Cysteine
CAS 52-90-4
Cysteine (CAS 52-90-4) is a Phase 4 pharmaceutical compound with 1 bioactivity target and 18 adverse event associations.
Compound Identity
Matched identifiers and naming fields for the pharmaceutical compound record.
Clinical Development Phase
Highest clinical development phase rendered from the matched compound identifier rows.
Cross-Reference to Cosmetics
Same-CAS ingredient record found in the cosmetics vertical.
Bioactivity & Target Interactions
Target-level activity records with assay counts, activity type, and measured value where present.
| Target | Activity | Value | Assays | Organism |
|---|---|---|---|---|
| - | AC50 | 29155.219999999998 nM | 30 | - |
| - | IC50 | 35793.23142857143 nM | 6 | - |
| - | EC50 | 20000 nM | 1 | - |
| - | Ki | 59000 nM | 1 | - |
| Cystine/glutamate transporter Transporter |
Ki | 4.23 | - | Homo sapiens |
Adverse Event Associations
DrugCentral / FAERS disproportionality signal rows matched to this compound.
| Reaction PT | Drug AE | LLR | MedDRA |
|---|---|---|---|
| Parenteral nutrition associated liver disease | 27 | 283.754 | 10074151 |
Association rows are source-linked signal records, not incidence rates or clinical causality claims.
Drug Names / RxNorm
Normalized drug-name vocabulary rows, RxCUIs, and source abbreviations.
| Name | RxCUI | Type | Source |
|---|---|---|---|
| CYSTEINE | 3024 | SU | MTHSPL |
| carbocysteine | 2023 | IN | RXNORM |
| cysteine | 3024 | IN | RXNORM |
Frequently Asked Questions
Short answers generated only from the same visible source-linked rows on this page.
What is Cysteine used for in pharmaceutical contexts?
Cysteine (CAS 52-90-4) is rendered as a pharmaceutical compound from the matched source rows; no DailyMed product-name rows are present in this page query.
What are the known adverse events for Cysteine?
Cysteine has 18 DrugCentral/FAERS adverse event associations. Rendered reaction terms include Parenteral nutrition associated liver disease, Acute myocardial infarction, Antibody test positive, Drug ineffective, Dry mouth. Signal rows are source-linked records and should not be read as incidence rates or causality conclusions.
Is Cysteine also used in cosmetics?
Yes. The ingredients table has a same-CAS cosmetic profile for L-Cysteine with EU status "permitted".
What clinical phase is Cysteine in?
Cysteine is rendered with ChEMBL max phase 4 (approved).
What bioactivity targets are documented for Cysteine?
Cysteine has 5 bioactivity rows in this page query. Rendered target entries include Cystine/glutamate transporter.