6223-58-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6223-58-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,2,2 and 3 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 6223-58:
(6*6)+(5*2)+(4*2)+(3*3)+(2*5)+(1*8)=81
81 % 10 = 1
So 6223-58-1 is a valid CAS Registry Number.