50558-39-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 50558-39-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,5,5 and 8 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 50558-39:
(7*5)+(6*0)+(5*5)+(4*5)+(3*8)+(2*3)+(1*9)=119
119 % 10 = 9
So 50558-39-9 is a valid CAS Registry Number.