1111597-87-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1111597-87-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,1,1,5,9 and 7 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1111597-87:
(9*1)+(8*1)+(7*1)+(6*1)+(5*5)+(4*9)+(3*7)+(2*8)+(1*7)=135
135 % 10 = 5
So 1111597-87-5 is a valid CAS Registry Number.