86689-84-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 86689-84-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,6,8 and 9 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 86689-84:
(7*8)+(6*6)+(5*6)+(4*8)+(3*9)+(2*8)+(1*4)=201
201 % 10 = 1
So 86689-84-1 is a valid CAS Registry Number.