What Is 3'-Amino-2'-hydroxybiphenyl-3-carboxylic Acid CAS 376592-93-7? Uses, Specifications, and Supplier Information

3'-Amino-2'-hydroxybiphenyl-3-carboxylic Acid, CAS 376592-93-7, is an aromatic biphenyl carboxylic acid containing an amino group, a hydroxy group, and a carboxylic acid group. I classify it as a specialty organic intermediate rather than as a finished pharmaceutical ingredient. Its combination of two aromatic rings and three reactive functional groups makes it relevant for medicinal chemistry, process research, and the preparation of more complex organic molecules.

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The most important point for buyers is that the exact commercial specification must be confirmed directly with the supplier. Publicly available information may identify the compound and CAS number, but it does not automatically establish a universal purity, appearance, water content, residual-solvent limit, packaging format, or production scale. At Maison Chemical, I recommend evaluating this material through identity confirmation, current batch documentation, intended-use requirements, and supply capability before placing a purchase order.

Core Identity and Chemical Structure

The name describes the basic structure: a biphenyl framework is substituted with an amino group at the 3' position, a hydroxy group at the 2' position, and a carboxylic acid group at the 3 position. This means the molecule contains two aromatic rings and three principal functional groups. These structural features can influence solubility, hydrogen bonding, reaction selectivity, purification behavior, and compatibility with downstream synthetic steps.

CAS 376592-93-7 is the key registry identifier buyers should use when requesting quotations or technical documents. I also advise customers to include the full chemical name, intended application, required quantity, destination country, and any internal specification in the inquiry. Name-only searches can sometimes produce confusion between positional isomers or closely related amino-hydroxy biphenyl carboxylic acids.

What Is It Used For?

Pharmaceutical and Medicinal Chemistry Research

This compound may be considered as a building block or advanced intermediate in pharmaceutical discovery and process-development programs. The amino, hydroxy, and carboxylic acid groups provide multiple handles for chemical transformation, including coupling, protection and deprotection, salt formation, and other route-specific reactions. However, I do not recommend describing the material itself as an approved drug, active pharmaceutical ingredient, or therapeutic product unless a separate regulatory basis supports that classification.

In early-stage research, chemists may select this type of multifunctional aromatic intermediate when they need to construct substituted biaryl or heterocyclic structures. Its suitability depends on the planned reaction sequence, catalyst system, solvent, temperature, impurity tolerance, and purification method. A small-scale feasibility experiment is normally appropriate before committing to larger quantities.

Custom Synthesis and Process Development

Specialty chemical companies may use 3'-Amino-2'-hydroxybiphenyl-3-carboxylic Acid as a starting material for analog development or route optimization. The carboxylic acid can participate in amide or ester chemistry, while the amino and hydroxy groups may be selectively modified depending on the reaction design. Chemists should verify chemoselectivity experimentally because unprotected multifunctional molecules can behave differently from protected intermediates.

For process work, the practical value of the compound is not determined by name alone. Lot-to-lot consistency, impurity profile, particle behavior, packaging, and documentation can affect reaction reproducibility. I therefore encourage buyers to define acceptance criteria before requesting a production quotation.

Available Material Options and Specification Formats

Commercial supply can be organized around the buyer’s development stage rather than a single universal package. Research teams may first request a small evaluation quantity, while process-development groups may require kilogram-scale planning or a recurring supply schedule. These are procurement examples, not guaranteed standard pack sizes, so I ask customers to confirm the required amount before quotation.

Some customers request a research-grade material, while others need a tighter internal specification for a regulated or highly controlled development program. These terms should be defined in writing because “research grade” is not a complete specification by itself. I recommend confirming assay method, identity method, water content, residual solvents, elemental impurities where relevant, and any named or unknown impurity limits required by the buyer.

Key Specifications Buyers Should Confirm

A reliable specification review should begin with identity. The purchase documents should match CAS 376592-93-7 and the stated chemical name, while the supplier’s analytical method should be suitable for confirming the expected structure. Depending on the project, identity may be assessed using techniques such as NMR, mass spectrometry, infrared spectroscopy, or chromatographic comparison, but the applicable method should be agreed between buyer and supplier.

