N-(Chloromethylidene)-N-methylmethanaminium chloride

CAS 3724-43-4

Used in 1 industrial sector tracked by the EPA.

Molecular structure of 3724-43-4 — 1 Cl⁻

US production225.7K lb

Import volumeZero

Import dependency0%

Top sourceNo public record

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.

Where It Comes From

Customs basis: HS 292529 · basket

EPA reports by year

2023: US production 225.7K lb · Imports Zero
2019: US production 306.8K lb · Imports Zero

HS customs code 292529 covers 64 tracked chemicals in total. US Census does not break out this chemical's share, so the country-of-origin mix is not available. EPA CDR reports import dependency at the chemical level separately, shown above.

EPA-registered manufacturers (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Vandemark Chemical

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 FDA shortage records

Industrial Uses

•Intermediate in Pharmaceutical and Medicine Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$2.09/gManchester Organics

CountryUnited Kingdom

Pack$521.72 / 250 g

Purity90%

Vendors9 available

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

8 more vendors

Vendor	Country	$/g	Pack	Purity
AA BLOCKS	United States	$2.60	250 g	95%
A2B Chem LLC	United States	$2.87	250 g	95%
AstaTech, Inc	United States	$3.98	250 g	95%
Fluorochem UK	United Kingdom	$4.29	100 g	95%
Sigma-Aldrich (Rush Stock)	Germany	$7.37	25 g	95%
Sigma-Aldrich	Germany	$7.37	25 g	95%
AK Scientific, Inc.	United States	$14.20	5 g	95%
Fluorochem EU	Germany	$16.94	5 g	95%

Chemical Identity

CAS3724-43-4

PubChem CID77311

DTXSIDDTXSID7044423

FormulaC3H7Cl2N

Mol. Weight128 g/mol

SMILESC[N+](=CCl)C.[Cl-]

Data Sources

EPA CompTox (DSSTox) · DTXSID7044423Retrieved 2026-04-06
PubChem · compound 77311Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04

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Brief citations

N-(Chloromethylidene)-N-methylmethanaminium chloride (CAS 3724-43-4) https://chemicalindependence.com/chemical/3724-43-4/ EPA CompTox (DSSTox): DTXSID7044423. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID7044423 PubChem: 77311. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/77311 EPA Chemical Data Reporting: 3724-43-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 3724-43-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting