tert-Butyl 3-oxobutanoate

CAS 1694-31-1

Companies reported imports and no US production of this chemical to EPA for 2023.

US productionZero

Import value, 2024$65M

Import volume35.3K lb

Import dependency100%

Top sourceChina 20%

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.

tert-Butyl 3-oxobutanoate · US import value by year

2013: $59M · Peak 2022: $93M · 2024: $65M · 2025: $69M

Where It Comes From

Customs basis: HS 291830 · basket

EPA reports by year

2023: US production Zero · Imports 35.3K lb
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 291830, which covers 98 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

CN 20%ChinaIN 19%IndiaIT 19%ItalyCH 15%SwitzerlandJP 15%Japan

Netherlands
Ukraine
United Kingdom
New Zealand
Taiwan
Malaysia
Belgium
Madagascar
South Korea
Israel

EPA-registered importers (1)

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

Aceto Us

Why It Matters

Sectors

Core Chemicals

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

•Surface modifier in All Other Chemical Product and Preparation Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.02/gAaron Chemicals LLC

CountryHong Kong

Pack$9.00 / 500 g

Purity97%

Vendors19 available

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

18 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.02	1 kg	97%
AA BLOCKS	United States	$0.03	1 kg	97%
A2B Chem LLC	United States	$0.03	1 kg	97%
BLD Pharmatech Co., Limited	United States	$0.04	1 kg	97%
BLD Pharmatech GmbH	Germany	$0.04	1 kg	97%
BLD Pharmatech Ltd.	China	$0.04	1 kg	97%
Ambeed, Inc.	United States	$0.04	1 kg	97%
Chemscene	United States	$0.05	1 kg	—
Fluorochem UK	United Kingdom	$0.13	100 g	95%
Manchester Organics	United Kingdom	$0.17	250 g	98%
Combi-Blocks, Inc.	United States	$0.25	1 kg	97%
ALFA AESAR	Germany	$0.34	100 g	98%
Angene International Limited	United States	$1.53	100 g	97%
AstaTech, Inc	United States	$4.00	10 g	95%
HTS Biochemie Innovationen	Germany	$120.00	10 g	95%
Labotest KG	Germany	$217.80	5000 mg	90%
Otava, Ltd.	Ukraine	$408.00	250 mg	95%
Angene	China → Hong Kong	$4266.67	30 mg	97%

Chemical Identity

CAS1694-31-1

PubChem CID15538

DTXSIDDTXSID4044402

FormulaC8H14O3

Mol. Weight158.19 g/mol

SMILESCC(=O)CC(=O)OC(C)(C)C

Data Sources

EPA CompTox (DSSTox) · DTXSID4044402Retrieved 2026-04-06
PubChem · compound 15538Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

tert-Butyl 3-oxobutanoate (CAS 1694-31-1) https://chemicalindependence.com/chemical/1694-31-1/ EPA CompTox (DSSTox): DTXSID4044402. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4044402 PubChem: 15538. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/15538 EPA Chemical Data Reporting: 1694-31-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 1694-31-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291830 for CAS 1694-31-1. Reporting year: 2024. https://usatrade.census.gov/