56613-84-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56613-84-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,6,1 and 3 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 56613-84:
(7*5)+(6*6)+(5*6)+(4*1)+(3*3)+(2*8)+(1*4)=134
134 % 10 = 4
So 56613-84-4 is a valid CAS Registry Number.