3H-Pyrazol-3-one, 2,4-dihydro-2,5-dimethyl-
CAS 2749-59-9
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
- 2019
- US production Confidential · 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
Industrial Uses
- •Intermediate in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (100%)Processing as a reactant
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 |
|---|---|---|---|---|
| Angene Chemical | China → Hong Kong | $0.34 | 500 g | 98% |
| BLD Pharmatech Ltd. | China | $0.41 | 500 g | 97% |
| AA BLOCKS | United States | $0.68 | 500 g | 96% |
| BLD Pharmatech Co., Limited | United States | $0.80 | 25 g | 97% |
| Ambeed, Inc. | United States | $0.80 | 25 g | 97% |
| A2B Chem LLC | United States | $0.80 | 250 g | 96% |
| Combi-Blocks, Inc. | United States | $0.80 | 500 g | 95% |
| AK Scientific Specialized | United States | $1.00 | 100 g | 95% |
| AK Scientific, Inc. | United States | $1.10 | 500 g | 98% |
| Angene International Limited | United States | $1.75 | 500 g | 98% |
| BLD Pharmatech GmbH | Germany | $2.00 | 5 g | 97% |
| Synthonix | United States | $2.20 | 5 g | 97% |
| AstaTech, Inc | United States | $6.60 | 5 g | 95% |
| EvoBlocks, Ltd. | Hungary | $23.25 | 100 g | 95% |
| Labotest KG | Germany | $453.00 | 1000 mg | 90% |
| Otava, Ltd. | Ukraine | $520.00 | 100 mg | 95% |
| Key Organics Ltd. | United Kingdom | $2740.00 | 50 mg | 90% |
| Vitas M Chemical Limited | Hong Kong | $3170.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 99% |
Chemical Identity
Data Sources
- EPA CompTox (DSSTox) · DTXSID4074641Retrieved 2026-04-06
- PubChem · compound 17673Retrieved 2026-04-06
- 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
3H-Pyrazol-3-one, 2,4-dihydro-2,5-dimethyl- (CAS 2749-59-9) https://chemicalindependence.com/chemical/2749-59-9/ EPA CompTox (DSSTox): DTXSID4074641. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4074641 PubChem: 17673. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/17673 EPA Chemical Data Reporting: 2749-59-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 2749-59-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293319 for CAS 2749-59-9. Reporting year: 2024. https://usatrade.census.gov/