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500312-07-2

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500312-07-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 500312-07-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,0,3,1 and 2 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 500312-07:
(8*5)+(7*0)+(6*0)+(5*3)+(4*1)+(3*2)+(2*0)+(1*7)=72
72 % 10 = 2
So 500312-07-2 is a valid CAS Registry Number.

500312-07-2Relevant articles and documents

DIRECT CONVERSION OF PHENOLS INTO AMIDES AND ESTERS OF BENZOIC ACID

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Page/Page column 14-15; 18, (2011/10/12)

A method is provided for the preparation of an aromatic carboxylic acid aryl ester or an N-aryl aromatic carboxamide. The method comprises contacting an O,O-diaryl thiocarbonate or an O-aryl-N-aryl thiocarbamate with a reactant that regioselectively reacts with sulfur, which contact causes an O-neophyl rearrangement, thereby forming either the aromatic carboxylic acid aryl ester or the N-aryl aromatic carboxamide, respectively.

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