55042-87-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55042-87-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,0,4 and 2 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 55042-87:
(7*5)+(6*5)+(5*0)+(4*4)+(3*2)+(2*8)+(1*7)=110
110 % 10 = 0
So 55042-87-0 is a valid CAS Registry Number.