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874770-90-8

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874770-90-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 874770-90-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,4,7,7 and 0 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 874770-90:
(8*8)+(7*7)+(6*4)+(5*7)+(4*7)+(3*0)+(2*9)+(1*0)=218
218 % 10 = 8
So 874770-90-8 is a valid CAS Registry Number.

874770-90-8Downstream Products

874770-90-8Relevant articles and documents

Investigation of the Yamaguchi esterification mechanism. Synthesis of a Lux-S enzyme inhibitor using an improved esterification method

Dhimitruka, Ilirian,SantaLucia Jr., John

, p. 47 - 50 (2007/10/03)

(Chemical Equation Presented) A one-pot procedure for the regioselective synthesis of aliphatic esters is described. This was a result of a study on mixed aliphatic-aromatic anhydrides. The data suggest that during the Yamaguchi esterification reaction, a symmetric aliphatic anhydride is produced in situ, which upon reaction with an alcohol yields the ester. We confirmed that benzoyl chloride could be used instead of the sterically hindered Yamaguchi acid chloride. This method was successfully applied in the synthesis of Lux-S aspartic acid inhibitor.

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