55228-76-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55228-76-7 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 8 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 55228-76:
(7*5)+(6*5)+(5*2)+(4*2)+(3*8)+(2*7)+(1*6)=127
127 % 10 = 7
So 55228-76-7 is a valid CAS Registry Number.