4620-04-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4620-04-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,6,2 and 0 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 4620-04:
(6*4)+(5*6)+(4*2)+(3*0)+(2*0)+(1*4)=66
66 % 10 = 6
So 4620-04-6 is a valid CAS Registry Number.