4497-02-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4497-02-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,4,9 and 7 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4497-02:
(6*4)+(5*4)+(4*9)+(3*7)+(2*0)+(1*2)=103
103 % 10 = 3
So 4497-02-3 is a valid CAS Registry Number.