228562-74-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 228562-74-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,8,5,6 and 2 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 228562-74:
(8*2)+(7*2)+(6*8)+(5*5)+(4*6)+(3*2)+(2*7)+(1*4)=151
151 % 10 = 1
So 228562-74-1 is a valid CAS Registry Number.