vilanterol trifenatate

Drug ingredient

CAS 503070-58-4

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

US productionNot reported

Import value, 2024$652M

Top sourceSingapore 77%

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 292250 · basket

These shares come from HS customs code 292250, which covers 76 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 77%SingaporeCN 12%ChinaIT 4%ItalyIN 2%IndiaGB 1%United Kingdom

Japan
Germany
Denmark
Taiwan
Spain
Bulgaria
Canada
Serbia
Switzerland
Sweden
South Korea
Netherlands
Hong Kong
Ukraine
Austria
Hungary
Belgium
Ireland
Israel
Finland
Mexico
Slovenia
Czech Republic
United Arab Emirates
Latvia

9 FDA-registered drug labelers

Glaxo Operations UK Ltd

Glaxo Wellcome Manufacturing Pte. Ltd

GlaxoSmithKline LLC

MSN Laboratories Private Limited

Prasco Laboratories

Sterling Chemical Malta Ltd

STERLING SPA

TAPI Czech Industries s.r.o.

Teva Czech Industries s.r.o

Why It Matters

Sectors

Health

Downstream Uses

Appears in 5 drug and cosmetic product listings (FDA).

•Breo Ellipta
•Fluticasone Furoate and Vilanterol
•Anoro Ellipta
•Trelegy Ellipta
•Umeclidinium and Vilanterol Ellipta

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

CAS503070-58-4

PubChem CID44482554

DTXSIDDTXSID80659232

FormulaC44H49Cl2NO7

Mol. Weight774.8 g/mol

SMILESC1=CC=C(C=C1)C(C2=CC=CC=C2)(C3=CC=CC=C3)C(=O)O.C1=CC(=C(C(=C1)Cl)COCCOCCCCCCNCC(C2=CC(=C(C=C2)O)CO)O)Cl

Data Sources

PubChem · compound 44482554Retrieved 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

vilanterol trifenatate (CAS 503070-58-4) https://chemicalindependence.com/chemical/503070-58-4/ PubChem: 44482554. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/44482554 FDA National Drug Code directory: CAS 503070-58-4. 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 292250 for CAS 503070-58-4. Reporting year: 2024. https://usatrade.census.gov/