203059-93-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 203059-93-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,3,0,5 and 9 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 203059-93:
(8*2)+(7*0)+(6*3)+(5*0)+(4*5)+(3*9)+(2*9)+(1*3)=102
102 % 10 = 2
So 203059-93-2 is a valid CAS Registry Number.