86664-11-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 86664-11-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,6,6 and 4 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 86664-11:
(7*8)+(6*6)+(5*6)+(4*6)+(3*4)+(2*1)+(1*1)=161
161 % 10 = 1
So 86664-11-1 is a valid CAS Registry Number.