Thiamine Diphosphate
CAS 154-87-0
Thiazolium, 3-[(4-amino-2-methyl-5-pyrimidinyl)methyl]-4-methyl-5-(4,6,6-trihydroxy-4,6-dioxido-3,5-dioxa-4,6-diphosphahex-1-yl)-, chloride (1:1)
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 293622 · basket
These shares come from HS customs code 293622, which covers 5 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Poland
- Austria
- Denmark
- Colombia
- Netherlands
- Canada
- South Korea
- 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.
19 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 |
|---|---|---|---|---|
| AA BLOCKS | United States | $8.52 | 25 g | 98% |
| Aaron Chemicals LLC | Hong Kong | $9.80 | 100 g | 98% |
| BLD Pharmatech Ltd. | China | $9.81 | 100 g | 98% |
| Combi-Blocks, Inc. | United States | $9.81 | 100 g | 98% |
| Angene Chemical | China → Hong Kong | $10.30 | 100 g | 98% |
| Apollo Scientific UK | United Kingdom | $10.54 | 100 g | 98% |
| BLD Pharmatech Co., Limited | United States | $10.76 | 25 g | 98% |
| BLD Pharmatech GmbH | Germany | $10.76 | 25 g | 98% |
| Ambeed, Inc. | United States | $10.76 | 25 g | 98% |
| Sigma-Aldrich (Rush Stock) | Germany | $11.81 | 100 g | 95% |
| Sigma-Aldrich | Germany | $11.81 | 100 g | 95% |
| AstaTech, Inc | United States | $14.24 | 25 g | 95% |
| AK Scientific, Inc. | United States | $14.40 | 25 g | 98% |
| Angene International Limited | United States | $17.92 | 25 g | 95% |
| Cayman Europe | Estonia | $60.69 | 1 g | 95% |
| Molnova | China | $370.00 | 100 mg | 99% |
| MedChemExpress MCE | Sweden | $399.30 | 500 mg | 99.93% |
| TargetMol Chemicals | China → United States | $410.00 | 100 mg | 99.99% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
Chemical Identity
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
Thiamine Diphosphate (CAS 154-87-0) https://chemicalindependence.com/chemical/154-87-0/ EPA TSCA Inventory: CAS 154-87-0. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 293622 for CAS 154-87-0. Reporting year: 2024. https://usatrade.census.gov/