779353-74-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 779353-74-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,9,3,5 and 3 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 779353-74:
(8*7)+(7*7)+(6*9)+(5*3)+(4*5)+(3*3)+(2*7)+(1*4)=221
221 % 10 = 1
So 779353-74-1 is a valid CAS Registry Number.