Amifampridine phosphate
Drug ingredientCAS 446254-47-3
This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
US productionNot reported
Top sourceNo public record
This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.
Why supply is unknownWhere It Comes From
EPA and Census publish no US supply data for this chemical.
5 FDA-registered drug labelers
Catalent Micron Technologies, Inc.
Catalyst Pharmaceuticals, Inc.
HETERO DRUGS LIMITED
MSN Life Sciences Private Limited
Patheon Pharmaceuticals Inc.
Why It Matters
Sectors
Health
Downstream Uses
Appears in 1 drug and cosmetic product listings (FDA).
- •Firdapse
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
Chemical Identity
CAS446254-47-3
PubChem CID9920716
DTXSIDDTXSID40196254
FormulaC5H10N3O4P
Mol. Weight207.12 g/mol
SMILESC1=CN=CC(=C1N)N.OP(=O)(O)O
Data Sources
- PubChem · compound 9920716Retrieved 2026-04-07
- FDA National Drug Code directoryRetrieved 2026-04-25
- FDA National Drug Code directoryRetrieved 2026-04-07
Brief citations
Amifampridine phosphate (CAS 446254-47-3) https://chemicalindependence.com/chemical/446254-47-3/ PubChem: 9920716. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/9920716 FDA National Drug Code directory: CAS 446254-47-3. 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/