500756-64-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 500756-64-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,0,7,5 and 6 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 500756-64:
(8*5)+(7*0)+(6*0)+(5*7)+(4*5)+(3*6)+(2*6)+(1*4)=129
129 % 10 = 9
So 500756-64-9 is a valid CAS Registry Number.