Cyclohexanone, 5-methyl-2-(1-methylethyl)-, (2R,5R)-rel-
CAS 491-07-6
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: $97M · 2024: $150M · Peak 2025: $159M
Where It Comes From
Customs basis: HS 291429 · basket
- 2023
- US production Zero · Imports 104 lb
These shares come from HS customs code 291429, which covers 163 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Slovakia
- Malaysia
- Netherlands
- Ukraine
- Singapore
- Brazil
- Romania
- United Kingdom
- Cyprus
- Canada
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.
18 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 |
|---|---|---|---|---|
| AA BLOCKS | United States | $0.16 | 1 kg | — |
| Chemscene | United States | $0.20 | 1 kg | — |
| Ambeed, Inc. | United States | $0.20 | 1 kg | 98% |
| Aaron Chemicals LLC | Hong Kong | $0.25 | 500 g | 95% |
| Combi-Blocks, Inc. | United States | $0.25 | 1 kg | 98% |
| Angene Chemical | China → Hong Kong | $0.27 | 500 g | 95% |
| MedChemExpress MCE | Sweden | $0.31 | 1 kg | 99.96% |
| ALFA AESAR | Germany | $0.46 | 1 kg | 98% |
| AK Scientific, Inc. | United States | $0.67 | 100 g | 99% |
| Angene International Limited | United States | $1.39 | 100 g | 99% |
| Cayman Europe | Estonia | $1.45 | 100 g | 95% |
| AstaTech (2 weeks) | United States | $3.20 | 25 g | 95% |
| TargetMol Chemicals | China → United States | $58.00 | 500 mg | 98% |
| Molnova | China | $76.00 | 500 mg | 99% |
| Labotest KG | Germany | $453.00 | 1000 mg | 90% |
| Otava, Ltd. (2 weeks) | Ukraine | $2724.00 | 50 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 95% |
| TimTec, LLC (back-ordered) | United States | $32000.00 | 15 mg | 94% |
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
Cyclohexanone, 5-methyl-2-(1-methylethyl)-, (2R,5R)-rel- (CAS 491-07-6) https://chemicalindependence.com/chemical/491-07-6/ EPA TSCA Inventory: CAS 491-07-6. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 491-07-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291429 for CAS 491-07-6. Reporting year: 2024. https://usatrade.census.gov/