56844-13-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56844-13-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,8,4 and 4 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 56844-13:
(7*5)+(6*6)+(5*8)+(4*4)+(3*4)+(2*1)+(1*3)=144
144 % 10 = 4
So 56844-13-4 is a valid CAS Registry Number.