55311-13-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55311-13-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,3,1 and 1 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 55311-13:
(7*5)+(6*5)+(5*3)+(4*1)+(3*1)+(2*1)+(1*3)=92
92 % 10 = 2
So 55311-13-2 is a valid CAS Registry Number.