Levalbuterol tartrate

Drug ingredient

CAS 661464-94-4

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

Molecular structure of 661464-94-4
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 unknown

Where It Comes From

EPA and Census publish no US supply data for this chemical.

7 FDA-registered drug labelers
Actavis Pharma, Inc.
Catalent Micron Technologies, Inc.
Lupin Pharmaceuticals, Inc.
Praxis, LLC
Proficient Rx LP
Sterling Pharma Solutions Limited
Zhejiang Apeloa Jiayuan Pharmaceutical Co., Ltd.

Why It Matters

Sectors
Health
Downstream Uses

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

  • •Levalbuterol tartrate HFA inhalation
  • •Xopenex HFA
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS661464-94-4
PubChem CID10349032
DTXSIDDTXSID10984620
FormulaC30H48N2O12
Mol. Weight628.7 g/mol
SMILESCC(C)(C)NCC(C1=CC(=C(C=C1)O)CO)O.CC(C)(C)NCC(C1=CC(=C(C=C1)O)CO)O.C(C(C(=O)O)O)(C(=O)O)O

Data Sources

Brief citations

Levalbuterol tartrate (CAS 661464-94-4) https://chemicalindependence.com/chemical/661464-94-4/ PubChem: 10349032. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/10349032 FDA National Drug Code directory: CAS 661464-94-4. 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/