32520-91-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 32520-91-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,5,2 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 32520-91:
(7*3)+(6*2)+(5*5)+(4*2)+(3*0)+(2*9)+(1*1)=85
85 % 10 = 5
So 32520-91-5 is a valid CAS Registry Number.