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Dihydrocodeine bitartrate

Drug ingredient

CAS 5965-13-9

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

Molecular structure of 5965-13-9
US productionNot reported
Import value, 2024$103M
Top sourceAustralia 31%

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 293911 · basket

These shares come from HS customs code 293911, which covers 13 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
AU 31%AustraliaGB 27%United KingdomCZ 19%Czech RepublicDE 14%GermanyES 5%Spain
2 FDA-registered drug labelers
Chattem Chemicals, Inc.
Proficient Rx LP

Why It Matters

Sectors
Health
Downstream Uses

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

  • •Trezix
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS5965-13-9
PubChem CID5492624
DTXSIDDTXSID00975047
FormulaC22H29NO9
Mol. Weight451.5 g/mol
SMILESCN1CCC23C4C1CC5=C2C(=C(C=C5)OC)OC3C(CC4)O.C(C(C(=O)O)O)(C(=O)O)O

Data Sources

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Brief citations

Dihydrocodeine bitartrate (CAS 5965-13-9) https://chemicalindependence.com/chemical/5965-13-9/ PubChem: 5492624. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/5492624 FDA National Drug Code directory: CAS 5965-13-9. 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 293911 for CAS 5965-13-9. Reporting year: 2024. https://usatrade.census.gov/