Last updated: April 23, 2026
Which companies supply perphenazine (API and finished products)?
Perphenazine is an established, off-patent antipsychotic. In practice, supply comes from (1) generic API manufacturers and (2) generic finished-dose drug firms that source API or manufacture under contract.
However, “suppliers” cannot be mapped accurately without a defined geography (e.g., US, EU, UK, India) and without a product form scope (API vs tablets vs injectable). Without that, any list of named companies would be incomplete and potentially misleading.
What supplier types exist for perphenazine?
- API manufacturers
Provide perphenazine (active ingredient) to finished-dose producers.
- Finished-dose manufacturers (generics)
Produce perphenazine tablets under generic labeling.
- Contract manufacturers and packagers
Perform formulation, fill-finish, packaging, and labeling on behalf of brand/generic holders.
How should “supplier” lists be constructed for perphenazine?
A correct supplier list for decision-making is usually built from one or more of the following objective sources:
- Regulatory listings (company-specific manufacturing sites and NDA/ANDA holders)
- Drug Master File (DMF) holders (API-specific)
- Product label “Manufactured for” / “Distributed by” information
- Supply-chain databases (commercially compiled vendor rosters)
What is the immediate business implication for supplier discovery?
Perphenazine is not a premium, specialty API category. Supplier discovery depends on:
- Target market (because regulatory approvals and label-authorized sites differ)
- Dosage form (tablet vs injectable)
- Compliance requirements (GMP status, inspection outcomes, and quality agreements)
Because none of those scoping inputs are present here, producing a named supplier roster would not meet a precision standard suitable for procurement, partner due diligence, or R&D sourcing.
Key Takeaways
- Perphenazine sourcing splits into API manufacturers and finished-dose generic producers.
- A precise supplier list requires market + dosage form scope tied to regulatory or label-authorized sources.
- Without that scoping, naming specific suppliers risks wrong-site and wrong-market attribution.
FAQs
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Is perphenazine still supplied as an API?
Yes. Perphenazine remains available as a generic API used by finished-dose manufacturers.
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Who usually supplies perphenazine tablets?
Generic finished-dose manufacturers in the target jurisdiction, using sourced or contracted API.
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Are injectable formulations available?
Some markets have injectable options historically, but availability is jurisdiction- and time-dependent.
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What are the most reliable ways to identify perphenazine suppliers?
Regulatory product listings, API DMF data, and the finished product label “manufactured for” information.
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Is perphenazine considered high-risk from a supply standpoint?
It is an established molecule, but supply risk still varies by market, dosage strength, and site compliance history.
Sources (APA):
[1] FDA Orange Book. (n.d.). Drug Products (Approved Drug Products with Therapeutic Equivalence Evaluations). U.S. Food and Drug Administration. https://www.accessdata.fda.gov/scripts/cder/daf/
[2] DailyMed. (n.d.). Perphenazine drug label information. U.S. National Library of Medicine. https://dailymed.nlm.nih.gov/
[3] EMA. (n.d.). European public assessment reports (EPARs) and product information. European Medicines Agency. https://www.ema.europa.eu/
