69687-77-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69687-77-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,6,8 and 7 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 69687-77:
(7*6)+(6*9)+(5*6)+(4*8)+(3*7)+(2*7)+(1*7)=200
200 % 10 = 0
So 69687-77-0 is a valid CAS Registry Number.