threonine
Drug ingredientCAS 72-19-5
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 292250 · basket
These shares come from HS customs code 292250, which covers 76 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Japan
- Germany
- Denmark
- Taiwan
- Spain
- Bulgaria
- Canada
- Serbia
- Switzerland
- Sweden
- South Korea
- Netherlands
- Hong Kong
- Ukraine
- Austria
- Hungary
- Belgium
- Ireland
- Israel
- Finland
- Mexico
- Slovenia
- Czech Republic
- United Arab Emirates
- Latvia
14 FDA-registered drug labelers
Why It Matters
Appears in 16 drug and cosmetic product listings (FDA).
- •Aminosyn-PF
- •Plenamine
- •Kabiven
- •Clinimix
- •Clinimix E
- •Clinisol
- •ProSol
- •TrophAmine
Show all 16
- •TH-101
- •Aminosyn II
- •Osteobios
- •Travasol
- •Perikabiven
- •L-Threonine High 7426
- •Metab
- •Premasol - sulfite-free (Amino Acid)
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
17 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 | $0.56 | 500 g | 95% |
| Combi-Blocks, Inc. | United States | $0.78 | 500 g | 95% |
| BLD Pharmatech Ltd. | China | $0.81 | 500 g | 95% |
| BLD Pharmatech Co., Limited | United States | $0.89 | 500 g | 95% |
| Ambeed, Inc. | United States | $0.89 | 500 g | 95% |
| A2B Chem LLC | United States | $0.90 | 500 g | 98% |
| AA BLOCKS | United States | $0.95 | 500 g | 95% |
| Synthonix | United States | $1.00 | 100 g | 95% |
| BLD Pharmatech GmbH | Germany | $1.24 | 25 g | 95% |
| AK Scientific, Inc. | United States | $3.16 | 25 g | 95% |
| Interbioscreen | Hong Kong | $24.00 | 10 g | 95% |
| Labotest KG | Germany | $217.80 | 5000 mg | 90% |
| Molnova | China | $380.00 | 100 mg | 99% |
| TargetMol Chemicals | China → United States | $500.00 | 100 mg | 99.88% |
| Otava, Ltd. | Ukraine | $2280.00 | 50 mg | 95% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 95% |
| Vitas M Chemical Limited | Hong Kong | $46000.00 | 1 mg | 90% |
Chemical Identity
Data Sources
- PubChem · compound 6288Retrieved 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
threonine (CAS 72-19-5) https://chemicalindependence.com/chemical/72-19-5/ PubChem: 6288. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/6288 EPA TSCA Inventory: CAS 72-19-5. 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 292250 for CAS 72-19-5. Reporting year: 2024. https://usatrade.census.gov/