103155-87-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103155-87-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,1,5 and 5 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 103155-87:
(8*1)+(7*0)+(6*3)+(5*1)+(4*5)+(3*5)+(2*8)+(1*7)=89
89 % 10 = 9
So 103155-87-9 is a valid CAS Registry Number.