
Amadis Chemical Company Limited
Tel
571-89925085
Fax
0086-571-89925065
Email
sales@amadischem.com
Country
China
ProdList
131957
Advantage
58
Hubei Yangxin Medical Technology Co., Ltd.
Tel
15374522761
Fax
QQ:2853117752
Email
3003392093@qq.com
Country
China
ProdList
8369
Advantage
55
Shenzhen SUNGENING Bio-Medical Co., Ltd.
Tel
0755-28967200 13631290199
Fax
0755-28967200
Email
wxf@sungening.com
Country
China
ProdList
9577
Advantage
60
Jiaxing Deyi Chemical Co., Ltd.
Tel
0573-86-0573-85866609 13325730825
Fax
0573-85866609
Email
945717149@qq.com
Country
China
ProdList
8026
Advantage
58
More
Less

View Lastest Price from Donepezil Impurity 2 manufacturers

Henan Fengda Chemical Co., Ltd
Product
Donepezil Impurity 2 36517-91-6
Price
US $34.00-1.20/kg
Min. Order
1kg
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2024-04-03