cysteine hydrochloride
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
7 FDA-registered drug labelers
Ajinomoto Co., Inc.
B. Braun Medical Inc.
Baxter Healthcare Company
Baxter Healthcare Corporation
Exela Pharma Sciences, LLC
KYOWA HAKKO BIO CO., LTD.
Willow Birch Pharma, LLC
Why It Matters
Sectors
Health
Downstream Uses
Appears in 4 drug and cosmetic product listings (FDA).
- •Elcys
- •TrophAmine
- •Cysteine Hydrochloride
- •Premasol - sulfite-free (Amino Acid)
FDA Shortage Status
Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."
No FDA shortage records
Vendor Pricing
$0.60/gAaron Chemicals LLC
CountryHong Kong
Pack$298.00 / 500 g
Purity95%
Vendors6 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
5 more vendors
| Vendor | Country Supplier country. Where available, shows shipping origin. When the supplier ships from a different country than where they are registered, both are shown. Most suppliers show registration country only. | $/g | Pack | Purity |
|---|---|---|---|---|
| A2B Chem LLC | United States | $0.60 | 100 g | 97% |
| AA BLOCKS | United States | $0.64 | 500 g | 97% |
| Angene Chemical | China → Hong Kong | $0.64 | 500 g | 95% |
| Angene International Limited | United States | $1.65 | 100 g | 98% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 95% |
Chemical Identity
CAS52-89-1
PubChem CID60960
DTXSIDDTXSID0020367
FormulaC3H8ClNO2S
Mol. Weight157.62 g/mol
SMILESC(C(C(=O)O)N)S.Cl
Data Sources
609602026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/cysteine hydrochloride/cids/JSON
Archive: data/sources/pubchem_name/cysteine hydrochloride.json
CAS 52-89-12026-04-24
https://www.epa.gov/tsca-inventory
Archive: data/sources/tsca/tsca_inventory.csv
bulk match2026-04-07
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json