1028100-28-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1028100-28-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,8,1,0 and 0 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1028100-28:
(9*1)+(8*0)+(7*2)+(6*8)+(5*1)+(4*0)+(3*0)+(2*2)+(1*8)=88
88 % 10 = 8
So 1028100-28-8 is a valid CAS Registry Number.