4606-23-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4606-23-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,6,0 and 6 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4606-23:
(6*4)+(5*6)+(4*0)+(3*6)+(2*2)+(1*3)=79
79 % 10 = 9
So 4606-23-9 is a valid CAS Registry Number.