Methyl 3-(methylthio)propionate

CAS 13532-18-8

Companies reported imports and no US production of this chemical to EPA for 2019.

US productionZero

Import value, 2024$760M

Import volume42 lb

Import dependency100%

Top sourceChina 33%

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.

Methyl 3-(methylthio)propionate · US import value by year

2013: $743M · Peak 2022: $984M · 2024: $760M · 2025: $751M

Where It Comes From

Customs basis: HS 293090 · basket

EPA reports by year

2023: US production Not published · Imports Not published
2019: US production Zero · Imports 42 lb

These shares come from HS customs code 293090, which covers 418 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 33%ChinaES 14%SpainCH 9%SwitzerlandIT 7%ItalyIN 7%India

Israel
Croatia
Ukraine
Slovakia
United Arab Emirates
Ireland
Poland
Lithuania
Brazil
Singapore
Australia
Armenia
Hong Kong
Vietnam
Czech Republic
Hungary
Greece
Russia

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.

Reckitt Benckiser

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Vendor Pricing

$0.08/gAaron Chemicals LLC

CountryHong Kong

Pack$41.00 / 500 g

Purity98%

Vendors15 available

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

14 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.09	500 g	98%
A2B Chem LLC	United States	$0.16	500 g	98%
Sigma-Aldrich (Rush Stock)	Germany	$0.16	5 kg	98%
Sigma-Aldrich	Germany	$0.16	5 kg	98%
AA BLOCKS	United States	$0.20	500 g	98%
Combi-Blocks, Inc.	United States	$0.30	500 g	98%
Ambeed, Inc.	United States	$0.40	100 g	97%
MedChemExpress MCE	Sweden	$0.52	500 g	99.78%
AK Scientific, Inc.	United States	$0.59	500 g	98%
ALFA AESAR	Germany	$0.66	500 g	98%
Angene International Limited	United States	$0.98	500 g	98%
ChemDiv, Inc.	United States	$18.00	50 g	90%
Labotest KG	Germany	$453.00	1000 mg	90%
Angene	China → Hong Kong	$4266.67	30 mg	98%

Chemical Identity

CAS13532-18-8

PubChem CID61641

DTXSIDDTXSID0047402

FormulaC5H10O2S

Mol. Weight134.2 g/mol

SMILESCOC(=O)CCSC

Data Sources

EPA CompTox (DSSTox) · DTXSID0047402Retrieved 2026-04-06
PubChem · compound 61641Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Methyl 3-(methylthio)propionate (CAS 13532-18-8) https://chemicalindependence.com/chemical/13532-18-8/ EPA CompTox (DSSTox): DTXSID0047402. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0047402 PubChem: 61641. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/61641 EPA Chemical Data Reporting: 13532-18-8. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293090 for CAS 13532-18-8. Reporting year: 2024. https://usatrade.census.gov/