791111-77-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 791111-77-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,9,1,1,1 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 791111-77:
(8*7)+(7*9)+(6*1)+(5*1)+(4*1)+(3*1)+(2*7)+(1*7)=158
158 % 10 = 8
So 791111-77-8 is a valid CAS Registry Number.