1255909-50-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1255909-50-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,5,9,0 and 9 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1255909-50:
(9*1)+(8*2)+(7*5)+(6*5)+(5*9)+(4*0)+(3*9)+(2*5)+(1*0)=172
172 % 10 = 2
So 1255909-50-2 is a valid CAS Registry Number.