55268-54-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55268-54-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,2,6 and 8 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 55268-54:
(7*5)+(6*5)+(5*2)+(4*6)+(3*8)+(2*5)+(1*4)=137
137 % 10 = 7
So 55268-54-7 is a valid CAS Registry Number.