4658-63-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4658-63-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,6,5 and 8 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4658-63:
(6*4)+(5*6)+(4*5)+(3*8)+(2*6)+(1*3)=113
113 % 10 = 3
So 4658-63-3 is a valid CAS Registry Number.