108668-05-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 108668-05-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,6,6 and 8 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 108668-05:
(8*1)+(7*0)+(6*8)+(5*6)+(4*6)+(3*8)+(2*0)+(1*5)=139
139 % 10 = 9
So 108668-05-9 is a valid CAS Registry Number.