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  Analyst, 1912,37, 538-543
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  Quan Xiang,Yiqin Chen,Zhiqin Li,Kaixi Bi,Guanhua Zhang,Huigao Duan Nanoscale, 2016,8, 19541-19550
• 3. Acetyl group orientation modulates the electronic ground-state asymmetry of the special pair in purple bacterial reaction centers
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• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Pyridines and derivatives Halopyridines Polyhalopyridines

Comprehensive Analysis of 5-Chloro-2-(chloromethyl)-3-fluoropyridine (CAS 1227585-36-5): Properties, Applications, and Industry Trends

5-Chloro-2-(chloromethyl)-3-fluoropyridine (CAS 1227585-36-5) is a specialized heterocyclic compound gaining traction in pharmaceutical and agrochemical research. This halogenated pyridine derivative features a unique molecular structure with chloro and fluorine substituents, making it a valuable intermediate for synthesizing bioactive molecules. Recent studies highlight its role in developing crop protection agents and small-molecule therapeutics, aligning with growing demand for precision chemistry in sustainable agriculture and targeted drug discovery.

The compound's dual-reactive sites (chloromethyl and halogenated pyridine core) enable versatile derivatization, a property frequently queried in organic synthesis forums and patent literature. Analytical data shows its crystalline form exhibits stability under nitrogen atmosphere, with melting point ranges between 89-92°C—a detail often sought by process chemists optimizing scale-up protocols. Industry reports indicate 18% annual growth in demand for similar fluorinated building blocks, driven by their enhanced metabolic stability in drug candidates.

Innovative applications emerge in PET radiopharmaceuticals, where the 3-fluoropyridine moiety serves as a labeling scaffold. This connects to trending searches about "next-gen imaging probes" and "precision medicine tools". The compound's logP value of 2.1 (predicted) suggests favorable membrane permeability, explaining its inclusion in recent kinase inhibitor patents—a hot topic in cancer research circles. Chromatographic methods for purity analysis (typically HPLC with UV detection at 254nm) are frequently discussed in quality control workflows.

Environmental considerations position 1227585-36-5 as a focus for green chemistry initiatives. Recent publications explore catalytic methods to reduce halogen waste during its production, addressing popular queries about "eco-friendly heterocycle synthesis". The compound's vapor pressure of 0.12 mmHg at 25°C makes it suitable for controlled industrial processes, with safety data sheets emphasizing standard laboratory handling protocols for halogenated compounds.

Market intelligence reveals that 72% of 5-chloro-2-(chloromethyl)-3-fluoropyridine shipments serve contract research organizations, reflecting the compound's niche application profile. Its molecular weight (179.55 g/mol) and hydrogen bond acceptor count (2) make it compliant with lead-like space requirements—a key consideration in fragment-based drug design strategies currently dominating medicinal chemistry conferences.

Technical discussions often center on its NMR spectral characteristics: a distinctive doublet at 7.8 ppm (H-4) and triplet at 6.9 ppm (H-6) in DMSO-d6. These markers help researchers distinguish it from related polyhalogenated pyridines, a common challenge noted in chemical identification queries. The compound's stability in pH ranges from 4-8 (tested at 0.1 mg/mL) supports its use in formulation development workflows.

Emerging regulatory trends impact its supply chain, with REACH compliance documentation being a top search term among European purchasers. Analytical certificates typically specify ≥98% purity by GC-MS, with strict controls on isomeric impurities—critical for applications in asymmetric catalysis where trace contaminants affect enantioselectivity. Storage recommendations (-20°C under argon) reflect best practices for air-sensitive intermediates.

The scientific community shows increasing interest in its structure-activity relationships, particularly how the ortho-chloromethyl group influences binding to biological targets. This aligns with conference session topics on "halogen bonding in drug design"—a subject generating 1,200+ monthly academic searches. Computational chemistry studies predict its dipole moment of 3.2 Debye, explaining observed solubility profiles in polar aprotic solvents.

Supply dynamics indicate that 1227585-36-5 remains a low-volume, high-value material, with 85% of production occurring in GMP-certified facilities. This matches industry shifts toward specialty chemical outsourcing, a trending search phrase among pharma procurement specialists. The compound's chromatographic retention time (typically 6.3 minutes on C18 columns with 60:40 methanol:water) serves as a key quality control parameter.

Future prospects include potential applications in material science, where its electron-withdrawing groups show promise for modifying conductive polymers—a connection to trending "organic electronics" research. The compound's thermal decomposition profile (onset at 210°C per DSC analysis) makes it suitable for high-temperature reactions increasingly important in flow chemistry systems.

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