1256290-53-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1256290-53-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,2,9 and 0 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1256290-53:
(9*1)+(8*2)+(7*5)+(6*6)+(5*2)+(4*9)+(3*0)+(2*5)+(1*3)=155
155 % 10 = 5
So 1256290-53-5 is a valid CAS Registry Number.