Memantine

Drug ingredient

CAS 19982-08-2

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

US productionNot reported

Import value, 2024$56M

Top sourceCzech Republic 24%

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 292130 · basket

These shares come from HS customs code 292130, which covers 39 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).

CZ 24%Czech RepublicBE 18%BelgiumDE 17%GermanyCN 16%ChinaCA 4%Canada

Portugal
Austria
Latvia
Slovakia
Israel
New Zealand

1 FDA-registered drug labeler

Olon SpA

Why It Matters

Sectors

Health

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 Shortage

Vendor Pricing

$9.61/gAngene Chemical

CountryChina (registered: Hong Kong)

Pack$961.00 / 100 g

Purity97%

Vendors11 available

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

10 more vendors

Vendor	Country	$/g	Pack	Purity
Aaron Chemicals LLC	Hong Kong	$10.05	100 g	97%
A2B Chem LLC	United States	$56.20	5 g	98%
AA BLOCKS	United States	$73.20	5 g	98%
AstaTech, Inc	United States	$77.00	5 g	95%
Key Organics Ltd.	United Kingdom	$189.00	1 g	95%
Angene International Limited	United States	$820.00	250 mg	95%
TargetMol Chemicals	China → United States	$1070.00	500 mg	98%
Otava, Ltd. (2 weeks)	Ukraine	$2724.00	50 mg	90%
ChemDiv, Inc.	United States	$4070.00	100 mg	90%
Angene	China → Hong Kong	$4266.67	30 mg	97%

Chemical Identity

CAS19982-08-2

PubChem CID4054

DTXSIDDTXSID5045174

FormulaC12H21N

Mol. Weight179.3 g/mol

SMILESCC12CC3CC(C1)(CC(C3)(C2)N)C

Data Sources

PubChem · compound 4054Retrieved 2026-04-07
FDA National Drug Code directoryRetrieved 2026-04-25
FDA Drug ShortagesRetrieved 2026-06-13
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Memantine (CAS 19982-08-2) https://chemicalindependence.com/chemical/19982-08-2/ PubChem: 4054. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/4054 FDA National Drug Code directory: CAS 19982-08-2. Retrieved 2026-04-25. https://open.fda.gov/data/ndc/ FDA Drug Shortages: CAS 19982-08-2. Retrieved 2026-06-13. https://www.accessdata.fda.gov/scripts/drugshortages/ US Census international trade: HS 292130 for CAS 19982-08-2. Reporting year: 2024. https://usatrade.census.gov/