163271-04-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 163271-04-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,3,2,7 and 1 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 163271-04:
(8*1)+(7*6)+(6*3)+(5*2)+(4*7)+(3*1)+(2*0)+(1*4)=113
113 % 10 = 3
So 163271-04-3 is a valid CAS Registry Number.