163163-45-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 163163-45-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,3,1,6 and 3 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 163163-45:
(8*1)+(7*6)+(6*3)+(5*1)+(4*6)+(3*3)+(2*4)+(1*5)=119
119 % 10 = 9
So 163163-45-9 is a valid CAS Registry Number.