100809-06-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100809-06-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,8,0 and 9 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 100809-06:
(8*1)+(7*0)+(6*0)+(5*8)+(4*0)+(3*9)+(2*0)+(1*6)=81
81 % 10 = 1
So 100809-06-1 is a valid CAS Registry Number.