Small molecules & peptides

L-Homocysteine thiolactone hydrochloride

Precursor for L-[¹¹C]Methyl-methionine, - ethionine, and -propionine

2(3H)-Thiophenone, 3-aminodihydro-, hydrochloride, (S)-; 2(3H)-Thiophenone, 3-aminodihydro-, hydrochloride, L-

CA index name: 2(3H)-Thiophenone, 3-aminodihydro-, hydrochloride, (3S)-


Research Chemical


Molar mass 153.63

CAS RN [31828-68-9]

Purity ≥ 95 %

  • Colorless solid
  • soluble in water, insoluble in organic solvents


CoA: appearance, ¹H NMR spectrum, chiral HPLC


Ishiwata K. et al. Carbon-11 labeled ethionine and propionine as tumor detcting agents. Ann. Nucl. Med. 1997, 11, 115–122.

Schmitz F. et al. Fast Routine Production of L-[¹¹C-Methyl]-methionine with Al₂O₃/KF. Appl. Radiat. Isot. 1995, 46, 893–897.

Comar D. et al. Labelling and Metabolism of Methionine-Methyl-¹¹C. Eur. J. Nucl. Med. 1976, 1, 11–14.

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