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[3,3'-Bifuran]-2,2',5,5'-tetrone, tetrahydro-

CAS 4534-73-0

Molecular structure of 4534-73-0
US productionNot reported
Import value, 2024$139M
Top sourceChina 67%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Production is reported production, not a complete census of factories. 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

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.

Source Countries
CN 67%ChinaCA 13%CanadaAT 4%AustriaIN 4%IndiaJP 4%Japan

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Vendor Pricing

$3.88/gA2B Chem LLC
CountryUnited States
Pack$97.00 / 25 g
Purity97%
Vendors7 available

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

6 more vendors
VendorCountry$/gPackPurity
AA BLOCKSUnited States$4.1625 g97%
Aaron Chemicals LLCHong Kong$5.4425 g98%
Angene ChemicalChina → Hong Kong$5.8825 g98%
Angene International LimitedUnited States$14.1625 g98%
Ambeed, Inc.United States$43.805 g97%
AngeneChina → Hong Kong$4266.6730 mg98%

Chemical Identity

CAS4534-73-0
PubChem CIDNot recorded
DTXSIDDTXSID20884086
FormulaC8H6O6
Mol. Weight198.13 g/mol
SMILESO=C1CC(C2CC(=O)OC2=O)C(=O)O1

Data Sources

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Brief citations

[3,3'-Bifuran]-2,2',5,5'-tetrone, tetrahydro- (CAS 4534-73-0) https://chemicalindependence.com/chemical/4534-73-0/ EPA TSCA Inventory: CAS 4534-73-0. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 291719 for CAS 4534-73-0. Reporting year: 2024. https://usatrade.census.gov/