Acetaldehyde, dimethoxy-

CAS 51673-84-8

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

US productionZero

Top sourceNo public record

EPA lists this chemical for 2019 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

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.

Penn A Kem

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 ManufacturingProcessing as a reactant

Vendor Pricing

$0.40/gA2B Chem LLC

CountryUnited States

Pack$402.00 / 1 kg

Purity60%

Vendors19 available

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

18 more vendors

Vendor	Country	$/g	Pack	Purity
AA BLOCKS	United States	$0.45	1 kg	60%
Aaron Chemicals LLC	Hong Kong	$0.46	500 g	60%
ALFA AESAR	Germany	$0.49	2 kg	—
Angene Chemical	China → Hong Kong	$0.50	500 g	60%
BLD Pharmatech Co., Limited	United States	$0.56	1 kg	60%
BLD Pharmatech Ltd.	China	$0.56	1 kg	60%
Ambeed, Inc.	United States	$0.56	1 kg	60%
Combi-Blocks, Inc.	United States	$0.56	1 kg	95%
Manchester Organics	United Kingdom	$0.61	500 g	—
BLD Pharmatech GmbH	Germany	$0.64	500 g	60%
Apollo Scientific US	United Kingdom	$0.85	500 g	95%
AK Scientific, Inc.	United States	$1.12	100 g	60%
Synthonix	United States	$1.20	25 g	90%
AstaTech, Inc	United States	$1.68	100 g	95%
Angene International Limited	United States	$2.08	100 g	60%
Angene	China → Hong Kong	$4266.67	30 mg	60%
Asinex	Netherlands	$6461.40	100 mg	90%
TimTec, LLC (back-ordered)	United States	$32000.00	15 mg	94%

Chemical Identity

CAS51673-84-8

PubChem CID162650

DTXSIDDTXSID5068659

FormulaC4H8O3

Mol. Weight104.1 g/mol

SMILESCOC(C=O)OC

Data Sources

EPA CompTox (DSSTox) · DTXSID5068659Retrieved 2026-04-06
PubChem · compound 162650Retrieved 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

Acetaldehyde, dimethoxy- (CAS 51673-84-8) https://chemicalindependence.com/chemical/51673-84-8/ EPA CompTox (DSSTox): DTXSID5068659. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID5068659 PubChem: 162650. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/162650 EPA Chemical Data Reporting: 51673-84-8. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 51673-84-8. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting