Industry Trends in Amino Acid Derivatives
The global market for amino acid derivatives, particularly those with therapeutic applications, is experiencing robust growth driven by an aging population, increasing prevalence of chronic diseases, and a heightened focus on medical nutrition. Within this landscape, α-ketophenylalanine calcium (also known by its CAS No. 51828 93 4) stands out as a critical component in specialized dietary management, particularly for patients with chronic kidney disease (CKD). Regulatory shifts, such as stricter guidelines for pharmaceutical ingredients and greater emphasis on cGMP compliance, are shaping manufacturing practices, pushing for higher purity and consistency standards. The demand for keto-acid analogs, which reduce nitrogen load and support protein synthesis without increasing uremic toxins, is steadily climbing, reflecting their essential role in conservative CKD treatment protocols. Moreover, advancements in synthesis technologies are enabling the production of high-purity, enantiomerically specific compounds, further enhancing their therapeutic efficacy and safety profiles.
Key market drivers include the expanding application in medical food formulations, the push for personalized nutrition, and ongoing research into novel therapeutic uses beyond renal insufficiency. Manufacturers are increasingly investing in sustainable and efficient production methods to meet this growing demand while adhering to stringent environmental and quality controls. The trend towards globalized supply chains also necessitates robust quality assurance systems and transparent documentation to ensure product integrity from synthesis to patient.
Manufacturing Process Flow of α-Ketophenylalanine Calcium
The production of α-ketophenylalanine calcium involves a meticulous multi-step chemical synthesis process designed to achieve high purity and consistent quality, crucial for its pharmaceutical applications. This sophisticated process ensures the compound's stability and bioavailability. Below is a detailed outline of the typical manufacturing workflow:
Process Steps:
- Raw Material Sourcing & Preparation: High-grade L-phenylalanine or a suitable derivative serves as the primary precursor. All raw materials undergo stringent quality control checks (e.g., purity by HPLC, identity by IR spectroscopy) to ensure they meet pharmacopoeial standards such as USP or EP. Solvents and reagents are also verified for purity to prevent contamination.
- Reaction (Transamination/Oxidation): The core synthesis step typically involves the enzymatic transamination or chemical oxidation of the phenylalanine precursor. In enzymatic methods, a specific transaminase enzyme converts L-phenylalanine into 2-oxo-3-phenylpropanoic acid, releasing an amino group. Chemical oxidation routes might involve milder oxidizing agents under controlled conditions. This step is critical for forming the α-keto acid structure. Reaction parameters such as temperature, pH, and reaction time are precisely controlled within narrow ranges.
- Calcium Salt Formation: Following the formation of 2-oxo-3-phenylpropanoic acid, this intermediate is reacted with a calcium source (e.g., calcium carbonate or calcium hydroxide) under controlled conditions to form its calcium salt. This step ensures the desired ionic form and enhances stability.
- Purification: The crude product undergoes multiple purification stages. This typically involves solvent extraction to remove impurities and unreacted starting materials, followed by activated carbon treatment for decolorization. Further purification may include recrystallization from suitable solvent systems to achieve the desired purity and crystal morphology.
- Filtration & Washing: The crystallized calcium salt is separated from the mother liquor by filtration, often using advanced membrane filtration systems. The filter cake is then thoroughly washed with purified solvents to remove residual impurities and processing aids.
- Drying: The wet cake is dried in vacuum ovens or fluid bed dryers under controlled temperature and humidity to reduce moisture content to specified levels, preventing degradation and ensuring long-term stability. Drying parameters are meticulously monitored.
- Milling & Sieving: If required, the dried product is milled to achieve a specific particle size distribution (PSD), essential for uniform blending in formulations and optimal dissolution rates. Sieving ensures homogeneity and removes any agglomerates.
- Quality Control & Packaging: The final product batch undergoes extensive analytical testing for identity (HPLC, NMR, IR), purity (HPLC for related substances, assay), heavy metals, microbial limits, and residual solvents, adhering to ISO 9001 and cGMP standards. Once approved, the product is packaged in multi-layer aluminum bags or drums, purged with nitrogen, and sealed to protect against moisture and oxygen degradation, ensuring a shelf life typically exceeding 24 months under specified storage conditions.
