xav-939
Drug ingredientCAS 284028-89-3
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 293499 · basket
These shares come from HS customs code 293499, which covers 575 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Finland
- Netherlands
- Canada
- Indonesia
- Mexico
- Taiwan
- South Korea
- Austria
- Croatia
- Sweden
- Ukraine
- Denmark
- Israel
- Czech Republic
- New Zealand
- Hong Kong
- Kyrgyzstan
- Australia
- Portugal
- South Africa
- Poland
- Slovenia
- Brazil
- Slovakia
- Vietnam
- Latvia
- Malta
- Hungary
- Romania
- Kenya
- Belarus
- Russia
- Turkey
- Norway
1 FDA-registered drug labeler
Why It Matters
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
24 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 |
|---|---|---|---|---|
| Aaron Chemicals LLC | Hong Kong | $1029.00 | 1 g | 98% |
| Angene Chemical | China → Hong Kong | $1079.00 | 1 g | 98% |
| A2B Chem LLC | United States | $1292.00 | 250 mg | 98% |
| AA BLOCKS | United States | $1436.00 | 250 mg | 98% |
| Combi-Blocks (back-ordered) | United States | $1600.00 | 250 mg | 95% |
| BLD Pharmatech GmbH | Germany | $1652.00 | 250 mg | 98% |
| BLD Pharmatech Ltd. | China | $1652.00 | 250 mg | 98% |
| MedChemExpress MCE | Sweden | $1749.66 | 1 g | 99.91% |
| Combi-Blocks, Inc. | United States | $1800.00 | 250 mg | 95% |
| BLD Pharmatech Co., Limited | United States | $1816.00 | 250 mg | 98% |
| Ambeed, Inc. | United States | $1816.00 | 250 mg | 98% |
| AstaTech, Inc | United States | $2148.00 | 250 mg | 95% |
| AK Scientific, Inc. | United States | $2200.00 | 100 mg | 98% |
| Molnova | China | $2205.00 | 200 mg | 99% |
| Maybridge, Ltd. | United Kingdom | $2414.30 | 100 mg | 90% |
| TargetMol Chemicals | China → United States | $2450.00 | 200 mg | 99.67% |
| MedKoo Biosciences, Inc | United States | $3300.00 | 500 mg | 98% |
| Apexbio Technology LLC | United States | $3500.00 | 100 mg | 99.44% |
| Angene International Limited | United States | $3730.00 | 100 mg | 98% |
| ChemFaces | China | $5600.00 | 20 mg | 98% |
| Axon Medchem | Netherlands | $7680.00 | 25 mg | 99% |
| Cayman Europe | Estonia | $9044.00 | 25 mg | 98% |
| Sigma-Aldrich (Rush Stock) | Germany | $19469.60 | 25 mg | 98% |
| Sigma-Aldrich | Germany | $19469.60 | 25 mg | 98% |
Chemical Identity
Data Sources
- PubChem · compound 135418940Retrieved 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
xav-939 (CAS 284028-89-3) https://chemicalindependence.com/chemical/284028-89-3/ PubChem: 135418940. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/135418940 FDA National Drug Code directory: CAS 284028-89-3. 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 293499 for CAS 284028-89-3. Reporting year: 2024. https://usatrade.census.gov/