532-90-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 532-90-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,3 and 2 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 532-90:
(5*5)+(4*3)+(3*2)+(2*9)+(1*0)=61
61 % 10 = 1
So 532-90-1 is a valid CAS Registry Number.