940924-81-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 940924-81-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,0,9,2 and 4 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 940924-81:
(8*9)+(7*4)+(6*0)+(5*9)+(4*2)+(3*4)+(2*8)+(1*1)=182
182 % 10 = 2
So 940924-81-2 is a valid CAS Registry Number.
940924-81-2Relevant articles and documents
Carbazole methyl malonates
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, (2008/06/13)
A process for the preparation of α-methyl-carbazole-2-acetic acids, which comprises reacting an α-methyl-3-oxocyclohexane malonic acid di-lower alkyl ester with a substituted phenylhydrazine, and thereafter sequentially oxidizing and hydrolyzing the reaction product to obtain the desired acid, is described.