2,4-Dihydro-4-methyl-5-propoxy-3H-1,2,4-triazol-3-one

CAS 145027-96-9

EPA’s 2019 records show zero U.S. production of this chemical.

US productionZero

Top sourceNo public record

EPA lists this chemical for 2023 but publishes zero or no volume for both production and imports.

Why supply is unknown

Production is reported production, not a complete census of factories. Production reporting year: 2019.

Where It Comes From

EPA reports by year

2023: US production Not published · Imports Not published
2019: US production Zero · Imports Zero

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.

Weylchem Us

Why It Matters

Sectors

Agriculture

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 Pesticide, Fertilizer, and Other Agricultural Chemical ManufacturingProcessing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$1.49/gAaron Chemicals LLC

CountryHong Kong

Pack$745.00 / 500 g

Purity98%

Vendors7 available

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

6 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$1.59	500 g	98%
Combi-Blocks, Inc.	United States	$33.60	25 g	95%
A2B Chem LLC	United States	$35.64	25 g	95%
AA BLOCKS	United States	$37.60	25 g	95%
AstaTech (2 weeks)	United States	$388.80	5 g	95%
Angene	China → Hong Kong	$4266.67	30 mg	98%

Chemical Identity

CAS145027-96-9

PubChem CID11321092

DTXSIDDTXSID00888981

FormulaC6H11N3O2

Mol. Weight157.17 g/mol

SMILESCCCOC1=NNC(=O)N1C

Data Sources

EPA CompTox (DSSTox) · DTXSID00888981Retrieved 2026-04-06
PubChem · compound 11321092Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04

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Brief citations

2,4-Dihydro-4-methyl-5-propoxy-3H-1,2,4-triazol-3-one (CAS 145027-96-9) https://chemicalindependence.com/chemical/145027-96-9/ EPA CompTox (DSSTox): DTXSID00888981. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID00888981 PubChem: 11321092. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/11321092 EPA Chemical Data Reporting: 145027-96-9. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 145027-96-9. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting