Small molecules & peptides

(S)-O-Desmethylraclopride TBA salt

Precursor for [¹¹C]Raclopride

(S)-3,5-Dichloro-N-[(1-ethyl-2-pyrrolidinyl)methyl]-2,6-dihydroxy-benzamide TBA salt

CA index name: 1-Butanaminium, N,N,N-tributyl-, salt with 3,5-dichloro-N-[[(2S)-1-ethyl-2-pyrrolidinyl]methyl]-2,6-dihydroxybenzamide (1:1)


Research Chemical


Molar mass 574.67

CAS RN [1356478-35-7]

Purity ≥ 95 %

  • Waxy brownish solid
  • soluble in methanol and dimethyl sulfoxide


CoA: appearance, ¹H NMR spectrum (identity), HPLC (Purity)


Langer O. et al. Precursor Synthesis and Radiolabelling of the Dopamine D2 Receptor Ligand [¹¹C]Raclopride from [¹¹C]methyl triflate. J. Labelled Compd. Radiopharm. 1999, 42, 1183–1193.

Hoegberg T. et al. Synthesis of [Methoxy-³H]- and [Methoxy-¹¹C]- Labelled Raclopride. Specific Dopamine-D2 Receptor Ligands. J. Labelled Compd. Radiopharm. 1987, 24, 931–940.

De Paulis T. et al. Potential Neuroleptic Agents. 4. Chemistry, Behavioral Pharmacology, and Inhibition of [³H]Spiperone Binding of 3,5-Disubstituted N-[(1-Ethyl-2-pyrrolidinyl)methyl]-6-methoxy-salicylamides. J. Med. Chem. 1986, 29, 61–69.

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