55229-54-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55229-54-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,2,2 and 9 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 55229-54:
(7*5)+(6*5)+(5*2)+(4*2)+(3*9)+(2*5)+(1*4)=124
124 % 10 = 4
So 55229-54-4 is a valid CAS Registry Number.