170454-76-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 170454-76-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,0,4,5 and 4 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 170454-76:
(8*1)+(7*7)+(6*0)+(5*4)+(4*5)+(3*4)+(2*7)+(1*6)=129
129 % 10 = 9
So 170454-76-9 is a valid CAS Registry Number.