2,6-Dichloronicotinic Acid Synthesis Route High Purity Grade
Procurement teams and process chemists frequently face challenges securing consistent industrial purity for critical intermediates. Supply chain volatility and inconsistent Certificate of Analysis (COA) verification often delay R&D timelines and scale-up processes for essential pharmaceutical building blocks.
Detailed Chemical Synthesis Route and Reaction Mechanism
Optimizing the synthesis route for 2,6-Dichloronicotinic Acid requires precise control over chlorination conditions to minimize byproducts. The preferred manufacturing process involves the reaction of 2,6-dihydroxynicotinamide with phosphorus pentachloride within an aromatic solvent system, such as toluene or chlorobenzene. This liquid-phase reaction ensures efficient stirring and heat transfer compared to solvent-free solid-state methods.
The mechanism proceeds through the conversion of hydroxyl groups to chloro substituents, yielding 2,6-Dichloro-3-pyridinecarboxylic Acid derivatives with high selectivity. Reaction temperatures are carefully maintained between 100°C and 160°C to maximize yield while preventing degradation. Post-reaction workup involves aqueous quenching, phase separation, and recrystallization using alcohols to achieve the desired high purity grade required for downstream API synthesis. This method significantly reduces acidic waste generation compared to traditional phosphorus oxychloride routes.
Technical Specifications and Analytical Methods
Quality assurance is paramount for any chemical building block used in drug discovery. Our production standards adhere to strict analytical protocols to ensure batch-to-batch consistency. Below are the key technical parameters for our bulk supply:
| Parameter | Specification | Analytical Method |
|---|---|---|
| CAS Number | 38496-18-3 | N/A |
| Purity | ≥98.0% | HPLC |
| Identity | Conforms to Structure | NMR (1H, 13C) |
| Appearance | White to Off-White Powder | Visual |
| Documentation | Full COA Provided | QC Lab Report |
Every shipment includes a comprehensive COA verifying purity and identity, ensuring seamless integration into your manufacturing process. We utilize advanced chromatography and spectroscopy to validate each lot against international pharmacopoeia standards.
Factory-Direct Bulk Pricing Advantages and Supply Chain Stability
Partnering with NINGBO INNO PHARMCHEM CO.,LTD. provides significant cost advantages through our factory-direct model. We eliminate intermediary markups, offering competitive bulk price structures for large-scale production needs. Our supply chain is robust, designed to mitigate risks associated with raw material fluctuations and logistics disruptions common in the global market.
We maintain strategic inventory levels to guarantee stable supply for long-term contracts. Whether you require standard packaging or custom packaging solutions for specific handling requirements, our logistics team ensures timely delivery. As a reliable global manufacturer, we support scale-up from pilot batches to commercial production volumes without compromising quality.
Securing a reliable source for Dichloronicotinic acid is critical for maintaining your production schedule. NINGBO INNO PHARMCHEM CO.,LTD. is committed to delivering Pyridinecarboxylic acid derivative intermediates that meet the rigorous demands of the pharmaceutical industry.
For custom synthesis requirements or to validate our drop-in replacement data, consult with our process engineers directly.