Fostamatinib disodium

Drug ingredient

CAS 1025687-58-4

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

Molecular structure of 1025687-58-4 — 6 H₂O · 2 Na⁺

US productionNot reported

Import value, 2024$6.4B

Top sourceSingapore 36%

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 293499 · basket

These shares come from HS customs code 293499, which covers 575 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).

SG 36%SingaporeIE 23%IrelandCN 11%ChinaCH 6%SwitzerlandIN 5%India

Finland
Netherlands
Canada
Indonesia
Mexico
Taiwan
South Korea
Austria
Croatia
Sweden
Ukraine
Denmark
Israel
Czech Republic
New Zealand
Hong Kong
Kyrgyzstan
Australia
Portugal
South Africa
Poland
Slovenia
Brazil
Slovakia
Vietnam
Latvia
Malta
Hungary
Romania
Kenya
Belarus
Russia
Turkey
Norway

1 FDA-registered drug labeler

HETERO LABS LIMITED

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."

No FDA shortage records

Vendor Pricing

$1140.00/gCombi-Blocks (back-ordered)

CountryUnited States

Pack$1140.00 / 1 g

Purity95%

Vendors12 available

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

11 more vendors

Vendor	Country	$/g	Pack	Purity
BLD Pharmatech Ltd.	China	$1184.00	1 g	98%
Aaron Chemicals LLC	Hong Kong	$1420.00	250 mg	98%
Angene Chemical	China → Hong Kong	$1432.00	250 mg	98%
BLD Pharmatech Co., Limited	United States	$1732.00	250 mg	98%
Ambeed, Inc.	United States	$1732.00	250 mg	98%
A2B Chem LLC	United States	$1820.00	100 mg	98%
AA BLOCKS	United States	$2020.00	100 mg	98%
BLD Pharmatech GmbH	Germany	$2320.00	100 mg	98%
MedChemExpress MCE	Sweden	$8845.10	100 mg	99.51%
Angene International Limited	United States	$11710.00	100 mg	98%
AstaTech (2 weeks)	United States	$13340.00	100 mg	95%

Chemical Identity

CAS1025687-58-4

PubChem CID24828759

DTXSIDDTXSID70145275

FormulaC23H36FN6Na2O15P

Mol. Weight732.5 g/mol

SMILESCC1(C(=O)N(C2=C(O1)C=CC(=N2)NC3=NC(=NC=C3F)NC4=CC(=C(C(=C4)OC)OC)OC)COP(=O)([O-])[O-])C.O.O.O.O.O.O.[Na+].[Na+]

Data Sources

PubChem · compound 24828759Retrieved 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

Fostamatinib disodium (CAS 1025687-58-4) https://chemicalindependence.com/chemical/1025687-58-4/ PubChem: 24828759. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/24828759 FDA National Drug Code directory: CAS 1025687-58-4. 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 293499 for CAS 1025687-58-4. Reporting year: 2024. https://usatrade.census.gov/