100304-73-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100304-73-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,3,0 and 4 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 100304-73:
(8*1)+(7*0)+(6*0)+(5*3)+(4*0)+(3*4)+(2*7)+(1*3)=52
52 % 10 = 2
So 100304-73-2 is a valid CAS Registry Number.