228702-11-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 228702-11-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,8,7,0 and 2 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 228702-11:
(8*2)+(7*2)+(6*8)+(5*7)+(4*0)+(3*2)+(2*1)+(1*1)=122
122 % 10 = 2
So 228702-11-2 is a valid CAS Registry Number.