Furan, 2,5-dihydro-2,5-dimethoxy-

CAS 332-77-4

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$64M

Top sourceChina 37%

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 293219 · basket

EPA reports by year

2023: US production Confidential · Imports Confidential

These shares come from HS customs code 293219, which covers 136 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).

CN 37%ChinaIT 23%ItalyJP 20%JapanIN 12%IndiaES 2%Spain

Belgium
Germany
Netherlands
Canada
Mexico
Slovakia
Malaysia
Portugal
Taiwan
Sweden
Latvia
Israel

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Penn A Kem

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

•Intermediate in All Other Basic Organic Chemical Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.07/gAaron Chemicals LLC

CountryHong Kong

Pack$36.00 / 500 g

Purity95%

Vendors15 available

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

14 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.08	500 g	95%
A2B Chem LLC	United States	$0.12	500 g	98%
AA BLOCKS	United States	$0.15	500 g	95%
Ambeed, Inc.	United States	$0.15	500 g	95%
MedChemExpress MCE	Sweden	$0.17	500 g	—
AK Scientific, Inc.	United States	$0.17	500 g	90%
Combi-Blocks, Inc.	United States	$0.25	1 kg	98%
ALFA AESAR	Germany	$0.60	500 g	99%
Sigma-Aldrich (Rush Stock)	Germany	$1.50	100 g	97%
Sigma-Aldrich	Germany	$1.50	100 g	97%
Angene International Limited	United States	$2.40	25 g	90%
Interbioscreen	Hong Kong	$41.00	10 g	95%
TargetMol Chemicals	China → United States	$50.00	1 g	95.01%
Angene	China → Hong Kong	$4266.67	30 mg	95%

Chemical Identity

CAS332-77-4

PubChem CIDNot recorded

DTXSIDDTXSID20870505

FormulaC6H10O3

Mol. Weight130.143 g/mol

SMILESCOC1OC(OC)C=C1

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

Furan, 2,5-dihydro-2,5-dimethoxy- (CAS 332-77-4) https://chemicalindependence.com/chemical/332-77-4/ EPA TSCA Inventory: CAS 332-77-4. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 332-77-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 332-77-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293219 for CAS 332-77-4. Reporting year: 2024. https://usatrade.census.gov/