Terbinafine

Drug ingredient

CAS 91161-71-6

This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.

US productionNot reported

Import value, 2024$41M

Top sourceIndia 37%

This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.

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 292149 · basket

These shares come from HS customs code 292149, which covers 80 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 37%IndiaCN 25%ChinaDE 14%GermanyMX 9%MexicoGB 4%United Kingdom

Israel
Ireland
Czech Republic
Singapore
Slovakia
Lithuania
Belgium
Australia

2 FDA-registered drug labelers

Derivados Quimicos SAU

Shenzhen Wankelai E-commerce Co., Ltd.

Why It Matters

Sectors

Health

Downstream Uses

Appears in 1 drug and cosmetic product listings (FDA).

•Toenail Fungus Treatment

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

Vendor Pricing

$0.41/gAaron Chemicals LLC

CountryHong Kong

Pack$205.00 / 500 g

Purity98%

Vendors23 available

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

22 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.44	500 g	98%
Combi-Blocks, Inc.	United States	$1.80	100 g	98%
A2B Chem LLC	United States	$1.80	100 g	98%
AK Scientific Specialized	United States	$1.80	100 g	95%
AA BLOCKS	United States	$2.07	100 g	98%
AK Scientific, Inc.	United States	$2.41	100 g	98%
AstaTech, Inc	United States	$2.95	100 g	99%
BLD Pharmatech GmbH	Germany	$2.95	100 g	98%
BLD Pharmatech Ltd.	China	$2.95	100 g	98%
Ambeed, Inc.	United States	$3.24	100 g	98%
BLD Pharmatech Co., Limited	United States	$3.24	100 g	98%
Apollo Scientific UK	United Kingdom	$3.62	100 g	98%
Fulfilled by Molport	Latvia	$50.00	100 mg	98%
MedKoo Biosciences, Inc	United States	$190.00	5 g	98%
Molnova	China	$355.00	200 mg	99%
TargetMol Chemicals	China → United States	$395.00	200 mg	99.99%
Apexbio Technology LLC	United States	$425.00	200 mg	99.12%
MedChemExpress MCE	Sweden	$425.92	500 mg	99.96%
Axon Medchem	Netherlands	$1200.00	50 mg	100%
Angene International Limited	United States	$1400.00	100 mg	99%
Angene	China → Hong Kong	$4266.67	30 mg	98%
Key Organics Ltd.	United Kingdom	$6900.00	10 mg	97%

Chemical Identity

CAS91161-71-6

PubChem CID1549008

DTXSIDDTXSID2023640

FormulaC21H25N

Mol. Weight291.4 g/mol

SMILESCC(C)(C)C#CC=CCN(C)CC1=CC=CC2=CC=CC=C21

Data Sources

PubChem · compound 1549008Retrieved 2026-04-07
FDA National Drug Code directoryRetrieved 2026-04-25
FDA National Drug Code directoryRetrieved 2026-04-07
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Terbinafine (CAS 91161-71-6) https://chemicalindependence.com/chemical/91161-71-6/ PubChem: 1549008. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/1549008 FDA National Drug Code directory: CAS 91161-71-6. Retrieved 2026-04-25. https://open.fda.gov/data/ndc/ FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 292149 for CAS 91161-71-6. Reporting year: 2024. https://usatrade.census.gov/