583-09-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 583-09-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,8 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 583-09:
(5*5)+(4*8)+(3*3)+(2*0)+(1*9)=75
75 % 10 = 5
So 583-09-5 is a valid CAS Registry Number.