According to a recent note on the BioQuip catalog, Euparal is no longer available. http://www.bioquip.com/search/DispProduct.asp?pid=6372A
I checked the website for the manufacturer, ASCO Laboratories, Mancherster, England, and it is now inactive.
Richard L. Brown
Mississippi Entomological Museum
Dept. Biochemistry, Molecular Biology,
Entomology & Plant Pathology
Box 9775 (100 Old Highway 12)
Mississippi State, MS 39762