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104097-62-3

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104097-62-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 104097-62-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,0,9 and 7 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 104097-62:
(8*1)+(7*0)+(6*4)+(5*0)+(4*9)+(3*7)+(2*6)+(1*2)=103
103 % 10 = 3
So 104097-62-3 is a valid CAS Registry Number.

104097-62-3Relevant articles and documents

A convenient acylation procedure of alcohols and amines

Misharin,Chernov

, p. 616 - 620 (2007/10/03)

The reaction of carboxylic acids with primary and secondary alcohols in the presence of aromatic sulfochlorides (mesitylenesulfonyl chloride and 2,4,6-triisopropylbenzenesulfonyl chloride) or aromatic sulfotetrazoles (mesytilenesulfonyl tetrazolide and 2,4,6-triisopropylbenzenesulfonyltetrazole) and usual acylation catalysts was shown to be a convenient procedure for the synthesis of esters. Reaction of carboxylic acids with primary aliphatic or aromatic amines in the presence of the same tetrazolides and catalysts is a useful procedure for the synthesis of amides. Syntheses of twenty compounds are presented as examples.

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