16583-69-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16583-69-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,5,8 and 3 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 16583-69:
(7*1)+(6*6)+(5*5)+(4*8)+(3*3)+(2*6)+(1*9)=130
130 % 10 = 0
So 16583-69-0 is a valid CAS Registry Number.