745021-32-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 745021-32-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,5,0,2 and 1 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 745021-32:
(8*7)+(7*4)+(6*5)+(5*0)+(4*2)+(3*1)+(2*3)+(1*2)=133
133 % 10 = 3
So 745021-32-3 is a valid CAS Registry Number.