Oxirane, 2,3-dimethyl-

CAS 3266-23-7

Molecular structure of 3266-23-7
US productionNot reported
Import value, 2024$87M
Top sourceChina 27%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

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

Where It Comes From

Customs basis: HS 291090 · basket

These shares come from HS customs code 291090, which covers 69 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 27%ChinaJP 26%JapanIT 15%ItalyDE 6%GermanyIN 5%India

Why It Matters

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

Vendor Pricing

$37.44/gALFA AESAR
CountryGermany
Pack$187.20 / 5 g
Purity97%
Vendors10 available

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

Chemical Identity

CAS3266-23-7
PubChem CIDNot recorded
DTXSIDDTXSID5025239
FormulaC4H8O
Mol. Weight72.107 g/mol
SMILESCC1OC1C

Data Sources

Brief citations

Oxirane, 2,3-dimethyl- (CAS 3266-23-7) https://chemicalindependence.com/chemical/3266-23-7/ EPA TSCA Inventory: CAS 3266-23-7. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 291090 for CAS 3266-23-7. Reporting year: 2024. https://usatrade.census.gov/