4612-05-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4612-05-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,6,1 and 2 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 4612-05:
(6*4)+(5*6)+(4*1)+(3*2)+(2*0)+(1*5)=69
69 % 10 = 9
So 4612-05-9 is a valid CAS Registry Number.