Doxepin bulk supplier for pharma manufacturers

Doxepin Suppliers & Bulk Manufacturers

Available Forms: White to off-white crystalline powder

Available Strengths: API Purity: 99% (on anhydrous basis)

Reference Brands: Sinequan, Silenor (US)

Category: Active Pharmaceutical Ingredient

Doxepin is a psychotropic agent used for the treatment of depression, anxiety, manic-depressive disorder, and insomnia. Doxepin is a psychotropic agent with antidepressant and anxiolytic properties.

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Product Description:

Doxepin is a tricyclic antidepressant (TCA) primarily indicated for the treatment of depression, generalized anxiety disorder, chronic insomnia, and certain dermatological conditions such as pruritus. It functions by inhibiting the reuptake of norepinephrine and serotonin, thereby increasing their levels in the central nervous system to improve mood and promote relaxation. The API is supplied as a high-purity, white to off-white crystalline hygroscopic powder, making it suitable for various pharmaceutical dosage forms, including oral capsules, tablets, topical creams, and solutions. Doxepin is valued for its proven clinical efficacy, versatility in formulations, and compatibility with different excipients.

Doxepin — third party manufacturing & bulk supply

Doxepin is available through PharmaTradz for wholesale and bulk supply as well as on a third party (contract) manufacturing basis. Buyers sourcing this product generally take one of three routes:

Wholesale / bulk supply Stock or scheduled supply from an existing manufacturer. The fastest route where the product is already registered in your market.

Third party manufacturing Manufactured to your specification and packed under your own brand and label — suits distributors and brand owners building a portfolio in their market.

Dossier licensing Where a CTD, EU-CTD or ACTD dossier exists it can often be licensed for filing in your name, compressing market entry from years to months.

Indicative minimum order quantity

Doxepin is supplied as White to off-white crystalline powder — a dosage form priced by order value, so the indicative MOQ is a minimum order value of USD 5,000 per product. Actual MOQ is confirmed by the allocated manufacturer against your pack presentation and destination market. See full supply terms for dossier formats, market availability and shelf life.

Manufacturers of Doxepin listed on PharmaTradz hold site-level approvals across WHO-GMP, EU-GMP, USFDA, ANVISA and TGA, verified at onboarding.

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Frequently Asked Questions

Doxepin is listed as White to off-white crystalline powder in API Purity: 99% (on anhydrous basis). Further strengths and pack presentations are confirmed with the manufacturer at RFQ stage.

Doxepin is referenced against Sinequan, Silenor (US). Reference brands are shown for identification only and remain the property of their respective trademark owners.