2-Methylquinoline

CAS 91-63-4

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$111M

Top sourceIndia 28%

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 293349 · basket

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 293349, which covers 94 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 28%IndiaCN 27%ChinaSE 12%SwedenKR 10%South KoreaGB 4%United Kingdom

Spain
Portugal
Germany
Netherlands
Israel
Australia
Taiwan
Lithuania
South Africa
Hong Kong

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.

Wego Chemical Group

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.

Cellmark Usa

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

•Surfactant (surface active agent) in All Other Basic Organic Chemical ManufacturingProcessing as a reactant

Vendor Pricing

$0.22/gAA BLOCKS

CountryUnited States

Pack$1088.00 / 5 kg

Purity98%

Vendors10 available

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

9 more vendors

Vendor	Country	$/g	Pack	Purity
A2B Chem LLC	United States	$0.24	1 kg	98%
Combi-Blocks, Inc.	United States	$0.32	500 g	98%
ALFA AESAR	Germany	$0.53	500 g	96%
AK Scientific, Inc.	United States	$0.55	100 g	98%
Fluorochem UK	United Kingdom	$1.72	25 g	95%
TargetMol Chemicals	China → United States	$29.00	1 g	—
Labotest KG	Germany	$217.80	5000 mg	90%
Otava, Ltd.	Ukraine	$2280.00	50 mg	95%
Otava, Ltd. (2 weeks)	Ukraine	$2724.00	50 mg	95%

Chemical Identity

CAS91-63-4

PubChem CID7060

DTXSIDDTXSID3040271

FormulaC10H9N

Mol. Weight143.18 g/mol

SMILESCC1=NC2=CC=CC=C2C=C1

Data Sources

EPA CompTox (DSSTox) · DTXSID3040271Retrieved 2026-04-06
PubChem · compound 7060Retrieved 2026-04-06
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-Methylquinoline (CAS 91-63-4) https://chemicalindependence.com/chemical/91-63-4/ EPA CompTox (DSSTox): DTXSID3040271. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID3040271 PubChem: 7060. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/7060 EPA Chemical Data Reporting: 91-63-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 91-63-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293349 for CAS 91-63-4. Reporting year: 2024. https://usatrade.census.gov/