1255146-89-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1255146-89-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,5,1,4 and 6 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1255146-89:
(9*1)+(8*2)+(7*5)+(6*5)+(5*1)+(4*4)+(3*6)+(2*8)+(1*9)=154
154 % 10 = 4
So 1255146-89-4 is a valid CAS Registry Number.