CAS Registry Number

CAS 29621-88-3 — L-Selenocystine

L-Selenocystine is a non-toxic, organoselenium amino acid derivative containing two selenium atoms, primarily used as a dietary supplement to support selenium metabolism, antioxidant activity, and thyroid function. It is also utilized in biochemical research for studying selenium-dependent processes. This chemical has a CAS number of 29621-88-3, a molecular formula of C6H12N2O4Se2, and a molecular weight of 334.0905 g/mol. It is stable at ambient storage conditions with no signal word classification required. Molekula supplies L-Selenocystine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.