861668-05-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 861668-05-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,1,6,6 and 8 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 861668-05:
(8*8)+(7*6)+(6*1)+(5*6)+(4*6)+(3*8)+(2*0)+(1*5)=195
195 % 10 = 5
So 861668-05-5 is a valid CAS Registry Number.