500765-80-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 500765-80-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,0,7,6 and 5 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 500765-80:
(8*5)+(7*0)+(6*0)+(5*7)+(4*6)+(3*5)+(2*8)+(1*0)=130
130 % 10 = 0
So 500765-80-0 is a valid CAS Registry Number.