3-Methyl-3,4-dihydro-2H-1,4-benzoxazine
CAS 32329-20-7
U.S. production volumes are classified as confidential business information.
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. US production volume is confidential. Production reporting year: 2023.
Where It Comes From
- 2023
- US production Confidential · Imports Confidential
- 2019
- US production Confidential · Imports Zero
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.
14 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 | $103.00 | 5 g | 95% |
| BLD Pharmatech Co., Limited | United States | $122.00 | 5 g | 95% |
| BLD Pharmatech Ltd. | China | $122.00 | 5 g | 95% |
| Ambeed, Inc. | United States | $122.00 | 5 g | 95% |
| Combi-Blocks, Inc. | United States | $122.00 | 5 g | 95% |
| Chemscene | United States | $122.60 | 5 g | — |
| A2B Chem LLC | United States | $124.00 | 250 mg | 98% |
| Key Organics Ltd. | United Kingdom | $132.28 | 25 g | 95% |
| AA BLOCKS | United States | $137.00 | 5 g | 95% |
| BLD Pharmatech GmbH | Germany | $175.00 | 1 g | 95% |
| AstaTech (2 weeks) | United States | $204.00 | 1 g | 95% |
| Fluorochem EU | Germany | $212.96 | 1 g | 98% |
| Angene International Limited | United States | $888.00 | 250 mg | — |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 95% |
Chemical Identity
Data Sources
- EPA CompTox (DSSTox) · DTXSID8044915Retrieved 2026-04-06
- PubChem · compound 2763760Retrieved 2026-04-06
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
Brief citations
3-Methyl-3,4-dihydro-2H-1,4-benzoxazine (CAS 32329-20-7) https://chemicalindependence.com/chemical/32329-20-7/ EPA CompTox (DSSTox): DTXSID8044915. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID8044915 PubChem: 2763760. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/2763760 EPA Chemical Data Reporting: 32329-20-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 32329-20-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting