Echothiophate iodide

Drug ingredientActive Shortage

CAS 513-10-0

This drug ingredient is in active FDA shortage. At least one manufacturer cannot meet demand.

US productionNot reported

Import value, 2024$760M

Top sourceChina 33%

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 293090 · basket

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

1 FDA-registered drug labeler

Curia New York, Inc.

Why It Matters

Sectors

Health

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."

Active Shortage

Shortage History

Rows group FDA shortage filings by drug product. Each manufacturer makes its own FDA shortage filing, so one product can carry several reports at once: Available, Limited Availability, Unavailable or to be discontinued.

Current shortage
Echothiophate Iodide Ophthalmic Solution
Shortage listed since September 24, 2019
Manufacturer reports: 1 available

See all current drug shortages

Vendor Pricing

$3000.00/gCombi-Blocks (back-ordered)

CountryUnited States

Pack$750.00 / 250 mg

Purity95%

Vendors5 available

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

4 more vendors

Vendor	Country	$/g	Pack	Purity
A2B Chem LLC	United States	$3184.00	250 mg	98%
AA BLOCKS	United States	$3360.00	250 mg	98%
Cayman Europe	Estonia	$38318.00	10 mg	98%
MedKoo Biosciences, Inc	United States	$65000.00	10 mg	98%

Chemical Identity

CAS513-10-0

PubChem CID10547

DTXSIDDTXSID1022976

FormulaC9H23INO3PS

Mol. Weight383.23 g/mol

SMILESCCOP(=O)(OCC)SCC[N+](C)(C)C.[I-]

Data Sources

PubChem · compound 10547Retrieved 2026-04-07
FDA National Drug Code directoryRetrieved 2026-04-25
FDA Drug ShortagesRetrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Echothiophate iodide (CAS 513-10-0) https://chemicalindependence.com/chemical/513-10-0/ PubChem: 10547. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/10547 FDA National Drug Code directory: CAS 513-10-0. Retrieved 2026-04-25. https://open.fda.gov/data/ndc/ FDA Drug Shortages: CAS 513-10-0. Retrieved 2026-10-04. https://www.accessdata.fda.gov/scripts/drugshortages/ US Census international trade: HS 293090 for CAS 513-10-0. Reporting year: 2024. https://usatrade.census.gov/