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Purity is another important factor, but I avoid presenting a single universal purity number without a current batch record. The buyer should ask whether purity is reported by HPLC, area percentage, assay, or another method, because these results are not automatically interchangeable. A useful request includes the target value, analytical method, detection approach, and whether the result is batch-specific.

Physical and handling information also matters. Buyers should request appearance, storage recommendation, container type, net weight, lot number, manufacturing date, retest or review date if assigned, and safety documentation. If the material is sensitive to moisture, light, heat, or oxidation, the supplier should communicate the relevant handling controls rather than leaving the customer to infer them from the chemical name.

How I Recommend Selecting a Supplier

1. Confirm the Exact Material

Start with the CAS number and complete name, then compare the supplier’s documents with your internal structure record. If your project involves a positional isomer, protected derivative, salt, or solvated form, state that clearly. This step reduces the risk of ordering a related compound that has a similar name but different reactivity.

2. Review Current Batch Evidence

Ask for a recent certificate of analysis or equivalent batch documentation where commercially appropriate. The document should identify the lot, test parameters, results, and release status in a way that your quality team can review. I recommend requesting clarification whenever the supplier provides only a catalogue description without batch-specific information.

3. Evaluate Supply and Logistics

Price is only one part of sourcing risk. I also compare minimum order quantity, sample availability, production lead time, packaging, export documents, shipping route, and communication speed. For international orders, the buyer should confirm Incoterms, destination requirements, customs information, and whether the requested documents are available before dispatch.

4. Match the Specification to the Application

A discovery chemist may prioritize fast sampling and reaction screening, while a process team may prioritize impurity control and repeatability. A purchasing department may need forecast-based supply and predictable documentation. I recommend sharing the intended use at an appropriate level so the supplier can propose a practical specification instead of quoting an unsuitable generic grade.

Maison Chemical Supplier Support

Maison Chemical supports B2B customers seeking 3'-Amino-2'-hydroxybiphenyl-3-carboxylic Acid CAS 376592-93-7 for pharmaceutical-intermediate and specialty-chemical applications. I can help organize product identification, specification review, quotation preparation, packaging discussion, and export coordination. Where the project requires additional verification, I encourage the buyer to identify the required analytical documents before order confirmation.

Our support approach is designed for customers at different stages, including laboratory evaluation, route development, pilot planning, and repeat sourcing. Availability, quantity, lead time, and documentation depend on the current production and inventory situation, so I provide these details on an inquiry-specific basis rather than making unsupported universal promises. For a technically sensitive project, I also recommend discussing the required purity method, impurity limits, and sample approval process in advance.

Key Takeaways for Buyers

• 3'-Amino-2'-hydroxybiphenyl-3-carboxylic Acid is an aromatic biphenyl carboxylic acid identified by CAS 376592-93-7.
• Its structure contains two aromatic rings and amino, hydroxy, and carboxylic acid functional groups.
• Potential uses include medicinal chemistry, pharmaceutical-intermediate development, custom synthesis, and process research.
• Purity, identity, water, residual solvents, packaging, and other limits must be confirmed against the buyer’s application.
• A complete supplier evaluation should include current batch evidence, quantity capability, lead time, export support, and communication quality.

Conclusion: Is This the Right Intermediate for Your Project?

3'-Amino-2'-hydroxybiphenyl-3-carboxylic Acid CAS 376592-93-7 is a multifunctional aromatic intermediate that may be useful when a synthesis requires a substituted biphenyl carboxylic acid with amino and hydroxy functionality. Its actual value depends on reaction performance, required purity, analytical acceptance criteria, and supply reliability. I do not recommend selecting it solely from a catalogue name or an unverified headline specification.

The next practical step is to send Maison Chemical your required quantity, intended application, target specification, destination, and documentation needs. I can then help you assess availability, packaging, lead time, batch information, and quotation conditions for your project. This approach gives your technical and purchasing teams a clearer basis for deciding whether CAS 376592-93-7 fits your development or sourcing plan.

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