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CAS Registry Number

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

CAS 123-73-9 C4H6O MW 70.09

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.

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Molekula products for CAS 123-73-9

Molekula has supplied fine chemicals and biochemicals since 2000 from ISO 9001:2015 and ISO 14001:2015 certified facilities. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.

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