169833-23-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 169833-23-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,9,8,3 and 3 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 169833-23:
(8*1)+(7*6)+(6*9)+(5*8)+(4*3)+(3*3)+(2*2)+(1*3)=172
172 % 10 = 2
So 169833-23-2 is a valid CAS Registry Number.