55905-50-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55905-50-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,9,0 and 5 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 55905-50:
(7*5)+(6*5)+(5*9)+(4*0)+(3*5)+(2*5)+(1*0)=135
135 % 10 = 5
So 55905-50-5 is a valid CAS Registry Number.