1256750-20-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1256750-20-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,7,5 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1256750-20:
(9*1)+(8*2)+(7*5)+(6*6)+(5*7)+(4*5)+(3*0)+(2*2)+(1*0)=155
155 % 10 = 5
So 1256750-20-5 is a valid CAS Registry Number.