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57357-22-9

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57357-22-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57357-22-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,3,5 and 7 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 57357-22:
(7*5)+(6*7)+(5*3)+(4*5)+(3*7)+(2*2)+(1*2)=139
139 % 10 = 9
So 57357-22-9 is a valid CAS Registry Number.

57357-22-9Relevant articles and documents

benzenes

Menkisoglou-Spyroudi, Ourania,Varvoglis, Anastasios

, p. 795 - 798 (2007/10/02)

The title compounds (3) have been prepared and their chemical properties studied.With iodine they give aryloxymethyl aryloxyacetates (4) through the intermediacy of aryloxyacetyl hypoiodites and α-iodoanisoles.The former are unstable but have been trapped with pyridine to give N-iodopyridinium aryloxyacetates, whereas the latter are stable and react independently with compounds (3) to afford the acetates (4).The termolysis of (3) has been studied and, besides esters (4), aryl aryloxyacetates are also formed.The mechanism of the thermolysis is briefly discussed.

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