3-Fluorophenylboronic Acid (CAS 768-35-4) Supplier and Specification Guide

Author: Ingrid

Aug. 18, 2026

Chemicals

3-Fluorophenylboronic Acid (CAS 768-35-4) Supplier and Specification Guide

When I source 3-Fluorophenylboronic acid, CAS 768-35-4, I treat it as a specialty organic boronic acid that requires clear identity confirmation, controlled quality documentation, and fit-for-purpose packaging. The material is commonly identified by the molecular formula C6H6BFO2 and a molecular weight of approximately 139.92 g/mol. As a Maison Chemical supplier guide, this page explains what buyers should review before requesting a quotation, including specifications, application fit, packaging, logistics, and supplier support.

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Who This Guide Is For

This guide is intended for procurement teams, medicinal chemistry groups, process development laboratories, pharmaceutical manufacturers, agrochemical researchers, and chemical distributors. It is especially useful when a buyer needs to compare quotations for research quantities, pilot-scale requirements, or repeat commercial supply. I recommend using the same specification checklist with every supplier so that price comparisons are based on equivalent quality and service conditions.

3-Fluorophenylboronic acid may be purchased as a research intermediate or as a building block for further synthesis. The required documentation can differ significantly between these use cases, so the first step is to define the intended application, target quantity, destination country, and expected delivery schedule. A supplier should be able to respond according to the buyer’s actual technical and regulatory requirements rather than providing only a product name and price.

Basic Product Identification and Chemical Context

3-Fluorophenylboronic acid is an aryl boronic acid containing a fluorinated phenyl group and a boronic acid functional group. Its CAS Registry Number is 768-35-4, which should be checked against the supplier’s product documentation, label, specification sheet, and shipping records. The “3-fluoro” designation describes the position of the fluorine substituent on the aromatic ring, making positional identity an important part of material verification.

Aryl boronic acids are valued as versatile synthetic building blocks, particularly in carbon–carbon bond-forming chemistry such as palladium-catalyzed coupling processes. However, the exact performance of a batch depends on purity, water content, storage history, reaction conditions, and the quality requirements of the downstream process. I therefore recommend treating the chemical name as the starting point of qualification, not as a substitute for a complete specification.

Core Identification Data

Item Information for Buyer Review
Product name 3-Fluorophenylboronic acid
CAS Number 768-35-4
Formula C6H6BFO2
Approximate molecular weight 139.92 g/mol
Chemical class Fluorinated aryl boronic acid

Specification Review: What Buyers Should Request

A reliable purchasing decision should be based on a product specification, a representative certificate of analysis, and the supplier’s ability to provide batch-specific documentation. Common review items include assay or purity, identification, water content, residual solvents, related substances, and appearance. The exact acceptance limits should be agreed before order placement because a research-grade material and a process-grade intermediate may require different controls.

For identity confirmation, buyers may request the analytical methods used by the supplier, such as nuclear magnetic resonance, high-performance liquid chromatography, gas chromatography where appropriate, or mass spectrometry. Not every method is equally suitable for every impurity or property, so I suggest asking which test supports each specification line. A clear document should distinguish between a standard product specification and results actually obtained for the shipped batch.

Recommended Documentation Checklist

  • Product specification with CAS number, formula, and molecular weight.
  • Batch-specific certificate of analysis with test results and release date.
  • Safety Data Sheet supplied in a format suitable for the destination market.
  • Packaging description, net weight, lot number, and retest or review information where applicable.
  • Storage and handling recommendations based on the supplier’s product knowledge.
  • Confirmation of whether samples, technical data, and change notifications are available.

Matching the Material to the Application

For medicinal chemistry and discovery research, buyers may prioritize dependable identity, small pack availability, rapid sample coordination, and documentation that supports laboratory records. For process research, the focus usually shifts toward lot consistency, impurity control, scalable packaging, and repeat supply. For distribution, labeling, shelf-life management, export documentation, and dependable logistics become equally important.

Because boronic acids can be sensitive to environmental and handling conditions, the buyer should evaluate the intended storage period and shipping route before selecting a pack size. A small quantity may reduce inventory exposure for exploratory work, while a larger quantity may improve purchasing efficiency for an established process. I recommend confirming the supplier’s recommended storage conditions and avoiding assumptions based solely on a generic industry practice.

Questions for Application Matching

  1. Is the product intended for screening, route development, pilot work, manufacturing, or distribution?
  2. What minimum purity and impurity profile does the downstream reaction require?
  3. Does the project require a specific analytical method or customer-approved specification?
  4. What quantity is needed initially, and what quantity may be required for repeat orders?
  5. Are special labeling, import, transport, or documentation requirements applicable?

