10-84-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 10-84-4 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 1 and 0 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 10-84:
(4*1)+(3*0)+(2*8)+(1*4)=24
24 % 10 = 4
So 10-84-4 is a valid CAS Registry Number.