55299-55-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55299-55-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,2,9 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 55299-55:
(7*5)+(6*5)+(5*2)+(4*9)+(3*9)+(2*5)+(1*5)=153
153 % 10 = 3
So 55299-55-3 is a valid CAS Registry Number.