154566-05-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 154566-05-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,5,6 and 6 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 154566-05:
(8*1)+(7*5)+(6*4)+(5*5)+(4*6)+(3*6)+(2*0)+(1*5)=139
139 % 10 = 9
So 154566-05-9 is a valid CAS Registry Number.