Testing Standards: Throughout the process, adherence to international pharmaceutical quality standards is paramount. This includes compliance with cGMP (current Good Manufacturing Practices), ISO 9001:2015 for quality management systems, and specific monographs from pharmacopoeias such as USP (United States Pharmacopeia) and EP (European Pharmacopoeia). These standards dictate acceptable limits for impurities, heavy metals, microbial count, and ensure batch-to-batch consistency.
Target Industries & Advantages: Our high-purity compound primarily targets the pharmaceutical industry for the formulation of renal diet supplements and medical foods for CKD patients. It also serves the nutraceutical sector and R&D for metabolic studies. Key advantages include superior purity levels (typically >98%), optimal bioavailability, and stability, contributing directly to enhanced therapeutic outcomes by efficiently reducing nitrogen load and supporting anabolism in compromised metabolic states. This contrasts with less refined alternatives that may introduce higher levels of impurities or have compromised stability, potentially leading to adverse effects or reduced efficacy.
Technical Specifications & Parameters
Our α-ketophenylalanine calcium product is manufactured to exacting specifications, ensuring superior quality and performance for critical applications. The following table details the key technical parameters and specifications, reflecting our commitment to pharmaceutical-grade excellence.
| Parameter | Specification | Test Method |
|---|---|---|
| Chemical Name | Calcium 2-oxo-3-phenylpropanoate | — |
| CAS Number | 51828-93-4 | — |
| Molecular Formula | C18H14CaO6 | — |
| Molecular Weight | 366.38 g/mol | — |
| Appearance | White to off-white crystalline powder | Visual |
| Assay (on dry basis) | ≥ 98.0% | HPLC |
| Related Substances | Total impurities ≤ 1.0% | HPLC |
| Loss on Drying | ≤ 5.0% | Gravimetry (105°C, 3h) |
| Heavy Metals (as Pb) | ≤ 10 ppm | ICP-MS |
| Arsenic (As) | ≤ 1 ppm | ICP-MS |
| Residual Solvents | Meets USP/EP requirements | GC-FID |
| Solubility | Sparingly soluble in water, freely soluble in dilute acids | Pharmacopoeial test |
| Microbial Limits | Total Plate Count ≤ 100 CFU/g, Yeast & Mold ≤ 10 CFU/g. Absence of specified pathogens. | USP <61>/<62> |
| Storage | Store in tightly closed container111, protected from light and moisture, at controlled room temperature. | — |
Application Scenarios & Technical Advantages
α-Ketophenylalanine calcium plays a pivotal role in advanced medical and nutritional therapies, primarily due to its unique metabolic pathway and high purity profile. Its application spans several critical areas:
- Chronic Kidney Disease (CKD) Management: As a keto-analog of phenylalanine, it is a cornerstone in Low Protein Diet (LPD) regimens for CKD patients, particularly in stages 3-5. It provides a non-nitrogenous carbon skeleton that can be transaminated in vivo to L-phenylalanine, thus reducing the nitrogen load on compromised kidneys while supplying an essential amino acid precursor. This helps mitigate uremic toxin buildup, slow disease progression, and improve patient quality of life.
- Medical Foods & Nutritional Support: Integrated into specialized medical foods, this compound supports protein synthesis in patients requiring restricted protein intake or those with specific metabolic disorders, ensuring adequate nutritional status without exacerbating renal stress. This is vital for maintaining muscle mass and overall health in vulnerable populations.
- Research & Development: Researchers utilize high-purity keto-acids in metabolic studies, particularly those investigating amino acid metabolism, nitrogen balance, and the efficacy of keto-acid therapies in various physiological and pathological states. Its well-defined chemical structure and purity are critical for obtaining reliable research outcomes.
Technical Advantages:
- High Purity & Low Impurity Profile: Our stringent cGMP manufacturing process ensures a product with >98% assay and minimal impurities, significantly reducing the risk of adverse reactions and maximizing therapeutic efficacy. This is critical for patient safety, especially in chronic conditions.
