4-((4-Isopropoxyphenyl)sulfonyl)phenol

CAS 95235-30-6

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

US productionZero

Import value, 2024$760M

Import volume482.0K lb

Import dependency100%

Top sourceChina 33%

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.

4-((4-Isopropoxyphenyl)sulfonyl)phenol · 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 Zero · Imports 482.0K lb
2019: US production Zero · Imports 554.6K 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

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.

Ricoh Electronics

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.

Target

Why It Matters

Sectors

Paper & Printing

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

$0.08/gAaron Chemicals LLC

CountryHong Kong

Pack$760.00 / 10 kg

Purity97%

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	97%
A2B Chem LLC	United States	$0.25	500 g	97%
Combi-Blocks, Inc.	United States	$0.32	1 kg	98%
AA BLOCKS	United States	$0.32	500 g	97%
AK Scientific Specialized	United States	$0.36	500 g	97%
BLD Pharmatech Co., Limited	United States	$0.40	100 g	97%
BLD Pharmatech Ltd.	China	$0.40	100 g	97%
Ambeed, Inc.	United States	$0.40	100 g	97%
AK Scientific, Inc.	United States	$0.50	500 g	99%
BLD Pharmatech GmbH	Germany	$0.84	25 g	97%
Angene International Limited	United States	$0.84	500 g	99%
Synthonix	United States	$2.00	10 g	97%
AstaTech (2 weeks)	United States	$2.16	100 g	95%
Angene	China → Hong Kong	$4266.67	30 mg	97%

Chemical Identity

CAS95235-30-6

PubChem CID9904141

DTXSIDDTXSID2058706

FormulaC15H16O4S

Mol. Weight292.4 g/mol

SMILESCC(C)OC1=CC=C(C=C1)S(=O)(=O)C2=CC=C(C=C2)O

Data Sources

EPA CompTox (DSSTox) · DTXSID2058706Retrieved 2026-04-06
PubChem · compound 9904141Retrieved 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

4-((4-Isopropoxyphenyl)sulfonyl)phenol (CAS 95235-30-6) https://chemicalindependence.com/chemical/95235-30-6/ EPA CompTox (DSSTox): DTXSID2058706. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID2058706 PubChem: 9904141. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/9904141 EPA Chemical Data Reporting: 95235-30-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 95235-30-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293090 for CAS 95235-30-6. Reporting year: 2024. https://usatrade.census.gov/