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Aficamten

Drug ingredient

CAS 2364554-48-1

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

Molecular structure of 2364554-48-1
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
SG 36%SingaporeIE 23%IrelandCN 11%ChinaCH 6%SwitzerlandIN 5%India
2 FDA-registered drug labelers
Cambrex Charles City, Inc.
Cytokinetics Inc.

Why It Matters

Sectors
Health
Downstream Uses

Appears in 1 drug and cosmetic product listings (FDA).

  • •Myqorzo
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS2364554-48-1
PubChem CID139331495
DTXSIDDTXSID501358934
FormulaC18H19N5O2
Mol. Weight337.4 g/mol
SMILESCCC1=NC(=NO1)C2=CC3=C(C=C2)C(CC3)NC(=O)C4=CN(N=C4)C

Data Sources

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Brief citations

Aficamten (CAS 2364554-48-1) https://chemicalindependence.com/chemical/2364554-48-1/ PubChem: 139331495. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/139331495 FDA National Drug Code directory: CAS 2364554-48-1. 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 2364554-48-1. Reporting year: 2024. https://usatrade.census.gov/