- Optimized Bioavailability: The calcium salt form of 2-oxo-3-phenylpropanoic acid is carefully engineered for optimal solubility and absorption, ensuring efficient conversion to L-phenylalanine in the body.
- Enhanced Stability: Our product exhibits excellent long-term stability under recommended storage conditions, preserving its chemical integrity and potency over extended periods, which is vital for pharmaceutical formulations.
- Batch-to-Batch Consistency: Through rigorous process control and advanced analytical testing, we guarantee consistent product quality across all batches, providing reliability for large-scale pharmaceutical manufacturing.
- Regulatory Compliance: Manufactured in facilities compliant with ISO 9001 and cGMP standards, our product meets the most demanding international regulatory requirements, simplifying market entry for our clients.
Vendor Comparison & Customized Solutions
Selecting the right supplier for critical pharmaceutical raw materials like α-ketophenylalanine calcium is paramount. Our commitment to quality, consistency, and client-centric service distinguishes us in a competitive market. Below is a comparative overview highlighting our strengths against typical industry offerings.
| Feature | Our Offering (KXDChem) | Typical Market Offering |
|---|---|---|
| Product Purity (Assay) | ≥ 98.0% (HPLC) | Typically 95-97% |
| Impurity Profile | Total impurities ≤ 1.0%, specified limits for individual impurities. | Often >1.5%, less stringent control on specific impurities. |
| Manufacturing Standards | cGM-compliant, ISO 9001:2015 certified. | Variable, often basic ISO, sometimes not cGMP. |
| Batch Consistency | Exceptional, validated through statistical process control. | May vary, requiring more internal QC from client. |
| Documentation Support | Comprehensive CoA, MSDS, TSE/BSE, allergen statements, regulatory filings support. | Basic documentation, limited regulatory assistance. |
| Customization Potential | Particle size, specific packaging, analytical method validation, technical support for formulation. | Generally off-the-shelf, minimal flexibility. |
| Lead Time & Reliability | Consistent, reliable supply chain, flexible lead times based on client needs. | Can be unpredictable, longer lead times for custom orders. |
Customized Solutions:
We understand that each client’s formulation and processing requirements are unique. Our team of experienced chemists and technical support specialists are adept at providing tailored solutions:
- Particle Size Optimization: We can adjust the particle size distribution of this specialized keto-acid to suit specific downstream processing needs, such as direct compression, granulation, or dissolution kinetics, enhancing blend uniformity and tablet characteristics.
- Custom Packaging: From bulk drums to specific bag sizes, we offer flexible packaging options to integrate seamlessly into your manufacturing line, reducing handling costs and waste.
- Analytical Method Development & Validation: Our R&D team can collaborate with clients to develop or validate specific analytical methods for quality control, ensuring compliance with internal standards or unique regulatory requirements.
- Technical Formulation Support: We provide expert technical guidance during your product development phase, helping to optimize the inclusion of this compound into complex formulations.
Application Case Studies
Case Study 1: Enhanced Renal Nutrition Formulation
A leading pharmaceutical company specializing in medical nutrition approached us seeking a high-purity source of α-ketophenylalanine calcium for their new-generation renal support tablet. Their previous supplier struggled with batch-to-batch consistency in purity and particle size, leading to challenges in tablet hardness and dissolution profiles.
- Challenge: Inconsistent raw material quality affecting downstream processing and final product performance.
- Solution: We supplied α-ketophenylalanine calcium manufactured under strict cGMP conditions, offering an assay of >98.5% and a tightly controlled particle size distribution (D50 of 25 microns). Our technical team collaborated closely to validate the optimal particle size for their direct compression formulation.
- Outcome: The client successfully launched their new product with improved tablet uniformity, enhanced dissolution rates, and reduced manufacturing variability. Feedback highlighted "unprecedented consistency" and "significantly simplified QC procedures." This partnership resulted in a 30% reduction in formulation adjustment time and a 15% increase in production yield for the client.
