154105-69-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 154105-69-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,1,0 and 5 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 154105-69:
(8*1)+(7*5)+(6*4)+(5*1)+(4*0)+(3*5)+(2*6)+(1*9)=108
108 % 10 = 8
So 154105-69-8 is a valid CAS Registry Number.