30504-11-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30504-11-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,5,0 and 4 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 30504-11:
(7*3)+(6*0)+(5*5)+(4*0)+(3*4)+(2*1)+(1*1)=61
61 % 10 = 1
So 30504-11-1 is a valid CAS Registry Number.