1055028-87-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1055028-87-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,5,5,0,2 and 8 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1055028-87:
(9*1)+(8*0)+(7*5)+(6*5)+(5*0)+(4*2)+(3*8)+(2*8)+(1*7)=129
129 % 10 = 9
So 1055028-87-9 is a valid CAS Registry Number.