500789-81-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 500789-81-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,0,7,8 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 500789-81:
(8*5)+(7*0)+(6*0)+(5*7)+(4*8)+(3*9)+(2*8)+(1*1)=151
151 % 10 = 1
So 500789-81-1 is a valid CAS Registry Number.