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GREENVEIL

  • industrial
  • pharma

Phentermine hydrochloride

CAS 1197-21-3

Phentermine hydrochloride chemical structure

Concern score

Not assessed — no hazard data yet.

Phentermine hydrochloride in plain language

What it is

Also known as 2-Methyl-1-phenylpropan-2-amine--hydrogen chloride (1/1) · 2-methyl-1-phenylpropan-2-amine;hydrochloride · Benzeneethanamine, .alpha.,.alpha.-dimethyl-, hydroch · Phentermine hcl · Phentermine hydrochloride civ · 1-Phenyl-2-methyl-2-aminopropane hydrochloride

Show all 23 names

Adipex-P · Benzeneethanamine, alpha,alpha-dimethyl, hydrochloride · Fastin · Lomaira · OBESTIN-30 · Ona-mast · Oby-Trim · Ona-Mast hydrochloride · Phenyl-t-butylamine hydrochloride · Suprenza · Tora · Wilpo · Zantryl · alpha-Dimethylphenethylamine hydrochloride alpha · alpha-Methylamphetamine hydrochloride · α,α-Dimethylphenethylamine hydrochloride · Qsymia component phentermine hydrochloride

What it does

We don't have a plain-language description for Phentermine hydrochloride yet.

Is it a concern?
We haven't assessed a concern score for this ingredient yet.

Regulation

No restrictions found. Phentermine hydrochloride appears in these published regulatory listings.

  • In marketed US drugs

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 1 composition records across product categories including unclassified products.
    • EPA CPDat observed this chemical in 1 composition records across product categories including unclassified products.Source →
  • USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 123 active drug products and 143 total products.
    • FDA NDC lists this ingredient in 123 active drug products and 143 total products.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Evidence & sources

No graded research studies for Phentermine hydrochloride yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

6 data sources

Where this comes from

  • EPA Chemical and Products Database

    exposure · updated 2019-02-27

    Open →

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

  • FDA National Drug Code Directory

    regulatory · updated 2028-04-30

    Open →

  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →

  • openFDA Substance

    registry · updated 2026-05-24

    Open →

  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    Open →
Reference links (1)

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Where it has been recorded

How often FDA National Drug Code directory has listed Phentermine hydrochloride in a product composition. These are source records, not Greenveil catalog products.

Source records

143

See products using Phentermine hydrochloride →