100393-61-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100393-61-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,3,9 and 3 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 100393-61:
(8*1)+(7*0)+(6*0)+(5*3)+(4*9)+(3*3)+(2*6)+(1*1)=81
81 % 10 = 1
So 100393-61-1 is a valid CAS Registry Number.