55682-09-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55682-09-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,6,8 and 2 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 55682-09:
(7*5)+(6*5)+(5*6)+(4*8)+(3*2)+(2*0)+(1*9)=142
142 % 10 = 2
So 55682-09-2 is a valid CAS Registry Number.