Guide to 2-Bromopyridine-5-carbaldehyde CAS 149806-06-4: Uses, Specifications, and Sourcing

2-Bromopyridine-5-carbaldehyde (CAS 149806-06-4) is a brominated pyridine building block with both an aryl bromide and an aldehyde functional group. These features make it a candidate intermediate for synthetic research and the preparation of more complex heterocyclic compounds. Buyers evaluating it should confirm the required identity, analytical specifications, quantity, and documentation before requesting a quotation. This guide explains its structural value, application considerations, and practical sourcing questions.

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Key Takeaways

• Its bromine substituent and aldehyde group provide distinct sites for further chemical transformations.
• CAS number, formula, and calculated molecular weight help establish a starting point for identity checks, but a current certificate of analysis (COA) should be reviewed for each lot.
• Purity method, packaging, MOQ, lead time, and shipping requirements should be confirmed against the buyer’s intended use and order size.
• Maison Chemical can discuss product availability and sourcing requirements with B2B buyers; specifications and commercial terms should be confirmed in the quotation.

Who This Guide Is For

This guide is intended for procurement teams, medicinal and process chemists, research organizations, and manufacturers assessing 2-Bromopyridine-5-carbaldehyde as a potential intermediate. It is especially relevant when a project requires a pyridine ring bearing both a halogen and a carbonyl-containing substituent. The information can help buyers prepare a clear inquiry, but it does not replace project-specific technical review or the supplier’s lot documentation.

Basic Chemical Context

The compound is a pyridine derivative with bromine at the 2-position and a carbaldehyde group at the 5-position. In synthetic planning, the aryl bromide may be considered for compatible coupling or substitution chemistry, while the aldehyde can participate in transformations such as condensation or reduction, depending on the reaction design. These are possible uses based on functional-group chemistry, not a guarantee that every reaction will be suitable or successful.

For preliminary material calculations, the molecular formula is C₆H₄BrNO and the calculated molecular weight is approximately 186.01 g/mol. On that basis, 1 mmol corresponds to approximately 186.01 mg of material at 100% assay; actual weighing may need adjustment for the lot’s stated assay and the method used. The theoretical bromine content is approximately 42.96 wt%, calculated from the formula, and is not a measured product specification.

Identity Reference

These identity references are useful for screening product records and purchase documents. They do not confirm the identity or quality of a particular lot, so buyers should check the supplied COA and other available documentation before use.

Application Matching

Consider this building block when a target route requires a substituted pyridine and the project can make use of both the brominated position and the aldehyde functionality. For example, a route may use the bromine-bearing position in a coupling step and convert the aldehyde in a separate transformation. Whether those steps are compatible depends on the other reagents, reaction conditions, and functional groups in the planned synthesis.

Before purchase, confirm that this isomer matches the target structure. Related bromopyridine aldehydes can differ in substituent position, and positional isomers are not automatically interchangeable. If your project requires a particular impurity profile, analytical method, or downstream process condition, communicate that requirement before ordering rather than relying on the product name alone.

Specifications to Confirm Before Purchase

There is no single specification package that fits every research or manufacturing use. Ask the supplier for the current, lot-specific documents available for the offered material and compare them with your internal acceptance criteria. Avoid treating a general product description as a substitute for a defined release specification.

Identity, Assay, and Analytical Method

Confirm the reported assay or purity, the analytical method used, and how the result is expressed. Depending on the supplier’s documentation and the intended application, chromatographic analysis may be used; buyers should verify the specific method and acceptance criteria rather than assume a particular technique. If identity confirmation is essential, ask what supporting analytical data can be provided for the lot.

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Physical and Handling Information

Request the documented appearance and recommended storage and handling information, together with the safety data sheet (SDS). Do not infer storage temperature, shelf life, or transport classification from the compound name. These details should come from current supplier documentation and be checked against your facility’s procedures and applicable shipping requirements.

Selection Framework for B2B Buyers

1. Define the use. State whether the material is for laboratory evaluation, route development, or a larger production-related project. This helps the supplier understand the required quantity and documentation.
2. Set acceptance criteria. Specify the minimum assay, required test method if applicable, and any limits for impurities, water, or residual solvents that matter to your process.
3. Confirm the offered lot. Review the product name, CAS number, lot-specific COA, and available safety documentation before approving the purchase.
4. Check commercial fit. Compare the quoted pack size, MOQ, lead time, and shipping terms with your project schedule and storage capacity.
5. Plan qualification. Where your quality system requires it, assess a sample or initial lot against your own methods before relying on the material in a critical process.

Pricing, MOQ, and Lead Time

Price and availability can vary with order quantity, packaging, current stock, sourcing route, and documentation requirements. MOQ and lead time are likewise quote-specific, so a general online listing may not reflect the terms available for a particular destination or order. For an actionable quotation, provide the requested quantity, delivery location, target date, and any special specification or document requirements.

When comparing offers, assess the full purchasing fit rather than unit price alone. A lower quoted price may not meet a project’s analytical, packaging, or delivery needs, while a smaller pack may be more practical for an initial evaluation. Confirm whether the quotation covers the requested quantity and whether any terms depend on stock confirmation.

Supplier Evaluation Checklist

• Can the supplier confirm the exact name and CAS number for the offered product?
• Is a lot-specific COA available, and does it report the assay and method clearly?
• Can the supplier provide an SDS and clarify the available packaging and handling information?
• Are MOQ, lead time, quote validity, shipping terms, and destination requirements stated clearly?
• Can the supplier review project-specific specifications before the order is placed?

For regulated or quality-sensitive applications, add your organization’s vendor qualification and change-control requirements to this checklist. Request only documentation needed for your intended use, and confirm in writing which specifications are agreed for the order. This makes supplier comparison more transparent and reduces avoidable clarification during procurement.

Sourcing 2-Bromopyridine-5-carbaldehyde from Maison Chemical

Maison Chemical supports B2B inquiries for chemical products, including 2-Bromopyridine-5-carbaldehyde CAS 149806-06-4. To help us assess your request, include your target quantity, destination, required purity or analytical criteria, preferred packaging, and requested delivery schedule. We can then confirm current availability, applicable MOQ and lead time, and which product documents can be provided for the offered material.

If you are still at the evaluation stage, identify the planned application and any acceptance criteria that may affect material selection. Our team can review the inquiry and clarify the information needed for a quotation; product suitability should ultimately be assessed against your synthesis, internal quality requirements, and lot documentation. Contact Maison Chemical with your sourcing requirements to begin that review.

Conclusion

2-Bromopyridine-5-carbaldehyde is a structurally versatile pyridine intermediate for projects that can use its bromine substituent and aldehyde group in further synthesis. Buyers should confirm the correct positional isomer, review lot-specific identity and assay information, and align packaging, MOQ, lead time, and documentation with the project’s needs. The calculated reference values—186.01 g/mol molecular weight, 186.01 mg per mmol, and 42.96 wt% theoretical bromine—support planning but are not substitutes for measured lot data.

The next step is to send Maison Chemical your required quantity, destination, specification, and schedule so availability and commercial terms can be checked. Review the supplied documents against your acceptance criteria before placing or releasing an order for use.