505086-83-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 505086-83-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,5,0,8 and 6 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 505086-83:
(8*5)+(7*0)+(6*5)+(5*0)+(4*8)+(3*6)+(2*8)+(1*3)=139
139 % 10 = 9
So 505086-83-9 is a valid CAS Registry Number.