116595-57-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 116595-57-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,5,9 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 116595-57:
(8*1)+(7*1)+(6*6)+(5*5)+(4*9)+(3*5)+(2*5)+(1*7)=144
144 % 10 = 4
So 116595-57-4 is a valid CAS Registry Number.