259142-52-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 259142-52-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,9,1,4 and 2 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 259142-52:
(8*2)+(7*5)+(6*9)+(5*1)+(4*4)+(3*2)+(2*5)+(1*2)=144
144 % 10 = 4
So 259142-52-4 is a valid CAS Registry Number.