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4-((5-Carbamoyl-o-tolyl)azo)-3-hydroxynaphth-2-anilide

CAS 16403-84-2

2-Naphthalenecarboxamide, 4-[2-[5-(aminocarbonyl)-2-methylphenyl]diazenyl]-3-hydroxy-N-phenyl-

Molecular structure of 16403-84-2
US productionNot reported
Import value, 2024$419M
Top sourceIndia 31%

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 320417 · basket

These shares come from HS customs code 320417, which covers 80 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IN 31%IndiaCN 21%ChinaDE 17%GermanyKR 6%South KoreaCA 5%Canada

Why It Matters

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

Chemical Identity

CAS16403-84-2
PubChem CIDNot recorded
DTXSIDDTXSID9066045
FormulaC25H20N4O3
Mol. Weight424.46 g/mol
SMILESCC1=C(C=C(C=C1)C(N)=O)N=NC1=C2C=CC=CC2=CC(C(=O)NC2=CC=CC=C2)=C1O

Data Sources

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Brief citations

4-((5-Carbamoyl-o-tolyl)azo)-3-hydroxynaphth-2-anilide (CAS 16403-84-2) https://chemicalindependence.com/chemical/16403-84-2/ EPA TSCA Inventory: CAS 16403-84-2. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 320417 for CAS 16403-84-2. Reporting year: 2024. https://usatrade.census.gov/