55865-49-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55865-49-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,8,6 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 55865-49:
(7*5)+(6*5)+(5*8)+(4*6)+(3*5)+(2*4)+(1*9)=161
161 % 10 = 1
So 55865-49-1 is a valid CAS Registry Number.