Small molecules & peptides


Precursor for 1-[¹⁸F]Fluoro-3-butyne

3-Butyn-1-ol tosylate; 3-Butyn-1-yl p-toluenesulfonate; 3-Butyn-1-yl p-tosylate; 3-Butyn-1-yl tosylate; 3-Butynyl 4-methylbenzenesulfonate; 3-Butynyl p-toluenesulfonate; 3-Butynyl tosylate; 4-(Tosyloxy)-1-butyne; 4-Methylbenzenesulfonic acid 3-butynyl ester; 4-p-Tolylsulfonyloxy-1-butyne; Toluene-4-sulfonic acid but-3-ynyl ester; Toluene-4-sulfonic acid but-3-ynyl ester

CA index name: 3-Butyn-1-ol, 1-(4-methylbenzenesulfonate); 3-Butyn-1-ol, 4-methylbenzenesulfonate; 3-Butyn-1-ol, p-toluenesulfonate


Research Chemical


Molar mass 224.28

CAS RN [23418-85-1]

Purity ≥ 95 %

  • Colorless to yellowish oil


CoA: appearance, ¹H NMR spectrum


Marik J. et al. Click for PET: rapid preparation of [¹⁸F]fluoropeptides using CuI catalyzed 1,3-dipolar cycloaddition. Tetrahedron Lett. 2006, 47, 6681–6684.

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