163959-03-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 163959-03-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,3,9,5 and 9 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 163959-03:
(8*1)+(7*6)+(6*3)+(5*9)+(4*5)+(3*9)+(2*0)+(1*3)=163
163 % 10 = 3
So 163959-03-3 is a valid CAS Registry Number.