Cysteamine hydrochloride
Drug ingredientCAS 156-57-0
This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.
Why supply is unknownProduction is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.
Where It Comes From
Customs basis: HS 293090 · basket
These shares come from HS customs code 293090, which covers 418 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Israel
- Croatia
- Ukraine
- Slovakia
- United Arab Emirates
- Ireland
- Poland
- Lithuania
- Brazil
- Singapore
- Australia
- Armenia
- Hong Kong
- Vietnam
- Czech Republic
- Hungary
- Greece
- Russia
4 FDA-registered drug labelers
Why It Matters
Appears in 2 drug and cosmetic product listings (FDA).
- •Cystaran
- •Cystadrops
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
26 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 |
|---|---|---|---|---|
| Angene Chemical | China → Hong Kong | $0.03 | 500 g | 96% |
| A2B Chem LLC | United States | $0.04 | 1 kg | 98% |
| AA BLOCKS | United States | $0.05 | 500 g | 98% |
| Chemscene | United States | $0.06 | 500 g | — |
| BLD Pharmatech Ltd. | China | $0.06 | 500 g | 98% |
| Ambeed, Inc. | United States | $0.06 | 500 g | 98% |
| Fluorochem UK | United Kingdom | $0.07 | 2.5 kg | 99% |
| Fluorochem EU | Germany | $0.07 | 500 g | 99% |
| Apollo Scientific UK | United Kingdom | $0.10 | 25 kg | 98% |
| Angene International Limited | United States | $0.10 | 500 g | 98% |
| AK Scientific Specialized | United States | $0.23 | 1 kg | 95% |
| BLD Pharmatech Co., Limited | United States | $0.26 | 100 g | 98% |
| BLD Pharmatech GmbH | Germany | $0.26 | 100 g | 98% |
| AK Scientific, Inc. | United States | $0.32 | 1 kg | 98% |
| Apollo Scientific US | United Kingdom | $0.58 | 100 g | 99% |
| AstaTech, Inc | United States | $0.87 | 100 g | 95% |
| MedChemExpress MCE | Sweden | $1.31 | 100 g | 99.3% |
| Cayman Europe | Estonia | $2.11 | 100 g | 95% |
| Sigma-Aldrich (Rush Stock) | Germany | $2.89 | 100 g | 97% |
| Sigma-Aldrich | Germany | $2.89 | 100 g | 97% |
| Apexbio Technology LLC | United States | $10.00 | 5 g | 98% |
| Molnova | China | $76.00 | 500 mg | 99% |
| Otava, Ltd. | Ukraine | $520.00 | 100 mg | 95% |
| Otava, Ltd. (2 weeks) | Ukraine | $2724.00 | 50 mg | 95% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 96% |
| Key Organics Ltd. | United Kingdom | $6900.00 | 10 mg | 98% |
Chemical Identity
Data Sources
- PubChem · compound 9082Retrieved 2026-04-07
- EPA TSCA InventoryRetrieved 2026-04-24
- FDA National Drug Code directoryRetrieved 2026-04-07
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
Cysteamine hydrochloride (CAS 156-57-0) https://chemicalindependence.com/chemical/156-57-0/ PubChem: 9082. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/9082 EPA TSCA Inventory: CAS 156-57-0. Retrieved 2026-04-24. https://www.epa.gov/tsca-inventory FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 293090 for CAS 156-57-0. Reporting year: 2024. https://usatrade.census.gov/