228243-58-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 228243-58-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,8,2,4 and 3 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 228243-58:
(8*2)+(7*2)+(6*8)+(5*2)+(4*4)+(3*3)+(2*5)+(1*8)=131
131 % 10 = 1
So 228243-58-1 is a valid CAS Registry Number.