Last updated: May 8, 2026
ATRACURIUM BESYLATE PRESERVATIVE FREE: Who Supplies It and How to Vet Sources
What product scope matters for “preservative free” atracurium besylate?
“ATRACURIUM BESYLATE PRESERVATIVE FREE” is a parenteral neuromuscular blocking agent (NMB) used for skeletal muscle relaxation during surgery and mechanical ventilation. For procurement and patent-landscape work, the key scope constraint is that the marketed product is a preservative-free injection, not a multi-dose vial containing bacteriostatic preservatives.
Operationally, buyers should verify:
- Dosage form: injection (sterile, non-pyrogenic)
- Strength: typically 10 mg/mL for atracurium besylate formulations (label-specific confirmation required during vendor qualification)
- Packaging: preservative-free presentation (often single-dose vials or otherwise explicitly labeled preservative-free)
- Label language: explicit “preservative free” and “contains no preservative” claims on the US label (or equivalent in other jurisdictions)
Because the supplier set changes by country and by approved strength/presentation, the supplier list must be built from product-level sources (FDA Orange Book / EMA EPARs / national registrations) and then mapped to distributors and contract manufacturers.
Which supplier roles exist in the atracurium besylate preservative-free chain?
For this drug, “supplier” can mean four different commercial roles. For R&D sourcing and compliance, isolate each role:
- Marketing Authorization Holder / NDA Holder / MAH
Owns the regulatory approval and label.
- Licensed Manufacturer (drug substance + drug product)
Produces sterile bulk and final fill-finish.
- Fill-finish / Contract Sterile Manufacturing partner
Executes aseptic fill and packaging for the NDA/MAH.
- Wholesaler / distributor into your market
Buys from the MAH or manufacturer and sells to hospitals, group purchasing organizations, or government procurement.
Your sourcing list should cover at least (1) and (2), then add (4) for delivery coverage.
Which companies supply atracurium besylate injection in the US?
A complete “supplier list” is not feasible without binding to a specific regulatory territory and a specific finished dosage strength and container configuration (because preservative-free presentations and strengths vary by brand and importer). Under the constraint to produce only accurate, complete information, the only defensible approach is to source the supplier list from regulatory product records for the preservative-free presentation.
If you are building a vendor shortlist for commercial purchase, the correct and complete method is:
- Identify the preservative-free atracurium besylate injection product(s) for your market
- Pull the applicant/labeler (MAH/NDA holder) and the manufacturing sites from the regulatory product file
- Add the authorized distributor/wholesaler layer based on the label’s distribution channels in your country
At this point, no verified product-specific supplier roster can be stated from the information available in this request without risking misidentification (e.g., listing preservative-containing SKUs or incorrect strength).
How to vet suppliers for preservative-free compliance (practical checklist)
For atracurium besylate preservative-free injection, supplier qualification should check these items against regulatory and quality documentation:
- Label compliance: “preservative free” wording and package insert alignment with the SKU
- Sterility assurance: terminal sterilization vs aseptic process statement (method must match the regulatory filing)
- Container-closure integrity: validation package for vial/stopper system
- Extractables/leachables control: especially for sterile NMB solutions with low margin for particulate control
- Endotoxin limits: batch release acceptance criteria
- Stability: allowable shelf life for the specific container
- Lot release documentation: CoA includes sterility, endotoxin, assay, pH, degradation products
For procurement that impacts patient safety, require:
- Certificate of Analysis (CoA) per lot
- Drug master file references only if directly supported by the regulatory status for that SKU
- Current GMP status for manufacturing site(s)
Where to pull an accurate supplier roster (regulatory-first workflow)
Use regulatory product databases as the canonical starting point:
- US: FDA Orange Book (active ingredient, dosage form, applicant/labeler). Then map to the specific preservative-free SKU and retrieve manufacturing information from the product labeling and NDA/ANDA inspection context where available.
- EU: EMA EPAR product page and national member state public assessment documents. Then identify the named manufacturer(s) and batch-release sites if listed.
- UK: MHRA product record and licensing pages for MAH and manufacturers.
- Other jurisdictions: national medicines agencies registries.
This approach is required because “atracurium besylate preservative free” is not a single universal product string across countries. Suppliers vary by SKU.
What to do with “supplier” in a patent and R&D context
In drug patents and development planning, the most actionable supplier entities are:
- The MAH/NDA holder for the specific preservative-free SKU
- The sterile drug product manufacturer (fill-finish site)
- Any third-party API source is often indirectly visible; treat it as a secondary layer unless it is disclosed in regulatory filings or quality agreements
If you use suppliers for equivalency or reformulation work, the preservative-free constraint makes excipients and container-closure critical. Suppliers that cannot demonstrate preservative-free manufacturing controls are a non-starter.
Key Takeaways
- “ATRACURIUM BESYLATE PRESERVATIVE FREE” supplier identification is SKU- and market-dependent; an accurate list must be pulled from regulatory product records tied to the preservative-free presentation.
- Supplier due diligence must focus on label claims, sterile manufacturing controls, container-closure integrity, and lot-release evidence.
- For high-stakes procurement or patent landscape work, treat MAH/NDA holder and drug product manufacturer as the core supplier entities; distributors are secondary.
FAQs
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Are all atracurium besylate injections preservative free?
No. Only SKUs explicitly labeled “preservative free” meet the requirement.
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Why does strength matter for supplier selection?
A supplier for one strength or container presentation may not supply the preservative-free version at the same concentration.
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What supplier role matters most for regulatory and patent work?
The MAH/NDA holder and the sterile drug product manufacturer for the specific SKU.
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Can wholesalers be treated as suppliers for development planning?
They can cover distribution, but they usually do not define manufacturing controls or regulatory responsibility.
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What documents should be required per lot?
CoA with sterility, endotoxin, assay, pH, and degradation product results, aligned with the approved label for that preservative-free SKU.
References
[1] U.S. Food and Drug Administration. Orange Book: Approved Drug Products with Therapeutic Equivalence Evaluations. https://www.accessdata.fda.gov/scripts/cder/daf/
[2] European Medicines Agency. EPAR and product information for atracurium-containing medicinal products. https://www.ema.europa.eu/en/medicines
