445221-02-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 445221-02-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,5,2,2 and 1 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 445221-02:
(8*4)+(7*4)+(6*5)+(5*2)+(4*2)+(3*1)+(2*0)+(1*2)=113
113 % 10 = 3
So 445221-02-3 is a valid CAS Registry Number.