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.
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:
What to include when you enquire
- Destination market — determines which manufacturers hold the right site-level approvals
- First order quantity and estimated annual volume
- Whether you need a registration dossier or the product is already registered
- Packaging, labelling and language requirements
- Incoterms and required shelf life
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. Narcotic drugs and controlled substances are supplied strictly against valid import and export permits issued by the competent authorities.
Request a quote for Doxepin →The Trade Mark owner has been correctly identified under the heading Manufacturer / TM Owner as required by the Act.
Frequently Asked Questions
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