page_banner

News

Piperazine-2-carboxylic acid (CAS 2762-32-5): Key Pharmaceutical Building Block for Drug Discovery

1. Introduction to Piperazine-2-carboxylic acid In the highly competitive and strictly regulated fields of pharmaceutical and agrochemical development, the selection of high-quality raw materials dictates the success of the entire project. For process engineers, procurement managers, and production heads, sourcing a reliable pharmaceutical intermediate is a critical strategic decision. Piperazine-2-carboxylic acid (CAS 2762-32-5) has emerged as a highly versatile and indispensable compound in modern organic synthesis.

As a specialized piperazine building block, this compound bridges the gap between complex molecular design and scalable commercial manufacturing. Xinchem, a premier provider of custom synthesis and contract manufacturing products, supplies high-purity Piperazine-2-carboxylic acid to global markets, ensuring that drug discovery pipelines and agrochemical formulations proceed without supply chain interruptions.

To secure a stable supply for your production lines, request an RFQ at Xinchem today: https://www.xinchem.com/

2. Chemical Identity and Technical Specifications Understanding the precise chemical properties of 2-piperazinecarboxylic acid is essential for safety engineers and formulation scientists. Structurally, it is a piperazine ring substituted with a carboxylic acid group at the second position. This unique structure makes it an unnatural amino acid derivative, possessing both basic secondary amine groups and an acidic carboxyl group, resulting in zwitterionic properties under certain pH conditions.

  • Chemical Name: Piperazine-2-carboxylic acid
  • Synonyms: 2-piperazinecarboxylic acid; Hexahydropyrazine-2-carboxylic acid
  • CAS Number: 2762-32-5
  • Molecular Formula: C5H10N2O2
  • Molecular Weight: 130.14 g/mol
  • Appearance: White to off-white crystalline powder
  • Solubility: Highly soluble in water; slightly soluble in organic solvents.

At Xinchem, we guarantee a high-purity profile (typically ≥99.0% by HPLC), which is critical when the compound is used as a precursor in sensitive biological applications. Our expertise in amino acid derivatives ensures that impurities, which could cause side reactions or reduce overall yield, are rigorously controlled. For more details on our related product lines, explore our amino acid derivatives: https://www.xinchem.com/amino-acid-derivatives/

[Insert Image 1 Here: High purity Piperazine-2-carboxylic acid white powder sample in a laboratory setting for drug discovery.]

3. The Role of the Piperazine Building Block in Drug Discovery The piperazine ring is a privileged scaffold in medicinal chemistry. It is found in a vast array of biologically active molecules due to its ability to modulate favorable pharmacokinetic properties, such as aqueous solubility, bioavailability, and metabolic stability.

Piperazine-2-carboxylic acid serves as a highly functionalized piperazine building block. The presence of the carboxylic acid group provides a convenient handle for further functionalization, such as amide bond formation, esterification, or decarboxylative cross-coupling. This allows medicinal chemists to rapidly generate diverse libraries of compounds during the lead optimization phase of drug discovery. By utilizing a pre-functionalized ring system, R&D teams can significantly reduce the number of synthetic steps required to reach their target Active Pharmaceutical Ingredients (APIs).

4. Applications as a Pharmaceutical Intermediate The primary demand for 2-piperazinecarboxylic acid stems from its role as a critical pharmaceutical intermediate. Its structural rigidity and hydrogen-bonding capabilities make it an ideal fit for interacting with various biological receptors and enzymes.

4.1 Anti-anxiety Drug Intermediate and CNS Therapeutics One of the most prominent applications of this compound is its use as an anti-anxiety drug intermediate. The piperazine moiety is a well-known pharmacophore in central nervous system (CNS) agents, particularly those targeting serotonin and dopamine receptors. Derivatives of Piperazine-2-carboxylic acid are actively researched and utilized in the synthesis of anxiolytics, antidepressants, and antipsychotics. The precise spatial arrangement afforded by the 2-carboxy substitution allows for highly specific receptor binding, minimizing off-target effects and improving the safety profile of the resulting neurological drugs.

4.2 Antibacterial and Antiviral Developments Beyond CNS therapeutics, this pharmaceutical intermediate is heavily utilized in the development of antimicrobial agents. The piperazine core is a key component in fluoroquinolone antibiotics. By incorporating the carboxylic acid functionality, researchers can synthesize novel antibacterial and antiviral compounds designed to combat resistant strains of pathogens. The robust nature of the piperazine ring ensures the stability of the drug in the acidic environment of the stomach, enhancing oral bioavailability.

[Insert Image 2 Here: Pharmaceutical scientists utilizing piperazine building block for anti-anxiety drug intermediate synthesis.]

5. Utilization as an Agrochemical Intermediate The utility of Piperazine-2-carboxylic acid extends beyond human health into the agricultural sector. As an agrochemical intermediate, it is employed in the synthesis of advanced crop protection agents, including highly selective herbicides, fungicides, and insecticides.

In agrochemical formulation, the environmental profile and target specificity of the active ingredient are paramount. The piperazine scaffold helps in designing molecules that are highly toxic to specific pests while remaining safe for non-target organisms and degrading safely in the soil. Procurement managers in the agrochemical industry rely on Xinchem’s consistent bulk supply to maintain their seasonal production schedules without compromising on quality.

6. The Importance of the Chiral Building Block in Synthesis Modern pharmacology increasingly demands enantiomerically pure drugs, as different enantiomers of a chiral molecule can exhibit vastly different biological activities. While Piperazine-2-carboxylic acid (CAS 2762-32-5) is often supplied as a racemate, it serves as a foundational chiral building block.

