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2431-23-4

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2431-23-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2431-23-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,4,3 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 2431-23:
(6*2)+(5*4)+(4*3)+(3*1)+(2*2)+(1*3)=54
54 % 10 = 4
So 2431-23-4 is a valid CAS Registry Number.

2431-23-4SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-hydroxy-1-(4-methylphenyl)-2-phenylethanone

1.2 Other means of identification

Product number -
Other names 4'-methylbenzoin

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:2431-23-4 SDS

2431-23-4Relevant articles and documents

Synthesis of chiral α-diarylacetic esters by stereospecific 1,2-aryl migration promoted by in situ generated acetals from benzoins

Kothapalli, Raveendra Babu,Niddana, Ramana,Balamurugan, Rengarajan

, p. 1278 - 1281 (2014/04/03)

A simple protocol for the synthesis of α-diarylacetic esters from benzoins is described. In situ generated acetal assists rapid 1,2-aryl migration in a stereospecific manner, paving the way to make enantioenriched α-diarylacetic esters from easily accessi

An eco-friendly method for synthesis of symmetrical and unsymmetrical benzoin derivatives

Safari, Javad,Arani, Naimeh Moshtael,Isfahani, Anousheh Ramezan

experimental part, p. 495 - 498 (2011/12/21)

A rapid, highly efficient and mild green synthesis of symmetrical and unsymmetrical benzoin derivatives was achieved from the reaction of benzaldehyde derivatives with potassium cyanide in dimethyl sulfoxide under argon gas and ultrasound. This simple method affords benzoin derivatives at room temperature in short reaction times with high yield and purity.

Direct Formation of Benzoins from Diarylmethanones via a Rearrangement Reaction Promoted by Samarium Metal in DMF

Liu, Yongjun,Xu, Xiaoliang,Zhang, Yongmin

, p. 445 - 448 (2007/10/03)

Diarylmethanones react readily with DMF when promoted by samarium metal in DMF with TMSCl or iodine as an activator, to afford benzoins in good to excellent yields via rearrangement of aryl groups. As for asymmetric diarylmethanones, products resulting from the migration of either aryl group were obtained, where the migration of aryl groups shows certain priority.

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