5-Chloro-2-methyl-3(2H)-isothiazolone

Drug ingredient

America imports all of this drug ingredient. EPA records show zero U.S. production.

Molecular structure of 26172-55-4
US ProductionZero
Import Volume7.7K lbs
Import Dependency100%

Where It Comes From

EPA-registered importers (2)
Industrias Alen S A De C V · MX Mexico
Alen Usa

Why It Matters

Sectors
HealthConsumer Products
Downstream Uses

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

  • Anubis Barcelona Regul Oil
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 1 sector as 1 functional role.

  • Preservative in Wholesale and Retail Trade (100%)Use—non-incorporative activities

Vendor Pricing

$0.49/gAaron Chemicals LLC
CountryHong Kong
Pack$243.00 / 500 g
Purity2.5%
Vendors11 available

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

10 more vendors
VendorCountry$/gPackPurity
Angene ChemicalChina Hong Kong$0.52500 g2.5%
Combi-Blocks, Inc.United States$1.50500 g70%
A2B Chem LLCUnited States$1.59500 g68%
AA BLOCKSUnited States$1.68500 g14%
Biopharma PEG Scientific Inc.United States$2.40100 g96%
AstaTech, IncUnited States$2.50100 g14%
AK Scientific, Inc.United States$2.50100 g14%
Angene International LimitedUnited States$7.3225 g14%
Fluorochem UKUnited Kingdom$9.7225 g68%
AngeneChina Hong Kong$4266.6730 mg2.5%

Chemical Identity

CAS26172-55-4
PubChem CID33344
DTXSIDDTXSID9034286
FormulaC4H4ClNOS
Mol. Weight149.6 g/mol
SMILESCN1C(=O)C=C(S1)Cl

Data Sources

DTXSID90342862026-04-06

https://doi.org/10.23645/epacomptox.5588566

Archive: data/sources/comptox/dsstox_identifiers.csv

333442026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/33344/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/33344.json

26172-55-42026-04-24

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr.csv

CAS 26172-55-42026-04-25

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr_industrial.csv