Thiamine thiozole
CAS 137-00-8
5-Thiazoleethanol, 4-methyl-
Companies reported imports and no US production of this chemical to EPA for 2023.
Production is reported production, not a complete census of factories. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.
2013: $1.5B · Peak 2021: $1.9B · 2024: $447M · 2025: $385M
Where It Comes From
Customs basis: HS 293410 · basket
- 2023
- US production Zero · Imports 9 lb
These shares come from HS customs code 293410, which covers 83 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- United Kingdom
- Italy
- Ukraine
- Spain
- Netherlands
- Poland
- Belgium
- Canada
- Croatia
- Bulgaria
- Taiwan
- Sweden
- Slovakia
- Slovenia
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.
26 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 | $0.07 | 1 kg | 98% |
| A2B Chem LLC | United States | $0.10 | 1 kg | 98% |
| AA BLOCKS | United States | $0.12 | 1 kg | 98% |
| Chemscene | United States | $0.14 | 1 kg | — |
| BLD Pharmatech GmbH | Germany | $0.14 | 1 kg | 95% |
| BLD Pharmatech Ltd. | China | $0.14 | 1 kg | 95% |
| BLD Pharmatech Co., Limited | United States | $0.15 | 1 kg | 95% |
| Ambeed, Inc. | United States | $0.15 | 1 kg | 95% |
| Fluorochem EU | Germany | $0.16 | 100 g | 95% |
| Acrotein ChemBio, Inc. | United States | $0.17 | 500 g | — |
| Synthonix | United States | $0.17 | 1 kg | 95% |
| Sigma-Aldrich (Rush Stock) | Germany | $0.18 | 10 kg | 98% |
| Sigma-Aldrich | Germany | $0.18 | 10 kg | 98% |
| AK Scientific Specialized | United States | $0.24 | 1 kg | 95% |
| Combi-Blocks, Inc. | United States | $0.25 | 1 kg | 98% |
| Apollo Scientific UK | United Kingdom | $0.25 | 100 g | 98% |
| AK Scientific, Inc. | United States | $0.38 | 1 kg | 99% |
| Angene International Limited | United States | $0.80 | 250 g | 99% |
| MedChemExpress MCE | Sweden | $0.99 | 50 g | 99.71% |
| ALFA AESAR | Germany | $1.24 | 25 g | 98% |
| AstaTech (2 weeks) | United States | $3.08 | 25 g | 98% |
| Fluorochem UK | United Kingdom | $7.15 | 1 g | 95% |
| TargetMol Chemicals | China → United States | $145.00 | 200 mg | — |
| Labotest KG | Germany | $453.00 | 1000 mg | 90% |
| Key Organics Ltd. | United Kingdom | $2740.00 | 50 mg | 95% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
Chemical Identity
Data Sources
- EPA TSCA InventoryRetrieved 2026-04-29
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
Thiamine thiozole (CAS 137-00-8) https://chemicalindependence.com/chemical/137-00-8/ EPA TSCA Inventory: CAS 137-00-8. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 137-00-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293410 for CAS 137-00-8. Reporting year: 2024. https://usatrade.census.gov/