3505-03-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3505-03-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,5,0 and 5 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 3505-03:
(6*3)+(5*5)+(4*0)+(3*5)+(2*0)+(1*3)=61
61 % 10 = 1
So 3505-03-1 is a valid CAS Registry Number.