77489-12-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77489-12-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,4,8 and 9 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 77489-12:
(7*7)+(6*7)+(5*4)+(4*8)+(3*9)+(2*1)+(1*2)=174
174 % 10 = 4
So 77489-12-4 is a valid CAS Registry Number.
77489-12-4Relevant articles and documents
Preparation of α-cyano-benzyl esters
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, (2008/06/13)
A process for the preparation of an insecticidally active compound such as STR1 comprising reacting a benzoyl-phosphonic acid ester of the formula STR2 with an alkali metal cyanide in aqueous acetic acid to produce the new compound STR3 which is reacted with an alkali or alkline earth metal salt of the formula STR4