1H-Pyrazole
CAS 288-13-1
EPA’s 2023 records show zero U.S. production of this chemical.
At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.
Why supply is unknownProduction 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.
Where It Comes From
Customs basis: HS 293319 · basket
- 2023
- US production Zero · Imports Confidential
These shares come from HS customs code 293319, which covers 133 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Sweden
- Ukraine
- Taiwan
- Spain
- Canada
- Portugal
- Slovakia
- New Zealand
- Netherlands
- Croatia
- Latvia
Why It Matters
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
31 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 | $0.03 | 1 kg | 98% |
| AA BLOCKS | United States | $0.03 | 1 kg | 98% |
| A2B Chem LLC | United States | $0.04 | 1 kg | 98% |
| BLD Pharmatech Co., Limited | United States | $0.05 | 1 kg | 98% |
| BLD Pharmatech GmbH | Germany | $0.05 | 1 kg | 98% |
| BLD Pharmatech Ltd. | China | $0.05 | 1 kg | 98% |
| Ambeed, Inc. | United States | $0.05 | 1 kg | 98% |
| Chemscene | United States | $0.05 | 1 kg | — |
| Fluorochem EU | Germany | $0.06 | 1 kg | 99% |
| Fluorochem UK | United Kingdom | $0.06 | 1 kg | 99% |
| Apollo Scientific US | United Kingdom | $0.06 | 1 kg | 98% |
| AK Scientific Specialized | United States | $0.13 | 1 kg | 95% |
| Angene International Limited | United States | $0.13 | 250 g | 98% |
| Manchester Organics | United Kingdom | $0.14 | 1 kg | 98% |
| AK Scientific, Inc. | United States | $0.17 | 1 kg | 98% |
| Combi-Blocks, Inc. | United States | $0.25 | 1 kg | 98% |
| AstaTech, Inc | United States | $0.56 | 25 g | 95% |
| ALFA AESAR | Germany | $1.78 | 100 g | 98% |
| Sigma-Aldrich (Rush Stock) | Germany | $2.12 | 100 g | 98% |
| Sigma-Aldrich | Germany | $2.12 | 100 g | 98% |
| MedChemExpress MCE | Sweden | $2.52 | 25 g | 99.98% |
| Aldlab | United States | $7.60 | 500 mg | 95% |
| Interbioscreen | Hong Kong | $24.00 | 10 g | 95% |
| Specs | Netherlands | $181.26 | 5 g | 90% |
| Labotest KG | Germany | $453.00 | 1000 mg | 90% |
| Key Organics Ltd. | United Kingdom | $2740.00 | 50 mg | 95% |
| Princeton BioMolecular Research (SC) | United States | $2900.00 | 100 mg | 90% |
| Vitas M Chemical Limited | Hong Kong | $3170.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
| Asinex | Netherlands | $6461.40 | 100 mg | 90% |
| TimTec, LLC | United States | $14666.67 | 30 mg | 90% |
Chemical Identity
Data Sources
- EPA TSCA InventoryRetrieved 2026-04-29
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
1H-Pyrazole (CAS 288-13-1) https://chemicalindependence.com/chemical/288-13-1/ EPA TSCA Inventory: CAS 288-13-1. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 288-13-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 288-13-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293319 for CAS 288-13-1. Reporting year: 2024. https://usatrade.census.gov/