163318-77-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 163318-77-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,3,3,1 and 8 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 163318-77:
(8*1)+(7*6)+(6*3)+(5*3)+(4*1)+(3*8)+(2*7)+(1*7)=132
132 % 10 = 2
So 163318-77-2 is a valid CAS Registry Number.