tetrandrine
Drug ingredientCAS 518-34-3
This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.
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 293979 · basket
These shares come from HS customs code 293979, which covers 60 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Australia
- Poland
- Belgium
- Taiwan
- Canada
- Japan
- Spain
- Mexico
- New Zealand
- Slovenia
- Israel
1 FDA-registered drug labeler
Why It Matters
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
33 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 | $16.72 | 25 g | 95% |
| Combi-Blocks, Inc. | United States | $17.20 | 25 g | 97% |
| A2B Chem LLC | United States | $18.36 | 25 g | 98% |
| Ambeed, Inc. | United States | $19.88 | 25 g | 95% |
| BLD Pharmatech Co., Limited | United States | $19.88 | 25 g | 95% |
| BLD Pharmatech Ltd. | China | $19.88 | 25 g | 95% |
| AA BLOCKS | United States | $22.20 | 5 g | 98% |
| BLD Pharmatech GmbH | Germany | $28.00 | 5 g | 95% |
| AK Scientific Specialized | United States | $38.40 | 5 g | 95% |
| MedChemExpress MCE | Sweden | $135.04 | 5 g | 99.9% |
| Molnova | China | $160.00 | 500 mg | 99% |
| AK Scientific, Inc. | United States | $170.40 | 5 g | 98% |
| TargetMol Chemicals | China → United States | $178.00 | 500 mg | 99.94% |
| Cayman Europe | Estonia | $196.83 | 5 g | 98% |
| AstaTech (2 weeks) | United States | $203.00 | 1 g | 95% |
| Interbioscreen | Hong Kong | $211.00 | 10 g | 95% |
| Sigma-Aldrich (Rush Stock) | Germany | $271.11 | 1 g | — |
| Sigma-Aldrich | Germany | $271.11 | 1 g | — |
| A2B Chem LLC (2 weeks) | United States | $360.00 | 100 mg | — |
| AA BLOCKS (2 weeks) | United States | $420.00 | 100 mg | — |
| Labotest KG | Germany | $453.00 | 1000 mg | 90% |
| MedKoo Biosciences, Inc | United States | $475.00 | 2 g | 98% |
| Apexbio Technology LLC | United States | $550.00 | 100 mg | 99.26% |
| ChemNorm | China | $900.00 | 20 mg | 98% |
| Chengdu Biopurify Phytochemicals Ltd. | China | $1420.00 | 100 mg | 98% |
| ChemFaces | China | $1500.00 | 20 mg | 98% |
| Angene International Limited | United States | $1880.00 | 100 mg | 99% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 95% |
| Key Organics Ltd. | United Kingdom | $6900.00 | 10 mg | 99% |
| Princeton BioMolecular Research (SC) | United States | $8000.00 | 15 mg | 90% |
| Vitas M Chemical Limited | Hong Kong | $8671.91 | 10 μmol | 90% |
| A2B Chem LLC (1 week) | United States | $128500.00 | 10 mg | 98% |
| AA BLOCKS (1 week) | United States | $142400.00 | 10 mg | 98% |
Chemical Identity
Data Sources
- PubChem · compound 73078Retrieved 2026-04-07
- FDA National Drug Code directoryRetrieved 2026-04-25
- FDA National Drug Code directoryRetrieved 2026-04-07
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
tetrandrine (CAS 518-34-3) https://chemicalindependence.com/chemical/518-34-3/ PubChem: 73078. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/73078 FDA National Drug Code directory: CAS 518-34-3. Retrieved 2026-04-25. https://open.fda.gov/data/ndc/ FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 293979 for CAS 518-34-3. Reporting year: 2024. https://usatrade.census.gov/