54140-64-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54140-64-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,1,4 and 0 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 54140-64:
(7*5)+(6*4)+(5*1)+(4*4)+(3*0)+(2*6)+(1*4)=96
96 % 10 = 6
So 54140-64-6 is a valid CAS Registry Number.