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Remimazolam besylate bulk supplier for pharma manufacturers

Remimazolam Besylate Suppliers & Bulk Manufacturers

Available Forms: Injection

Available Strengths: 20 mg, 50 mg

Reference Brands: Byfavo (USA/EU)

Category: Anaesthetics

Remimazolam besylate is available in Injection and strengths such as 20 mg, 50 mg. Sourced from GMP-certified and ISO-compliant manufacturers, this API meets global pharmacopeia standards (USP/EP/JP as applicable). Ideal for pharmaceutical formulation and commercial manufacturing, Remimazolam besylate is supplied in bulk quantities with complete regulatory support including DMF, COA, and MSDS.

Technical Specifications & Supply Details
Lead Time 7 to 60 days (depending on batch size & schedule)
MOQ As per manufacturer’s batch size
COA Available with every batch
Regulatory Dossier / DMF Available upon request
Export Documentation FSC, COA, Manufacturing License, Product Permission
Standards IP, BP, USP
Certifications WHO-GMP, EU-GMP, USFDA (as applicable)

Remimazolam besylate can be exported to over 30 countries across Asia, Africa, Europe, and Latin America. Flexible packaging, competitive pricing, and a verified supplier network make Pharmatradz a trusted sourcing partner for pharmaceutical companies and contract manufacturers worldwide.

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📘 Sourcing Guide

Product Description:

Remimazolam besylate is a short-acting benzodiazepine derivative with sedative-hypnotic properties, structurally related to midazolam. It is designed for intravenous use and is primarily indicated for procedural sedation and anesthesia in adults. Remimazolam acts by selectively targeting the gamma-aminobutyric acid (GABA)-A receptor complex on neuronal cell membranes. Upon binding to a specific allosteric site on the GABA-A chloride ionophore receptor, it enhances the affinity of GABA for the receptor.

This interaction increases the frequency of chloride channel opening, leading to an influx of chloride ions into the neuron. The resulting increase in chloride ion conductance causes neuronal hyperpolarization, inhibition of action potential firing, and a reduction in neuronal excitability, producing its sedative and hypnotic effects. Remimazolam besylate is characterized by a rapid onset and short duration of action due to its metabolism by tissue esterases, independent of hepatic cytochrome enzymes.

Its pharmacokinetic profile allows for predictable sedation, rapid recovery, and improved control during short medical procedures. Additionally, its effects can be reversed with flumazenil, providing an added safety advantage in clinical settings.

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Frequently Asked Questions


Remimazolam besylate is used for procedural sedation and anesthesia in adults. It is administered intravenously to induce and maintain sedation during short diagnostic or therapeutic procedures, and in some regions it is also approved for induction and maintenance of general anesthesia.


Remimazolam besylate is a synthetic benzodiazepine derivative formulated as the besylate salt. It is designed to be ultra-short acting and is rapidly metabolized by tissue esterases, independent of liver cytochrome enzymes.


The trade name of remimazolam besylate is Byfavo. In the United States, it is marketed as BYFAVO, while in the European Union and the United Kingdom it is marketed as Byfavo.


Remimazolam besylate was originally developed by PAION AG. In the United States, BYFAVO is commercialized by Eagle Pharmaceuticals, while in Europe and the UK it is marketed through PAION and its regional partners.


The generic name is remimazolam besylate.


The brand name of remimazolam besylate is Byfavo (BYFAVO in the USA).


Remimazolam besylate is manufactured at GMP-approved pharmaceutical manufacturing facilities, with production and supply distributed across the United States and Europe depending on the brand owner and regional regulatory approvals.

Yes, Remimazolam besylate is available with DMF and other regulatory documents such as COA and MSDS. These can be provided upon request for qualified buyers.

Absolutely. Sample requests are accepted for formulation trials and quality checks. Please submit an enquiry to initiate the process.

Our manufacturing partners are GMP-certified and comply with ISO and WHO standards, ensuring global quality benchmarks.

Lead times vary based on quantity and destination, but most orders are fulfilled within 1–3 weeks. Express shipping options are available.

Yes, Remimazolam besylate is exported to over 30 countries across Asia, Africa, Europe, and Latin America. We support documentation for customs and regulatory clearance.

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