55326-87-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55326-87-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,3,2 and 6 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 55326-87:
(7*5)+(6*5)+(5*3)+(4*2)+(3*6)+(2*8)+(1*7)=129
129 % 10 = 9
So 55326-87-9 is a valid CAS Registry Number.