Industrial Purity Process: Imidazo(1,2-A)Pyridine-3-Acetic Acid
Overcoming Yield Loss and Impurity Challenges in Scale-Up
Procurement executives and R&D chemists frequently encounter significant bottlenecks when sourcing key intermediates for hypnotic-sedative pharmaceuticals. Inconsistent batch-to-batch quality, residual solvent issues, and suboptimal yields during the hydrolysis step often disrupt production timelines. Achieving industrial purity requires rigorous control over reaction conditions, specifically during the neutralization and crystallization phases. Without a reliable supplier who understands the nuances of heterocyclic acid stabilization, projects face delays due to failed QC inspections. At NINGBO INNO PHARMCHEM CO.,LTD., we prioritize consistency to ensure your downstream synthesis remains uninterrupted.
Detailed Chemical Synthesis Route and Reaction Mechanism
The preferred manufacturing process for generating this critical chemical building block involves the alkaline hydrolysis of the corresponding ethyl ester precursor. The synthesis route begins with dissolving ethyl 2-(imidazo[1,2-a]pyridin-3-yl)acetate in ethanol, followed by the addition of aqueous sodium hydroxide. The mixture is stirred at controlled temperatures between 40 and 50°C to ensure complete conversion while minimizing degradation. For detailed product specifications, you can review 2-(imidazo[1,2-a]pyridin-3-yl)acetic acid parameters directly. Following reaction completion monitored by TLC, the solution is extracted to remove non-polar impurities. The aqueous layer is then carefully neutralized with hydrochloric acid to precipitate the free acid. Final purification involves refluxing in anhydrous ethanol followed by cooling and filtration to obtain high-purity white solids with yields exceeding 93%.
Technical Specifications and Analytical Methods
Quality assurance is paramount for pharma-grade intermediates. Every batch undergoes strict verification against established standards. Below are the critical technical parameters maintained during production:
| Parameter | Specification | Test Method |
|---|---|---|
| CAS Number | 17745-04-9 | Verification |
| Molecular Formula | C9H8N2O2 | Calculation |
| Molecular Weight | 176.17 g/mol | MS |
| Purity (HPLC) | > 98.5% | High Performance Liquid Chromatography |
| Appearance | White to Off-White Solid | Visual Inspection |
| Loss on Drying | < 0.5% | Karl Fischer / Oven Method |
| Documentation | Full COA Provided | QC Department |
Our quality control team ensures that every COA reflects accurate data regarding residual solvents and heavy metals, adhering to international pharmacopeia guidelines.
Factory-Direct Bulk Pricing Advantages and Supply Chain Stability
Securing a stable supply chain is essential for long-term project viability. By partnering with a global manufacturer capable of handling tonnage orders, you mitigate the risk of market shortages. We offer competitive bulk price structures that reflect true factory supply efficiencies, eliminating unnecessary middleman costs. For forward-looking procurement strategies, consider reviewing our insights on Factory Supply Bulk Price 2-(Imidazo[1,2-A]Pyridin-3-Yl)Acetic Acid 2026 to understand market trends. NINGBO INNO PHARMCHEM CO.,LTD. maintains robust inventory levels to support both custom synthesis requests and standard stock delivery, ensuring your production lines never stall due to material scarcity.
Partnering with us means gaining access to technically sophisticated intermediates backed by transparent documentation and logistical expertise. Ready to optimize your supply chain? Reach out to our logistics team today for comprehensive specifications and tonnage availability.