163180-55-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 163180-55-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,3,1,8 and 0 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 163180-55:
(8*1)+(7*6)+(6*3)+(5*1)+(4*8)+(3*0)+(2*5)+(1*5)=120
120 % 10 = 0
So 163180-55-0 is a valid CAS Registry Number.