Glutaric anhydride
CAS 108-55-4
2H-Pyran-2,6(3H)-dione, dihydro-
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. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.
Where It Comes From
Customs basis: HS 291719 · basket
- 2023
- US production Confidential · Imports Confidential
These shares come from HS customs code 291719, which covers 176 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Taiwan
- Netherlands
- Switzerland
- Mexico
- South Africa
- Denmark
- Malaysia
- Ukraine
- Colombia
- Hong Kong
- Slovakia
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.
23 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 | $0.05 | 500 g | 99% |
| BLD Pharmatech GmbH | Germany | $0.08 | 1 kg | 96% |
| BLD Pharmatech Ltd. | China | $0.08 | 1 kg | 96% |
| A2B Chem LLC | United States | $0.08 | 1 kg | 95% |
| AA BLOCKS | United States | $0.09 | 1 kg | 95% |
| Fluorochem UK | United Kingdom | $0.09 | 500 g | 98% |
| Fluorochem EU | Germany | $0.10 | 500 g | 98% |
| BLD Pharmatech Co., Limited | United States | $0.11 | 1 kg | 96% |
| Ambeed, Inc. | United States | $0.11 | 1 kg | 96% |
| Combi-Blocks, Inc. | United States | $0.25 | 1 kg | 97% |
| AK Scientific Specialized | United States | $0.25 | 1 kg | 95% |
| AK Scientific, Inc. | United States | $0.35 | 1 kg | 98% |
| ALFA AESAR | Germany | $0.39 | 1 kg | 98% |
| Angene International Limited | United States | $0.72 | 500 g | 98% |
| Sigma-Aldrich (Rush Stock) | Germany | $0.74 | 500 g | 95% |
| Sigma-Aldrich | Germany | $0.74 | 500 g | 95% |
| Interbioscreen | Hong Kong | $24.00 | 10 g | 95% |
| Labotest KG | Germany | $217.80 | 5000 mg | 90% |
| Otava, Ltd. | Ukraine | $460.00 | 250 mg | 90% |
| Otava, Ltd. (2 weeks) | Ukraine | $2724.00 | 50 mg | 90% |
| 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 | 95% |
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
Glutaric anhydride (CAS 108-55-4) https://chemicalindependence.com/chemical/108-55-4/ EPA TSCA Inventory: CAS 108-55-4. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 108-55-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291719 for CAS 108-55-4. Reporting year: 2024. https://usatrade.census.gov/