Numéro CAS

CAS 123-73-9 — Crotonaldehyde, predominantly trans (Stabilized with 0.1-0.2% BHT)

Crotonaldehyde, predominantly trans, is a reactive unsaturated aldehyde used in organic synthesis, particularly in the production of pharmaceuticals, agrochemicals, and resins. It is stabilized with 0.1–0.2% BHT to prevent polymerization. Available in 1 L and 5 L containers, it has a CAS number of 123-73-9, molecular formula C4H6O, and molecular weight of 70.09 g/mol. Stored at 2 to 8 °C, it is classified as Danger. Molekula supplies Crotonaldehyde, predominantly trans (Stabilized with 0.1–0.2% BHT) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.