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Aclidinium bromide

Drug ingredient

CAS 320345-99-1

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

Molecular structure of 320345-99-1
1 Br⁻
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
3 FDA-registered drug labelers
Covis Pharma US, Inc
INKE S.A.
MSN Laboratories Private Limited

Why It Matters

Sectors
Health
Downstream Uses

Appears in 2 drug and cosmetic product listings (FDA).

  • •Duaklir Pressair
  • •Tudorza Pressair
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS320345-99-1
PubChem CID11519741
DTXSIDDTXSID30185854
FormulaC26H30BrNO4S2
Mol. Weight564.6 g/mol
SMILESC1C[N+]2(CCC1C(C2)OC(=O)C(C3=CC=CS3)(C4=CC=CS4)O)CCCOC5=CC=CC=C5.[Br-]

Data Sources

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Brief citations

Aclidinium bromide (CAS 320345-99-1) https://chemicalindependence.com/chemical/320345-99-1/ PubChem: 11519741. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/11519741 FDA National Drug Code directory: CAS 320345-99-1. 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 320345-99-1. Reporting year: 2024. https://usatrade.census.gov/