56400-80-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56400-80-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,4,0 and 0 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 56400-80:
(7*5)+(6*6)+(5*4)+(4*0)+(3*0)+(2*8)+(1*0)=107
107 % 10 = 7
So 56400-80-7 is a valid CAS Registry Number.