12097-87-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12097-87-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,0,9 and 7 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 12097-87:
(7*1)+(6*2)+(5*0)+(4*9)+(3*7)+(2*8)+(1*7)=99
99 % 10 = 9
So 12097-87-9 is a valid CAS Registry Number.