But-2-ynal (C4H4O)

But-2-ynal (C4H4O; CAS 1119-19-3) is a practical retrosynthesis target. But-2-ynal presents a C4 framework, unsaturation. Open AI route search in one click below.

Target: But-2-ynal
CAS: 1119-19-3
Formula: C4H4O
Approx. MW: 68.07
SMILES: CC#CC=O
PubChem CID: 136875
Approx. carbons: C4

But-2-ynal structure

Properties

IUPAC name: but-2-ynal
Common names: But-2-ynal; 2-Butynal; Tetrolaldehyde; UNII-1EST92W9M2; Methylacetyllealdehyde; 1EST92W9M2; 1-Formyl-1-propyne; CH3CCCHO; DTXSID00149766; RefChem:86059
Molecular weight: 68.07
Exact mass: 68.03
InChIKey: REJPDMLLCDXIOV-UHFFFAOYSA-N

View on PubChem

But-2-ynal 1H / 13C NMR spectrum →

FAQ

What is the chemical formula of But-2-ynal?

But-2-ynal has molecular formula C4H4O. Molecular weight about 68.07 g·mol⁻¹.

What is the CAS number of But-2-ynal?

The CAS Registry Number for But-2-ynal is 1119-19-3.

Run AI retrosynthesis for But-2-ynal Target catalog AI tools overview

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References & tools

ChemicalHelper Reaction — AI retrosynthesis with optional library evidence.
PubChem — compound identifiers and structure depictions (NIH/NCBI).
Related: AiZynthFinder / synthesis planning literature for computer-aided retrosynthesis.