Chinese Japanese Germany Korea
ChemicalBook >> CAS DataBase List >>Entacapone Impurity 4

Entacapone Impurity 4

Entacapone Impurity 4 Structure
Entacapone Impurity 4 structure
CAS No.
1202160-40-4
Chemical Name:
Entacapone Impurity 4
Synonyms
Entacapone Impurity;Entacapone Impurity 4;Entacapone Impurity 25;(E)-2-Cyano-3-(4-hydroxy-3-methoxy-5-nitrophenyl)acrylic acid;2-Propenoic acid, 2-cyano-3-(4-hydroxy-3-methoxy-5-nitrophenyl)-, (2E)-;(2E)?-2-Cyano-?3-?(4-?hydroxy-?3-?methoxy-?5-?nitrophenyl)?-?2-?propenoic Acid
CBNumber:
CB84800437
Molecular Formula:
C11H8N2O6
Molecular Weight:
264.19
MDL Number:
MOL File:
1202160-40-4.mol
Last updated:2023-06-29 08:28:15
Product description Number Pack Size Price
(2E)​-2-Cyano-​3-​(4-​hydroxy-​3-​methoxy-​5-​nitrophenyl)​-​2-​propenoicAcid C955790 1mg $165
Request For Quotation

Entacapone Impurity 4 Properties

Melting point 214 °C
Boiling point 457.3±45.0 °C(Predicted)
Density 1.563±0.06 g/cm3(Predicted)
pka 0.51±0.10(Predicted)

Entacapone Impurity 4 price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TRC C955790 (2E)​-2-Cyano-​3-​(4-​hydroxy-​3-​methoxy-​5-​nitrophenyl)​-​2-​propenoicAcid 1202160-40-4 1mg $165 2021-12-16 Buy
Product number Packaging Price Buy
C955790 1mg $165 Buy

Entacapone Impurity 4 Chemical Properties,Uses,Production

Uses

(2E)-2-Cyano-3-(4-hydroxy-3-methoxy-5-nitrophenyl)-2-propenoic Acid (Entacapone Impurity 4) is an impurity of Entacapone, which is an isomer of Entacapone polymorphic form A. Entacapone is a selective and reversible catechol-O-methyltransferase (COMT) inhibitor.

Entacapone Impurity 4 synthesis

6635-20-7
372-09-8
1202160-40-4
Synthesis of Entacapone Impurity 4 from 5-Nitrovanillin and Cyanoacetic acid

Entacapone Impurity 4 Preparation Products And Raw materials

Raw materials

Preparation Products

Entacapone Impurity 4 Suppliers

Global( 19)Suppliers
Supplier Tel Email Country ProdList Advantage
Moxin Chemicals 		+86-17320513646 +86-17320513646 anna@molcoo.com China 9998 58
S.Z. PhyStandard Bio-Tech. Co., Ltd. 0755-4000505016 13380397412 3001272453@qq.com China 5000 50
XinYao(Shenzhen) Biological Technology Co., Ltd. 0755-89880280 3004662104@qq.com China 1826 58
Shenzhen Jianyi Biotechnology Co., Ltd 0755-84826604 3001783715@qq.com CHINA 2890 58
Meng Cheng Technology (Shanghai) Co., LTD 400-820-6829 sales@mitachieve.com China 8857 58
Shanghai Botuo Biotechnology Co., LTD 16621358918 botuopharma888@163.com China 9192 58
Molcoo Chemicals Inc. 18627923403 3001039764@qq.com China 8324 58
Huaihua Yuanyanda Biotechnology Co., Ltd 18711085600 1652923704@qq.com China 4626 58
Guangzhou Austine Biotechnology Co., LTD 15918640830 13268843209 1947181658@qq.com China 9029 58
Shanghai YuZn Pharm. Technology Co.,Ltd. 15921286451; 15921286451 2010681527@qq.com China 4917 58
Supplier Advantage
Moxin Chemicals 		58
S.Z. PhyStandard Bio-Tech. Co., Ltd. 50
XinYao(Shenzhen) Biological Technology Co., Ltd. 58
Shenzhen Jianyi Biotechnology Co., Ltd 58
Meng Cheng Technology (Shanghai) Co., LTD 58
Shanghai Botuo Biotechnology Co., LTD 58
Molcoo Chemicals Inc. 58
Huaihua Yuanyanda Biotechnology Co., Ltd 58
Guangzhou Austine Biotechnology Co., LTD 58
Shanghai YuZn Pharm. Technology Co.,Ltd. 58

1202160-40-4(Entacapone Impurity 4)Related Search:

(2E)-2-Cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide (alphaE)-alpha-[(3,4-Dihydroxy-5-nitrophenyl)methylene]-beta-oxo-1-piperidinepropanenitrile (E/Z)-3-O-Methyl Entacapone 3,4-Dihydroxy-5-Nitrobenzoic Acid Entacapone Impurity 10
Entacapone EP IMpurity I 3-Nitro-4,5-dihydroxybenzaldehyde CIS-ENTACAPONE (E)-3-O-Methyl Entacapone Entacapone
6-Methoxy-2,4-dinitrophenol 3,5-DINITROCATECHOL Entacapone 3-b-D-Glucuronide Entacapone Impurity 13 TYRPHOSTIN AG 1290
2-Propenamide, 2-cyano-3-(3,4-dihydroxyphenyl)-N,N-diethyl-, (2E)- Entacapone 4-β-D-Glucuronide

1of4

Entacapone Impurity 4 Entacapone Impurity (2E)?-2-Cyano-?3-?(4-?hydroxy-?3-?methoxy-?5-?nitrophenyl)?-?2-?propenoic Acid Entacapone Impurity 25 (E)-2-Cyano-3-(4-hydroxy-3-methoxy-5-nitrophenyl)acrylic acid 2-Propenoic acid, 2-cyano-3-(4-hydroxy-3-methoxy-5-nitrophenyl)-, (2E)- 1202160-40-4