55042-85-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55042-85-8 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 5 respectively.
Calculate Digit Verification of CAS Registry Number 55042-85:
(7*5)+(6*5)+(5*0)+(4*4)+(3*2)+(2*8)+(1*5)=108
108 % 10 = 8
So 55042-85-8 is a valid CAS Registry Number.