Case Study 2: Research & Development for Novel Metabolic Therapies
A university research consortium focusing on metabolic disorders required ultra-high purity α-ketophenylalanine calcium (CAS No. 51828 93 4) for advanced in-vitro and in-vivo studies investigating nitrogen metabolism and potential applications in rare genetic disorders. Their primary concern was the presence of trace impurities that could interfere with sensitive biochemical assays.
- Challenge: Need for exceptionally high purity (analytical grade) with comprehensive impurity profiling.
- Solution: We provided a custom-synthesized batch of this compound with an assay exceeding 99.0% and a detailed Certificate of Analysis that included a comprehensive impurity breakdown from advanced spectroscopic methods (NMR, Mass Spec). Our R&D team also offered insights into the stability characteristics relevant to their experimental design.
- Outcome: The consortium reported highly reproducible experimental results, attributing the success to the purity and detailed characterization of our supplied material. This enabled them to publish their findings in high-impact journals, accelerating their research into potential therapeutic interventions. They became a long-term client for specialized research chemicals.
Trust & Support: FAQ, Lead Times, Warranty, and After-Sales
Frequently Asked Questions (FAQ)
Q1: What is the typical lead time for this product's orders?
A1: Standard lead time for in-stock quantities is typically 2-4 weeks. For large volume or customized orders, lead times can range from 6-10 weeks, depending on the complexity and current production schedule. We recommend contacting our sales team for precise lead time estimates based on your specific requirements.
Q2: What quality certifications does your α-ketophenylalanine calcium hold?
A2: Our α-ketophenylalanine calcium is produced in cGMP-compliant facilities, and our quality management system is certified to ISO 9001:2015. We also ensure adherence to relevant pharmacopoeial standards such as USP and EP.
Q3: Can you provide samples for R&D purposes?
A3: Yes, we offer samples for evaluation by qualified R&D institutions and potential clients. Please contact our sales department to discuss your requirements and obtain sample quantities.
Q4: What is the shelf life of the compound?
A4: Under recommended storage conditions (tightly closed container111, protected from light and moisture, at controlled room temperature), our product has a typical shelf life of 24 months from the manufacturing date. Re-test dates are provided on the Certificate of Analysis.
Lead Time & Fulfillment
Our supply chain is optimized for efficiency and reliability. We maintain strategic inventories of this critical raw material to facilitate prompt order fulfillment. For standard product specifications and quantities, lead times are typically 2-4 weeks. For custom requirements or significantly large volumes, our dedicated logistics team works closely with clients to establish realistic and reliable delivery schedules. We prioritize transparent communication regarding lead times and provide real-time updates on order status.
Warranty Commitments
We stand behind the quality of our product. All products are guaranteed to meet the specifications detailed in their respective Certificates of Analysis (CoA) and comply with the stated quality standards (c.f. USP, EP, ISO 9001). In the unlikely event of a product failing to meet these specifications upon delivery, provided it has been stored and handled according to our recommendations, we commit to prompt investigation, replacement, or credit, in accordance with our standard terms and conditions.
Customer Support & Technical Assistance
Our commitment extends beyond product delivery. KXDChem offers comprehensive after-sales support, including:
- Technical Expertise: Our team of highly qualified chemists and technical specialists is available to provide detailed product information, formulation advice, and troubleshooting support.
- Regulatory Support: Assistance with documentation for regulatory submissions, including DMF (Drug Master File) support where applicable.
- Responsive Service: Dedicated account managers ensure your inquiries are handled efficiently and effectively, from initial contact through to post-delivery support.
For any inquiries or support requests, please contact us via our website or direct line. We are here to ensure your success.
References
- United States Pharmacopeia (USP) - Monographs for Phenylalanine and related compounds.
- European Pharmacopoeia (EP) - Monographs for medicinal substances.
- International Organization for Standardization (ISO) 9001:2015 - Quality management systems requirements.
- Clinical studies on keto-acid analogues in chronic kidney disease management. Journal of Renal Nutrition.
- Principles of Pharmaceutical Manufacturing: cGMP Guidelines.