3'-Methylphthalanilic acid

Drug ingredient

CAS 85-72-3

This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.

US productionNot reported

Import value, 2024$872M

Top sourceSwitzerland 44%

This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.

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 292429 · basket

These shares come from HS customs code 292429, which covers 203 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).

CH 44%SwitzerlandCN 19%ChinaIN 12%IndiaJP 9%JapanIE 6%Ireland

Taiwan
United Kingdom
El Salvador
Colombia
Ukraine
Brazil
Guatemala
Belgium
Netherlands
Turkey
Sweden
Greece
Canada
Israel
New Zealand
Latvia
Lithuania
Finland
Slovakia
Australia
Hong Kong
Czech Republic
Armenia
Poland

1 FDA-registered drug labeler

Professional Complementary Health Formulas

Why It Matters

Sectors

Health

Downstream Uses

Appears in 1 drug and cosmetic product listings (FDA).

•Bridged Phenyl Combination 9312

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

$5.70/gAA BLOCKS

CountryUnited States

Pack$285.00 / 50 g

PurityNot recorded

Vendors6 available

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

5 more vendors

Vendor	Country	$/g	Pack	Purity
A2B Chem LLC	United States	$8.70	10 g	—
Angene International Limited	United States	$331.00	1 g	90%
Labotest KG	Germany	$453.00	1000 mg	90%
Otava, Ltd.	Ukraine	$2280.00	50 mg	95%
ChemBridge Corporation	Kazakhstan	$9000.00	25 mg	90%

Chemical Identity

CAS85-72-3

PubChem CID6821

DTXSIDDTXSID0041486

FormulaC15H13NO3

Mol. Weight255.27 g/mol

SMILESCC1=CC(=CC=C1)NC(=O)C2=CC=CC=C2C(=O)O

Data Sources

PubChem · compound 6821Retrieved 2026-04-07
FDA National Drug Code directoryRetrieved 2026-04-25
FDA National Drug Code directoryRetrieved 2026-04-07
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

3'-Methylphthalanilic acid (CAS 85-72-3) https://chemicalindependence.com/chemical/85-72-3/ PubChem: 6821. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/6821 FDA National Drug Code directory: CAS 85-72-3. Retrieved 2026-04-25. https://open.fda.gov/data/ndc/ FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 292429 for CAS 85-72-3. Reporting year: 2024. https://usatrade.census.gov/