74678-99-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74678-99-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,6,7 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 74678-99:
(7*7)+(6*4)+(5*6)+(4*7)+(3*8)+(2*9)+(1*9)=182
182 % 10 = 2
So 74678-99-2 is a valid CAS Registry Number.