Grade: GMP product Tested for sterility and bacterial endotoxins Description: L-Homocysteine thiolactone is an amine-reactive compound used in the study of post-translational protein modification, especially at lysine residues. It is an intramolecular thioester of homocysteine that prevents translational incorporation of homocysteine into proteins. L-HCT HCl is also a synthetic PET radiotracer and has been used for imaging brain tumors and other cancers. Synonyms: L-Homocysteine thiolactone hydrochloride Molar weight: 153.63 g/mol (net substance) Molecular formula: C₄H₇NOS · HCl (net substance) CAS №: 31828-68-9 PubChem CID: 123139 Retest date: Not less than 18 months from the manufacturing date Packaging: 2R/4ml or 8R/10ml Type I glass vials with bromobutyl rubber stoppers Storage conditions: –20 ±5 °C Transportation at 2–8 °C (less than 1 month) Available quantities: 0.1 mg; 1.0 mg; custom quantity upon request