5219-02-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5219-02-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,2,1 and 9 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 5219-02:
(6*5)+(5*2)+(4*1)+(3*9)+(2*0)+(1*2)=73
73 % 10 = 3
So 5219-02-3 is a valid CAS Registry Number.