Tolazoline hydrochloride
Drug ingredientCAS 59-97-2
This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
EPA lists this chemical as inactive, meaning no company reported making, importing or processing it in the US from 2006 to 2016.
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 293329 · basket
These shares come from HS customs code 293329, which covers 173 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Australia
- Brazil
- Czech Republic
- Ireland
- Sweden
- Ukraine
- Poland
- United Arab Emirates
- Hungary
- Israel
- Netherlands
- Canada
- Saudi Arabia
- Greece
- Belgium
- Austria
- Latvia
- Singapore
- Denmark
2 FDA-registered drug labelers
Why It Matters
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
25 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 |
|---|---|---|---|---|
| Fulfilled by Molport | Latvia | $0.28 | 25 g | — |
| Angene Chemical | China → Hong Kong | $0.31 | 500 g | 98% |
| A2B Chem LLC | United States | $0.50 | 100 g | 98% |
| Combi-Blocks, Inc. | United States | $0.60 | 100 g | 98% |
| AK Scientific Specialized | United States | $0.61 | 100 g | 95% |
| BLD Pharmatech GmbH | Germany | $0.62 | 500 g | 98% |
| BLD Pharmatech Ltd. | China | $0.62 | 500 g | 98% |
| AA BLOCKS | United States | $0.63 | 100 g | 98% |
| AK Scientific, Inc. | United States | $0.85 | 100 g | 98% |
| AstaTech (2 weeks) | United States | $1.12 | 100 g | 95% |
| MedKoo Biosciences, Inc | United States | $5.15 | 100 g | 98% |
| Cayman Europe | Estonia | $6.90 | 25 g | 95% |
| TargetMol Chemicals | China → United States | $30.00 | 1 g | 99.99% |
| Apexbio Technology LLC | United States | $35.20 | 5 g | 98% |
| Interbioscreen | Hong Kong | $51.00 | 10 g | 95% |
| Molnova | China | $51.00 | 1 g | 99% |
| MedChemExpress MCE | Sweden | $62.92 | 1 g | 99.93% |
| Labotest KG | Germany | $453.00 | 1000 mg | 90% |
| Sigma-Aldrich (Rush Stock) | Germany | $1805.67 | 300 mg | — |
| Sigma-Aldrich | Germany | $1805.67 | 300 mg | — |
| Angene International Limited | United States | $1890.00 | 100 mg | 99% |
| Princeton BioMolecular Research (SC) | United States | $2900.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
| Key Organics Ltd. | United Kingdom | $6900.00 | 10 mg | 97% |
| TimTec, LLC | United States | $9333.33 | 30 mg | 90% |
Chemical Identity
Data Sources
- PubChem · compound 6048Retrieved 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
Tolazoline hydrochloride (CAS 59-97-2) https://chemicalindependence.com/chemical/59-97-2/ PubChem: 6048. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/6048 EPA TSCA Inventory: CAS 59-97-2. 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 293329 for CAS 59-97-2. Reporting year: 2024. https://usatrade.census.gov/