763116-77-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 763116-77-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,6,3,1,1 and 6 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 763116-77:
(8*7)+(7*6)+(6*3)+(5*1)+(4*1)+(3*6)+(2*7)+(1*7)=164
164 % 10 = 4
So 763116-77-4 is a valid CAS Registry Number.