228098-99-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 228098-99-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,8,0,9 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 228098-99:
(8*2)+(7*2)+(6*8)+(5*0)+(4*9)+(3*8)+(2*9)+(1*9)=165
165 % 10 = 5
So 228098-99-5 is a valid CAS Registry Number.