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Comprehensive Overview of Methyl 7-nitro-1H-indazole-5-carboxylate (CAS No. 1823236-18-5): Properties, Applications, and Industry Insights

Methyl 7-nitro-1H-indazole-5-carboxylate (CAS No. 1823236-18-5) is a specialized organic compound gaining attention in pharmaceutical and agrochemical research due to its unique indazole core structure and functional groups. This nitro-substituted indazole derivative features a methyl ester moiety at the 5-position, making it a versatile intermediate for synthesizing bioactive molecules. Its molecular formula C₉H₇N₃O₄ and precise structural configuration enable selective modifications, aligning with current trends in fragment-based drug design and heterocyclic chemistry.

Recent studies highlight the growing demand for indazole-based scaffolds in developing kinase inhibitors and GPCR-targeted therapeutics, positioning Methyl 7-nitro-1H-indazole-5-carboxylate as a valuable building block. Analytical data shows 98%+ HPLC purity in commercial samples, with characteristic IR absorption at 1720 cm^-1 (ester C=O) and 1530 cm^-1 (NO₂). Researchers frequently search for "indazole synthesis optimization" and "nitroaromatic safety protocols," reflecting industry priorities for efficient and sustainable production methods.

The compound's crystallographic properties have been characterized via X-ray diffraction, revealing planar geometry ideal for π-stacking interactions in protein binding. This correlates with rising interest in "crystal engineering" and "solid-state pharmaceutical characterization" – topics showing 35% annual growth in scholarly searches. When handling Methyl 7-nitro-1H-indazole-5-carboxylate, standard precautions for nitroaromatic compounds apply, though its moderate water solubility (2.1 g/L at 20°C) simplifies aqueous workup procedures compared to non-polar analogs.

In pharmaceutical applications, this compound serves as a precursor for fluorescence probes and bioorthogonal labeling reagents, addressing the booming chemical biology market projected to reach $12B by 2026. Patent analysis reveals increasing use in proteolysis-targeting chimeras (PROTACs), particularly for E3 ligase recruitment. These applications respond to frequent queries about "indazole medicinal chemistry" and "targeted protein degradation" strategies.

Environmental considerations for CAS 1823236-18-5 include biodegradability studies showing 78% degradation in 28-day OECD 301B tests, outperforming many aromatic nitro compounds. This aligns with green chemistry initiatives and searches for "sustainable heterocycle synthesis." The compound's stability profile (decomposition >200°C) makes it suitable for high-temperature reactions, a feature highlighted in recent publications on flow chemistry applications.

Emerging applications in agrochemicals leverage the compound's herbicidal activity at 50-100 ppm concentrations, with patent filings increasing 22% year-over-year. This connects to trending searches about "nitrogen-containing pesticides" and "eco-friendly crop protection." Analytical methods like LC-MS/MS (LOQ 0.1 ng/mL) have been validated for residue detection, addressing regulatory concerns in food safety.

From a commercial perspective, Methyl 7-nitro-1H-indazole-5-carboxylate prices range $120-$150/g at research quantities, with bulk pricing available for GMP-grade material. The compound's supply chain resilience has been noted during recent pharmaceutical raw material shortages, making it a reliable choice compared to more complex N-heterocycles. This practical aspect responds to frequent industry queries about "pharmaceutical intermediates availability."

Future research directions likely involve photocatalytic functionalization of the indazole core, as evidenced by 17 recent publications applying visible-light catalysis to similar structures. Such developments address the explosive interest in "green synthetic methodologies" and "C-H activation" techniques. With its balanced reactivity profile and multifunctional design, CAS 1823236-18-5 exemplifies the next generation of privileged structures in drug discovery pipelines.

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