- Chemical Name:L-cysteinium
- CAS No.:52-90-4
- Molecular Formula:C3H7NO2S
- Molecular Weight:121.16
- Hs Code.:29309012
- NCI Thesaurus Code:C29609
- Nikkaji Number:J3.302.195J,J3.302.196H
- RXCUI:3024
- Wikidata:Q27114944
- Wikipedia:Cysteine
- Mol file:52-90-4.mol
Synonyms:L-cysteinium;cysteine;L-cysteine cation;L-cysteinium(1+);CHEBI:32445;(1R)-1-carboxy-2-mercaptoethanaminium;(1R)-1-carboxy-2-sulfanylethanaminium;Q27114944