86991-88-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 86991-88-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,9,9 and 1 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 86991-88:
(7*8)+(6*6)+(5*9)+(4*9)+(3*1)+(2*8)+(1*8)=200
200 % 10 = 0
So 86991-88-0 is a valid CAS Registry Number.