Supplier Evaluation Framework

I evaluate suppliers of 3-Fluorophenylboronic acid across four areas: product control, supply capability, commercial clarity, and communication quality. Product control includes traceable batch information, suitable analytical documentation, packaging integrity, and a defined process for handling deviations. Supply capability includes realistic lead-time communication, stock visibility, production planning, and the ability to support repeat orders without changing the agreed specification unexpectedly.

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Commercial clarity is also important because a low unit price may not represent the lowest total procurement cost. Buyers should compare pack size, assay basis, shipping terms, documentation fees, sample policy, payment terms, and any minimum order quantity. At Maison Chemical, we aim to clarify these details at the inquiry stage so that customers can make a practical comparison rather than relying on an incomplete headline quotation.

Quality and Compliance Questions

  • Can the supplier provide a current specification and a representative COA?
  • Will the final shipment include a batch-specific COA?
  • Can the supplier discuss impurity controls relevant to the customer’s process?
  • Are packaging, labels, and documents suitable for the destination market?
  • Can the supplier support a quality questionnaire or technical review when required?
  • Is there a documented approach to product changes, deviations, or out-of-specification concerns?

Pricing, MOQ, Lead Time, and Logistics Considerations

Pricing for specialty organic intermediates is normally influenced by quantity, purity requirements, availability, packaging, analytical testing, and destination. I do not recommend publishing a single universal price for 3-Fluorophenylboronic acid because the commercial offer may change substantially between a laboratory pack and a larger project requirement. A useful quotation should identify the quantity basis, currency, Incoterm if applicable, validity period, payment conditions, and estimated dispatch schedule.

Minimum order quantity should be discussed together with the buyer’s forecast rather than evaluated in isolation. If the initial requirement is small, a sample or trial pack may be appropriate for technical confirmation; if the project is moving toward scale-up, the buyer should ask about production capacity and continuity planning. Lead time should be confirmed in writing and separated into preparation time, testing time, documentation time, and transportation time where those stages are relevant.

Packaging selection should reflect the quantity, storage environment, handling frequency, and shipping route. Buyers should verify container material, closure integrity, labeling, lot traceability, and whether inner and outer packaging are suitable for the destination. For international orders, I also recommend confirming customs documentation and any destination-specific requirements before the shipment is released.

Common Sourcing Mistakes to Avoid

One common mistake is comparing products only by CAS number and nominal purity. Two offers may use the same CAS number while applying different test methods, impurity limits, packaging standards, or documentation practices. Another mistake is requesting a delivery date without explaining whether the material is in stock, requires production, or needs additional customer testing.

Buyers should also avoid accepting an undated or non-batch-specific analytical document as the only quality evidence for a critical project. It is sensible to confirm the actual lot, net quantity, packaging condition, and documentation before shipment. When the material is intended for a regulated or tightly controlled process, qualification should be completed before routine purchasing begins.

How Maison Chemical Can Support Your Inquiry

Maison Chemical supplies organic boronic acids and supports B2B buyers with product identification, specification review, quotation preparation, packaging coordination, and export documentation discussions. For 3-Fluorophenylboronic acid, I can help organize the key details needed to evaluate whether the requested grade is suitable for research, process development, or distribution. Availability, quantity, lead time, and documentation should be confirmed for each individual order.

To receive a useful quotation, please provide the product name and CAS number, required quantity, target purity or specification, destination country, preferred packaging, application stage, and requested delivery window. If you have a customer specification, analytical method, or quality questionnaire, include it with the inquiry so the technical review can be more precise. This information allows us to respond with a more transparent supply proposal instead of a generic product listing.

Key Takeaways

  • 3-Fluorophenylboronic acid is identified by CAS 768-35-4, formula C6H6BFO2, and an approximate molecular weight of 139.92 g/mol.
  • Buyers should review identity, purity, related substances, water or residual solvent controls, packaging, and batch-specific documentation.
  • Application, quantity, destination, and delivery schedule should be defined before comparing supplier quotations.
  • MOQ, lead time, logistics, and document requirements can affect total procurement value as much as unit price.
  • Maison Chemical can support specification discussions and B2B quotation preparation for this organic boronic acid.

Conclusion: A Practical Next Step for Buyers

The best way to source 3-Fluorophenylboronic acid, CAS 768-35-4, is to qualify the material and the supplier together. Start by confirming the chemical identity, define the specification required by your application, and request a batch-relevant COA, suitable packaging information, and a transparent commercial offer. Then compare suppliers on documentation quality, continuity, logistics, and technical responsiveness rather than price alone.

If you are planning a new purchase or repeat supply, send Maison Chemical your required quantity, specification, destination, and target delivery date. We can review the inquiry and discuss available packaging, documentation, lead time, and supply options. This structured approach helps reduce avoidable sourcing risk while giving your technical and procurement teams the information needed for a confident decision.

If you are looking for more details, kindly visit 3-Fluorophenylboronic acid CAS 768-35-4.

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