Through advanced resolution techniques or asymmetric synthesis, it can be converted into its pure (R)- or (S)-enantiomers. These enantiopure building blocks are crucial for synthesizing stereospecific APIs. Xinchem’s advanced technological capabilities allow us to support clients who require specific stereochemical configurations, ensuring that the resulting pharmaceutical intermediate meets the stringent requirements set by regulatory bodies like the FDA and EMA.

7. Xinchem’s Custom Synthesis and Contract Manufacturing Scaling up from a laboratory bench to commercial production is a complex challenge fraught with engineering and safety hurdles. Xinchem excels in bridging this gap through our comprehensive custom synthesis and contract manufacturing services.

When you partner with Xinchem, you gain access to state-of-the-art manufacturing facilities capable of handling complex multi-step syntheses. Our process engineers specialize in optimizing reaction conditions, improving atom economy, and minimizing waste generation. Whether you require a few kilograms for clinical trials or multi-ton quantities for commercial launch, our scalable infrastructure ensures seamless technology transfer.

Learn more about our advanced manufacturing processes and technology: https://www.xinchem.com/technology/

[Insert Image 3 Here: Industrial scale contract manufacturing of 2-piperazinecarboxylic acid at Xinchem facility.]

8. Quality Assurance and Analytical Testing For production managers, the consistency of raw materials is non-negotiable. Xinchem operates under strict Quality Management Systems (QMS) to ensure that every batch of Piperazine-2-carboxylic acid meets exact specifications.

Our analytical testing protocols include:

  • High-Performance Liquid Chromatography (HPLC) for purity profiling.
  • Nuclear Magnetic Resonance (NMR) spectroscopy for structural verification.
  • Karl Fischer titration for precise moisture determination.
  • Heavy metal and residue solvent analysis to comply with ICH guidelines.

This rigorous QA/QC framework guarantees that our pharmaceutical intermediate will perform predictably in your downstream processes, safeguarding your final product’s integrity. Explore our diverse range of high-quality products: https://www.xinchem.com/products/

9. Safety, Handling, and Storage Guidelines for Process Engineers Safety engineers must implement robust protocols when handling 2-piperazinecarboxylic acid. While it is a stable compound, standard industrial hygiene practices are mandatory.

  • Personal Protective Equipment (PPE): Operators must wear NIOSH-approved dust masks or respirators, chemical-resistant gloves, and safety goggles to prevent inhalation and skin/eye contact.
  • Handling: Avoid generating dust. Ensure operations are conducted under local exhaust ventilation (LEV).
  • Storage: The compound should be stored in a cool, dry, and well-ventilated warehouse. It must be kept away from strong oxidizing agents and strong acids.
  • Packaging: Xinchem typically supplies this product in 25kg fiber drums with double-layered PE inner bags to prevent moisture ingress during global transit.

Always refer to the latest Safety Data Sheet (SDS) provided by Xinchem for comprehensive safety information.

10. Supply Chain Reliability and Procurement Strategy In today’s volatile global market, procurement managers face the constant challenge of mitigating supply chain risks. Relying on a single-source supplier without robust manufacturing capabilities can lead to catastrophic production halts.

Xinchem mitigates this risk by offering a vertically integrated supply chain. By controlling the synthesis of key precursors, including aromatic heterocyclic derivatives https://www.xinchem.com/aromatic-heterocyclic-derivatives/ and linear chain derivatives https://www.xinchem.com/linear-chain-derivatives/, we insulate our clients from raw material shortages. Our transparent communication, competitive pricing, and reliable lead times make us the preferred partner for leading pharmaceutical and agrochemical companies worldwide.

[Insert Image 4 Here: Quality control analysis of chiral building block and packaging of pharmaceutical intermediates.]

11. Conclusion: Partnering with Xinchem Piperazine-2-carboxylic acid (CAS 2762-32-5) is more than just a chemical; it is a vital catalyst for innovation in drug discovery and agrochemical development. Whether you are utilizing it as an anti-anxiety drug intermediate or a versatile chiral building block, the quality of your source material defines your success.

Xinchem combines deep chemical expertise, advanced contract manufacturing capabilities, and unwavering commitment to quality to deliver superior pharmaceutical intermediates. We invite process engineers, procurement managers, and R&D directors to experience the Xinchem difference.

Ready to optimize your supply chain? Contact Xinchem today to discuss your custom synthesis needs and request a quote: https://www.xinchem.com/

12. Frequently Asked Questions (FAQ)

Q1: What makes Piperazine-2-carboxylic acid a good pharmaceutical intermediate? A1: Its unique structure, combining a rigid piperazine ring with a reactive carboxylic acid group, allows for easy functionalization. It improves the pharmacokinetic properties of drugs, such as solubility and target receptor binding, making it especially useful in CNS and antimicrobial drug development.

Q2: Can Xinchem provide the chiral (enantiopure) versions of this building block? A2: Yes. While CAS 2762-32-5 typically refers to the racemic mixture, Xinchem’s custom synthesis capabilities allow us to produce specific (R)- or (S)-enantiomers through advanced chiral resolution or asymmetric synthesis, depending on your project requirements.

Q3: What is the standard packaging for bulk orders of 2-piperazinecarboxylic acid? A3: For commercial bulk orders, we typically package the product in 25kg fiber drums lined with double-layer polyethylene (PE) bags to ensure protection against moisture and contamination. Custom packaging solutions are also available upon request.

Q4: Does Xinchem offer scale-up services from R&D to commercial manufacturing? A4: Absolutely. Contract manufacturing and scale-up are our core strengths. Our process engineers work closely with your team to ensure a seamless technology transfer from pilot-scale batches to multi-ton commercial production, optimizing yield and cost-efficiency.


Post time: Apr-07-2026