100517-46-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100517-46-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,5,1 and 7 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 100517-46:
(8*1)+(7*0)+(6*0)+(5*5)+(4*1)+(3*7)+(2*4)+(1*6)=72
72 % 10 = 2
So 100517-46-2 is a valid CAS Registry Number.