50658-98-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 50658-98-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,6,5 and 8 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 50658-98:
(7*5)+(6*0)+(5*6)+(4*5)+(3*8)+(2*9)+(1*8)=135
135 % 10 = 5
So 50658-98-5 is a valid CAS Registry Number.