86-69-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 86-69-1 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 8 and 6 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 86-69:
(4*8)+(3*6)+(2*6)+(1*9)=71
71 % 10 = 1
So 86-69-1 is a valid CAS Registry Number.