quinone

Drug ingredient

CAS 106-51-4

Companies reported imports and no US production of this drug ingredient to EPA for 2023.

US productionZero

Import value, 2024$35M

Import volume19.8K lb

Import dependency100%

Top sourceChina 49%

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.

quinone · US import value by year

2013: $105M · Peak 2015: $157M · 2024: $35M · 2025: $33M

Where It Comes From

Customs basis: HS 291469 · basket

EPA reports by year

2023: US production Zero · Imports 19.8K lb

These shares come from HS customs code 291469, which covers 31 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 49%ChinaIN 17%IndiaJP 11%JapanNL 9%NetherlandsIT 8%Italy

Germany
Taiwan
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.

Aceto Us

2 FDA-registered drug labelers

Guna spa

Professional Complementary Health Formulas

Why It Matters

Sectors

HealthCore Chemicals

Downstream Uses

Appears in 2 drug and cosmetic product listings (FDA).

•Cellular Oxygenator Drops 2095
•GUNA-Geriatrics

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

•Polymerization promoter in All Other Chemical Product and Preparation Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.11/gA2B Chem LLC

CountryUnited States

Pack$53.00 / 500 g

Purity97%

Vendors15 available

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

14 more vendors

Vendor	Country	$/g	Pack	Purity
AA BLOCKS	United States	$0.13	500 g	99%
ALFA AESAR	Germany	$0.18	1 kg	98%
Sigma-Aldrich (Rush Stock)	Germany	$0.18	1 kg	98%
Sigma-Aldrich	Germany	$0.18	1 kg	98%
Fluorochem UK	United Kingdom	$0.25	500 g	99%
AK Scientific Specialized	United States	$0.28	500 g	98%
AK Scientific, Inc.	United States	$0.39	500 g	99%
Cayman Europe	Estonia	$0.57	100 g	98%
Interbioscreen	Hong Kong	$10.00	10 g	95%
Labotest KG	Germany	$217.80	5000 mg	90%
Otava, Ltd.	Ukraine	$460.00	250 mg	95%
TargetMol Chemicals	China → United States	$592.00	500 mg	99.89%
Princeton BioMolecular Research (SC)	United States	$2900.00	100 mg	90%
Vitas M Chemical Limited	Hong Kong	$9000.00	10 mg	90%

Chemical Identity

CAS106-51-4

PubChem CID4650

DTXSIDDTXSID6020145

FormulaC6H4O2

Mol. Weight108.09 g/mol

SMILESC1=CC(=O)C=CC1=O

Data Sources

PubChem · compound 4650Retrieved 2026-04-07
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
FDA National Drug Code directoryRetrieved 2026-04-07
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

quinone (CAS 106-51-4) https://chemicalindependence.com/chemical/106-51-4/ PubChem: 4650. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/4650 EPA Chemical Data Reporting: 106-51-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 291469 for CAS 106-51-4. Reporting year: 2024. https://usatrade.census.gov/