162583-73-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 162583-73-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,2,5,8 and 3 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 162583-73:
(8*1)+(7*6)+(6*2)+(5*5)+(4*8)+(3*3)+(2*7)+(1*3)=145
145 % 10 = 5
So 162583-73-5 is a valid CAS Registry Number.