202459-40-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 202459-40-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,2,4,5 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 202459-40:
(8*2)+(7*0)+(6*2)+(5*4)+(4*5)+(3*9)+(2*4)+(1*0)=103
103 % 10 = 3
So 202459-40-3 is a valid CAS Registry Number.