228104-41-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 228104-41-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,8,1,0 and 4 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 228104-41:
(8*2)+(7*2)+(6*8)+(5*1)+(4*0)+(3*4)+(2*4)+(1*1)=104
104 % 10 = 4
So 228104-41-4 is a valid CAS Registry Number.