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66558-25-6

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66558-25-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 66558-25-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,5,5 and 8 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 66558-25:
(7*6)+(6*6)+(5*5)+(4*5)+(3*8)+(2*2)+(1*5)=156
156 % 10 = 6
So 66558-25-6 is a valid CAS Registry Number.

66558-25-6SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name ethyl 3-(4-chloroanilino)but-2-enoate

1.2 Other means of identification

Product number -
Other names ethyl 3-(4-chlorophenylamino)but-2-enoate

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:66558-25-6 SDS

66558-25-6Relevant articles and documents

Highly efficient and facile synthesis of β-enaminones catalyzed by diphenylammonium triflate

Zhao, Ting-Ting,Song, Jiang-Long,Hong, Feng-Qing,Xia, Jian-Sheng,Li, Jian-Jun

, p. 2857 - 2868 (2019/08/21)

Abstract: The catalytic performance of diphenylammonium triflates as an organocatalyst in the synthesis of β-enaminones from various substituted β-diketones and amides (or amines) were evaluated. A wide range of β-enaminones were efficiently synthesized in good to excellent yields under mild reaction conditions. Applying diphenylammonium triflate (DPAT) as catalyst makes this protocol cost-effective, low corrosive and easy to handle. Graphic abstract: [Figure not available: see fulltext.].

An efficient chemo-And stereoselective synthesis of enaminones and enaminoesters using (Bromodimethyl)sulfonium bromide under solvent-free conditions

Das, Biswanath,Kanth, Boddu Shashi,Majhi, Anjoy,Reddy, Kongara Ravinder

, p. 630 - 633 (2008/12/22)

(Bromodimethyl)sulfonium bromide has efficiently been employed for chemo- and stereoselective conversions of β-dicarbonyl compounds into β-enaminones and β-enaminoesters by a treatment with amines at room temperature under solvent-free conditions.

Enamination of β-dicarbonyl compounds with amines

Khodaei,Khosropour,Cardel

scheme or table, p. 217 - 221 (2009/04/06)

Enamination of a wide variety of primary amines was successfully described with excellent chemoselectivity in the presence of catalytic amounts of β-cyclodextrin in water under mild conditions. Aliphatic amines also reacted efficiently to produce the corresponding enaminones.

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