L-Homocysteine thiolactone hydrochloride (Custom Volume)

Precursor for L-[11C]Methyl-methionine, -ethionine and -propionine
Product No.: HCT-95-000X

L-Homocysteine thiolactone hydrochloride
Product No.:HCT-95
CAS No.:31828-68-9

Product Name:  L-Homocysteine thiolactone hydrochloride
Synonyms:  2(3H)-Thiophenone, 3-aminodihydro-, hydrochloride, (3S)-; 2(3H)-Thiophenone, 3-aminodihydro-, hydrochloride, (S)-; 2(3H)-Thiophenone,3-aminodihydro-, hydrochloride, L-
CAS No.:  31828-68-9
Molecular Formula:  C4H7NOS•HCl
Molecular Weight:  153.63
Application: Precursor for L-[11C]Methyl-methionine, - ethionine, and -propionine
Presentation:  Packaged in amber vials or amber screw-cap vials with teflon-coated stoppers under argon atmosphere

Storage and Stability

  • Store the product at -20 ºC, protected from light.
  • Short-term storage at higher temperatures does not affect product quality.


  • Complete documentation - Certificates of Analysis including testing reports of 1H-NMR and HPLC spectra for each shipment
  • Customized dispensing available


  • 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.