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Lemborexant

Drug ingredient

CAS 1369764-02-2

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

Molecular structure of 1369764-02-2
US productionNot reported
Import value, 2024$7.6B
Top sourceIreland 61%

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 293359 · basket

These shares come from HS customs code 293359, which covers 295 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IE 61%IrelandCH 30%SwitzerlandGB 2%United KingdomCN 2%ChinaIN 1%India
2 FDA-registered drug labelers
Eisai Inc.
Eisai Manufacturing Ltd

Why It Matters

Sectors
Health
Downstream Uses

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

  • •Dayvigo
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS1369764-02-2
PubChem CID56944144
DTXSIDDTXSID401027940
FormulaC22H20F2N4O2
Mol. Weight410.4 g/mol
SMILESCC1=NC(=NC=C1OCC2(CC2C(=O)NC3=NC=C(C=C3)F)C4=CC(=CC=C4)F)C

Data Sources

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Brief citations

Lemborexant (CAS 1369764-02-2) https://chemicalindependence.com/chemical/1369764-02-2/ PubChem: 56944144. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/56944144 FDA National Drug Code directory: CAS 1369764-02-2. 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 293359 for CAS 1369764-02-2. Reporting year: 2024. https://usatrade.census.gov/