3,4-Dichlorophenylboronic Acid CAS 151169-75-4: Product Specifications, Applications, and Sourcing Guide

3,4-Dichlorophenylboronic acid (CAS 151169-75-4) is an organoboron building block used primarily to introduce a 3,4-dichlorophenyl group into molecules through carbon–carbon bond-forming chemistry, including Suzuki–Miyaura coupling. Its identity is associated with the molecular formula C₆H₅BCl₂O₂ and a molecular weight of approximately 190.82 g/mol. For procurement, buyers should confirm the required grade, assay, impurity profile, packaging, and documentation against the project’s intended use rather than relying on the product name alone. Maison Chemical can discuss product requirements and provide a quotation based on the requested quantity and destination.

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Key Takeaways

• This compound is a dichlorinated arylboronic acid used as a synthetic intermediate, especially in cross-coupling workflows.
• Its CAS number is 151169-75-4, and its molecular formula is C₆H₅BCl₂O₂.
• Specifications such as assay, water content, appearance, and impurity limits should be confirmed in the current product specification and Certificate of Analysis.
• Price, minimum order quantity, and lead time depend on the required grade, order volume, packaging, and availability.

Who This Guide Is For

This guide is intended for procurement teams, research chemists, process-development groups, and manufacturers evaluating 3,4-Dichlorophenylboronic acid for a defined synthesis or supply program. It is also useful when comparing supplier quotations or preparing an inquiry that needs a clear specification. The information below describes general purchasing and application considerations, not a substitute for a validated process or the product’s current safety and quality documents. Buyers should confirm suitability with their technical team before use.

Product Overview and Chemical Context

Identity and Structure

3,4-Dichlorophenylboronic acid is an arylboronic acid: a phenyl ring bearing chlorine substituents at positions 3 and 4 and a boronic acid group attached to the ring. The boronic acid functionality makes the compound useful as an aryl transfer partner in selected coupling reactions. The two chlorine substituents remain part of the aryl group during many such transformations, although their behavior depends on the reaction design and conditions. Confirm identity by CAS number and supporting analytical documentation when specifying the material.

Specifications Buyers Should Confirm

A commercial specification may include assay, appearance, identification, water content, and limits for specified or unspecified impurities. Not every supplier or grade will use the same test methods or acceptance criteria, so request the current specification before comparing offers. A Certificate of Analysis (CoA) should correspond to the supplied lot and state the results or conformity status for the tests performed. If a project requires a particular analytical method or a tighter impurity limit, communicate that requirement before placing an order.

Applications and Application Matching

The principal synthetic role of 3,4-Dichlorophenylboronic acid is as a coupling partner for preparing compounds that contain a 3,4-dichlorophenyl unit. Researchers and process chemists may evaluate it during the preparation of intermediates and target molecules in medicinal chemistry, agrochemical research, and broader organic synthesis. These are application areas for the chemical building block, not claims that the material is an approved active ingredient or suitable for a particular product. End-use suitability depends on the complete synthesis, analytical controls, and applicable regulatory requirements.

Match the Material to the Reaction

Before ordering, establish whether the compound is intended for screening, route development, scale-up, or routine production. The required assay and impurity profile can differ between early-stage experiments and a process with defined downstream controls. Ask the chemist or process owner which impurities could affect reaction performance, purification, or final-product quality. If the route is still under development, a representative sample or smaller evaluation quantity may help the team assess the material before committing to a larger purchase.

Selection Framework for Buyers

1. Define Grade and Quality Requirements

Specify the minimum assay, test method where relevant, and any critical impurity or moisture limits. If the product will be used in regulated or tightly controlled manufacturing, clarify documentation expectations at the outset. Do not assume that a quoted assay value guarantees a particular performance in your reaction; process results depend on reagents, solvents, catalyst system, and operating conditions. Review the supplied lot documentation against your internal acceptance criteria.

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2. Confirm Quantity, Packaging, and Handling Documents

Request packaging options appropriate to the order size and your receiving procedures. Ask for the current Safety Data Sheet (SDS) and follow its guidance for handling, storage, and transport; do not infer storage conditions from another boronic acid. For cross-border shipments, confirm the product description and documents required by your importer or logistics provider. The supplier should clarify available packaging and any applicable shipping constraints before dispatch.

3. Evaluate Commercial Fit

Price should be assessed alongside quality requirements, documentation, availability, packaging, and delivery terms. Minimum order quantity and lead time can vary with stock status, production scheduling, requested grade, and destination. A low unit price may not represent the best fit if the quantity exceeds the project’s needs or if additional qualification is required. Ask suppliers to quote the same specification and delivery basis so the offers can be compared consistently.

Pricing, MOQ, and Lead Time

There is no single price or lead time that applies to every purchase of CAS 151169-75-4. Suppliers may need the requested quantity, target specification, shipping destination, and required delivery date to prepare an accurate quotation. Stock availability can change, and a non-standard specification may require additional review or sourcing steps. For planning purposes, request written confirmation of the offered grade, MOQ, estimated dispatch schedule, packaging, and quote validity.

Supplier Evaluation Checklist

• Identity: Does the quotation clearly identify 3,4-Dichlorophenylboronic acid and CAS 151169-75-4?
• Specification: Are the assay, test methods, and relevant impurity limits stated or available for review?
• Lot documentation: Can the supplier provide a lot-specific CoA and current SDS with the shipment or as agreed?
• Commercial terms: Are MOQ, packaging, price basis, lead time, and delivery terms clear?
• Communication: Can the supplier respond to technical and logistics questions before order confirmation?

Use this checklist to identify information gaps before issuing a purchase order. Where a specification is critical, obtain written confirmation that the quoted product can meet it and define how acceptance will be assessed. Keep the quotation, specification, and lot documents together for procurement traceability. This approach reduces avoidable ambiguity without assuming that any supplier can meet requirements that have not been discussed.

Common Sourcing Mistakes to Avoid

A frequent mistake is ordering by product name alone without checking the CAS number and specification. Another is treating assay as the only quality criterion, even when moisture, impurity profile, or documentation may matter to the intended process. Buyers can also overlook destination-specific shipping requirements or fail to align requested delivery timing with supplier lead time. Resolve these points during the inquiry stage rather than after an order is released.

Conclusion: How to Source the Right Material

3,4-Dichlorophenylboronic acid CAS 151169-75-4 is an arylboronic acid building block used to introduce a 3,4-dichlorophenyl group in suitable synthetic routes. The practical next step is to define your application, quantity, grade, critical quality limits, and documentation needs, then compare quotations against that same specification. Confirm lot documentation, packaging, availability, and delivery terms before purchase, and use the SDS for handling guidance. Contact Maison Chemical with your target specification, required quantity, and destination to discuss availability and request a quotation.

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