aminosalicylic acid

Drug ingredient

CAS 65-49-6

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

Molecular structure of 65-49-6
US productionNot reported
Import value, 2024$652M
Top sourceSingapore 77%

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 292250 · basket

These shares come from HS customs code 292250, which covers 76 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
SG 77%SingaporeCN 12%ChinaIT 4%ItalyIN 2%IndiaGB 1%United Kingdom
1 FDA-registered drug labeler
Coating Place, LLC

Why It Matters

Sectors
Health
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$0.07/gA2B Chem LLC
CountryUnited States
Pack$75.00 / 1 kg
Purity96%
Vendors32 available

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

Chemical Identity

CAS65-49-6
PubChem CID4649
DTXSIDDTXSID2022591
FormulaC7H7NO3
Mol. Weight153.14 g/mol
SMILESC1=CC(=C(C=C1N)O)C(=O)O

Data Sources

Brief citations

aminosalicylic acid (CAS 65-49-6) https://chemicalindependence.com/chemical/65-49-6/ PubChem: 4649. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/4649 EPA TSCA Inventory: CAS 65-49-6. Retrieved 2026-04-24. https://www.epa.gov/tsca-inventory FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 292250 for CAS 65-49-6. Reporting year: 2024. https://usatrade.census.gov/