500693-57-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 500693-57-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,0,6,9 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 500693-57:
(8*5)+(7*0)+(6*0)+(5*6)+(4*9)+(3*3)+(2*5)+(1*7)=132
132 % 10 = 2
So 500693-57-2 is a valid CAS Registry Number.