77124-14-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77124-14-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,1,2 and 4 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 77124-14:
(7*7)+(6*7)+(5*1)+(4*2)+(3*4)+(2*1)+(1*4)=122
122 % 10 = 2
So 77124-14-2 is a valid CAS Registry Number.