2-Buten-1-one, 1-[(1R,2S)-2,6,6-trimethyl-3-cyclohexen-1-yl]-, (2E)-rel-

CAS 71048-82-3

U.S. production volumes are classified as confidential business information.

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Import value, 2024$150M

Top sourceIndia 25%

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production 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 291429 · basket

EPA reports by year

2023: US production Confidential · Imports Confidential

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.

Source Countries

Country of origin for US imports, from Census customs data (2024).

IN 25%IndiaES 18%SpainCN 12%ChinaIL 11%IsraelCH 9%Switzerland

Slovakia
Malaysia
Netherlands
Ukraine
Singapore
Brazil
Romania
United Kingdom
Cyprus
Canada

EPA-registered importers (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Makhteshim Agan Of North America, Inc. Dba Adama

Why It Matters

Sectors

Core Chemicals

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

•Fragrance in All Other Chemical Product and Preparation Manufacturing (100%)Processing—repackaging

Vendor Pricing

$0.31/gAA BLOCKS

CountryUnited States

Pack$1548.00 / 5 kg

Purity97%

Vendors3 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

2 more vendors

Vendor	Country	$/g	Pack	Purity
Aaron Chemicals LLC	Hong Kong	$0.33	100 g	95%
AstaTech (2 weeks)	United States	$7.06	100 g	95%

Chemical Identity

CAS71048-82-3

PubChem CIDNot recorded

DTXSIDDTXSID1052456

FormulaC13H20O

Mol. Weight192.302 g/mol

SMILESC\C=C\C(=O)[C@@H]1[C@@H](C)C=CCC1(C)C

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

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Brief citations

2-Buten-1-one, 1-[(1R,2S)-2,6,6-trimethyl-3-cyclohexen-1-yl]-, (2E)-rel- (CAS 71048-82-3) https://chemicalindependence.com/chemical/71048-82-3/ EPA TSCA Inventory: CAS 71048-82-3. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 71048-82-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 71048-82-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291429 for CAS 71048-82-3. Reporting year: 2024. https://usatrade.census.gov/