54279-03-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54279-03-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,2,7 and 9 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 54279-03:
(7*5)+(6*4)+(5*2)+(4*7)+(3*9)+(2*0)+(1*3)=127
127 % 10 = 7
So 54279-03-7 is a valid CAS Registry Number.