Dyphylline
CAS 479-18-5
1H-Purine-2,6-dione, 7-(2,3-dihydroxypropyl)-3,7-dihydro-1,3-dimethyl-
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 293959 · basket
These shares come from HS customs code 293959, which covers 9 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- United Kingdom
Why It Matters
No EPA sector or FDA product records name a use for this chemical.
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
29 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 | $0.08 | 500 g | 99% |
| A2B Chem LLC | United States | $0.17 | 1 kg | 98% |
| AA BLOCKS | United States | $0.18 | 1 kg | 98% |
| BLD Pharmatech Co., Limited | United States | $0.23 | 1 kg | 98% |
| BLD Pharmatech Ltd. | China | $0.23 | 1 kg | 98% |
| Ambeed, Inc. | United States | $0.23 | 1 kg | 98% |
| AK Scientific Specialized | United States | $0.23 | 500 g | 95% |
| AK Scientific, Inc. | United States | $0.31 | 500 g | 98% |
| Angene International Limited | United States | $0.55 | 500 g | 98% |
| BLD Pharmatech GmbH | Germany | $0.80 | 25 g | 98% |
| Sigma-Aldrich (Rush Stock) | Germany | $1.14 | 500 g | — |
| Sigma-Aldrich | Germany | $1.14 | 500 g | — |
| Fluorochem UK | United Kingdom | $1.43 | 5 g | 95% |
| AstaTech (2 weeks) | United States | $1.56 | 25 g | 95% |
| Fulfilled by Molport | Latvia | $5.00 | 1 g | — |
| MedKoo Biosciences, Inc | United States | $14.00 | 25 g | 98% |
| Interbioscreen | Hong Kong | $41.00 | 10 g | 95% |
| TargetMol Chemicals | China → United States | $98.00 | 1 g | 99.1% |
| TargetMol Chemicals EU | Austria | $120.00 | 500 mg | 99.1% |
| MedChemExpress MCE | Sweden | $150.04 | 1 g | 99.25% |
| Molnova | China | $322.00 | 500 mg | 99% |
| Apexbio Technology LLC | United States | $1020.00 | 50 mg | 99.84% |
| Cayman Europe | Estonia | $1506.54 | 500 mg | 98% |
| Maybridge, Ltd. | United Kingdom | $2414.30 | 100 mg | 90% |
| Vitas M Chemical Limited | Hong Kong | $3170.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 99% |
| Key Organics Ltd. | United Kingdom | $6900.00 | 10 mg | 99% |
| Princeton BioMolecular Research (SC) | United States | $8000.00 | 15 mg | 90% |
| TimTec, LLC (back-ordered) | United States | $32000.00 | 15 mg | 94% |
Chemical Identity
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
Dyphylline (CAS 479-18-5) https://chemicalindependence.com/chemical/479-18-5/ EPA TSCA Inventory: CAS 479-18-5. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 293959 for CAS 479-18-5. Reporting year: 2024. https://usatrade.census.gov/