Phendimetrazine tartrate

Drug ingredient

CAS 50-58-8

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

US productionNot reported

Import value, 2024$560K

Top sourceItaly 89%

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 293491 · basket

These shares come from HS customs code 293491, which covers 3 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).

IT 89%ItalyHU 7%HungaryBR 2%BrazilLT 1%LithuaniaDE 1%Germany

Slovakia
Malaysia

12 FDA-registered drug labelers

A-S Medication Solutions

Acertis Pharmaceuticals, LLC

Bryant Ranch Prepack

Calvin Scott & Co., Inc.

Elite Laboratories, Inc

KVK-TECH, INC

NuCare Pharmaceuticals, Inc,

Olon SpA

PD-Rx Pharmaceuticals, Inc.

Preferred Pharmaceuticals Inc.

Professional Compounding Centers of America dba PCCA

Virtus Pharmaceuticals, LLC

Why It Matters

Sectors

Health

Downstream Uses

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

•Phendimetrazine Tartrate

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

CAS50-58-8

PubChem CID120608

DTXSIDDTXSID70198165

FormulaC16H23NO7

Mol. Weight341.36 g/mol

SMILESCC1C(OCCN1C)C2=CC=CC=C2.C(C(C(=O)O)O)(C(=O)O)O

Data Sources

PubChem · compound 120608Retrieved 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

Phendimetrazine tartrate (CAS 50-58-8) https://chemicalindependence.com/chemical/50-58-8/ PubChem: 120608. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/120608 FDA National Drug Code directory: CAS 50-58-8. 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 293491 for CAS 50-58-8. Reporting year: 2024. https://usatrade.census.gov/