Description Application 2-(3-Chloropropyl)-1,3-dioxolane (2-(3′-chloropropyl)-1,3-dioxolane) is a masked γ-chlorobutyraldehyde and was used for the introduction of 3-(1,3-dioxolan-2-yl)propyl moiety. It was also used in the synthesis of: • (±)-histrionicotoxin and (±)-histrionicotoxin 235A using a two-directional strategy • 4-iodobutyraldehyde, 5-iodovaleraldehyde and 5-iodo-2-petanone • corresponding phosphonate Packaging 5, 25 mL in glass bottle Other Notes Masked γ-chlorobutyraldehyde, useful for the introduction of the 3-(1,3-dioxolan-2-yl)propyl moiety; Preparation and use of the corresponding phosphonate