Ethacridine lactate

Drug ingredient

CAS 1837-57-6

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

Molecular structure of 1837-57-6
US productionNot reported
Import value, 2024$1.4B
Top sourceIreland 33%

EPA lists this chemical as inactive, meaning no company reported making, importing or processing it in the US from 2006 to 2016.

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 293399 · basket

These shares come from HS customs code 293399, which covers 518 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IE 33%IrelandCN 26%ChinaIN 11%IndiaDE 9%GermanyIT 4%Italy
1 FDA-registered drug labeler
PROCOS S.p.A.

Why It Matters

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

Vendor Pricing

$1.30/gCombi-Blocks, Inc.
CountryUnited States
Pack$648.00 / 500 g
Purity98%
Vendors20 available

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

Chemical Identity

CAS1837-57-6
PubChem CID15789
DTXSIDDTXSID10872472
FormulaC18H21N3O4
Mol. Weight343.4 g/mol
SMILESCCOC1=CC2=C(C3=C(C=C(C=C3)N)N=C2C=C1)N.CC(C(=O)O)O

Data Sources

Brief citations

Ethacridine lactate (CAS 1837-57-6) https://chemicalindependence.com/chemical/1837-57-6/ PubChem: 15789. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/15789 EPA TSCA Inventory: CAS 1837-57-6. 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 293399 for CAS 1837-57-6. Reporting year: 2024. https://usatrade.census.gov/