4646-78-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4646-78-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,6,4 and 6 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 4646-78:
(6*4)+(5*6)+(4*4)+(3*6)+(2*7)+(1*8)=110
110 % 10 = 0
So 4646-78-0 is a valid CAS Registry Number.