4,5-Dihydroxyimidazolidin-2-one

CAS 3720-97-6

Used in 1 industrial sector tracked by the EPA.

US production607.1K lb

Import volumeZero

Import dependency0%

Top sourceNo public record

Production is reported production, not a complete census of factories. Production reporting year: 2019. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 293329 · basket

EPA reports by year

2019: US production 607.1K lb · Imports Zero

HS customs code 293329 covers 173 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.

Harcros Chemicals

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.

Dystar

Why It Matters

Sectors

Metals & Mining

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

Vendor Pricing

$60.00/gAngene Chemical

CountryChina (registered: Hong Kong)

Pack$15.00 / 250 mg

Purity98%

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	$192.00	1 g	98%
A2B Chem LLC	United States	$257.00	1 g	98%
AA BLOCKS	United States	$335.00	1 g	98%
Combi-Blocks, Inc.	United States	$405.00	1 g	95%
AstaTech (2 weeks)	United States	$1090.00	100 mg	95%
Key Organics Ltd.	United Kingdom	$2740.00	50 mg	95%
Princeton BioMolecular Research (SC)	United States	$2900.00	100 mg	90%
Vitas M Chemical Limited	Hong Kong	$3170.00	100 mg	90%
Angene	China → Hong Kong	$4266.67	30 mg	98%
TimTec, LLC	United States	$13333.33	30 mg	90%

Chemical Identity

CAS3720-97-6

PubChem CID97915

DTXSIDDTXSID0052049

FormulaC3H6N2O3

Mol. Weight118.09 g/mol

SMILESC1(C(NC(=O)N1)O)O

Data Sources

EPA CompTox (DSSTox) · DTXSID0052049Retrieved 2026-04-06
PubChem · compound 97915Retrieved 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

4,5-Dihydroxyimidazolidin-2-one (CAS 3720-97-6) https://chemicalindependence.com/chemical/3720-97-6/ EPA CompTox (DSSTox): DTXSID0052049. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0052049 PubChem: 97915. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/97915 EPA Chemical Data Reporting: 3720-97-6. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 3720-97-6. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting