crotonaldehyde (2E)-but-2-enal 0 70.04186 trans-crotonaldehyde PMID:20736172 chebi_ontology PMID:20672270 CHEBI:41607 An enal consisting of propene having a formyl group at the 1-position. [H]C(=O)\C=C\C PMID:21306579 crotonic aldehyde PDBeChem:CRD InChI=1S/C4H6O/c1-2-3-4-5/h2-4H,1H3/b3-2+ 70.08980 2-Butenal CAS:123-73-9 PMID:21238556 (2E)-BUT-2-ENAL PMID:20153411 trans-but-2-enal Reaxys:1209254 (E)-crotonaldehyde (2E)-but-2-enal propylene aldehyde trans-2-butenaldehyde 1-formylpropene CAS:4170-30-3 methylpropenal C4H6O crotonal beta-methylacrolein crotylaldehyde trans-2-butenal MLUCVPSAIODCQM-NSCUHMNNSA-N aldehyde crotonique KEGG:C19377 enal