10591-20-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 10591-20-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,0,5,9 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 10591-20:
(7*1)+(6*0)+(5*5)+(4*9)+(3*1)+(2*2)+(1*0)=75
75 % 10 = 5
So 10591-20-5 is a valid CAS Registry Number.