22648-58-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22648-58-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,6,4 and 8 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 22648-58:
(7*2)+(6*2)+(5*6)+(4*4)+(3*8)+(2*5)+(1*8)=114
114 % 10 = 4
So 22648-58-4 is a valid CAS Registry Number.