54166-26-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54166-26-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,1,6 and 6 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 54166-26:
(7*5)+(6*4)+(5*1)+(4*6)+(3*6)+(2*2)+(1*6)=116
116 % 10 = 6
So 54166-26-6 is a valid CAS Registry Number.