100166-86-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100166-86-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,1,6 and 6 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 100166-86:
(8*1)+(7*0)+(6*0)+(5*1)+(4*6)+(3*6)+(2*8)+(1*6)=77
77 % 10 = 7
So 100166-86-7 is a valid CAS Registry Number.