(-)-2-C-Methyl-D-erythrono-1,4-lactone is inactive alone, but elicits oviposition behavior when mixes with other fractions.

18465-71-9

C5H8O4

132.11

(< 1 mg/ml refers to the product slightly soluble or insoluble )
Powder: -20°C for 3 years
In solvent: -80°C for 2 years