So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Hummel, R. A.; Crummett, W. B. researched the compound: 2,3,5-Trichloropyridin-4-ol( cas:1970-40-7 ).Computed Properties of C5H2Cl3NO.They published the article 《Determination of purity of compounds by extraction-solubility》 about this compound( cas:1970-40-7 ) in Talanta. Keywords: purity assay organic standard; extraction solubility purity assay. We’ll tell you more about this compound (cas:1970-40-7).
Of 33 organic anal. standards, 21 were successfully assayed for purity by using the extraction-solubility method; 7 standards behaved nonideally, and 5 were not soluble in the useful range. The purity assay results for the 21 standards compared favorably with the results obtained by differential scanning calorimetry and other anal. methods. The method was useful for monitoring the purification of compounds
In addition to the literature in the link below, there is a lot of literature about this compound(2,3,5-Trichloropyridin-4-ol)Computed Properties of C5H2Cl3NO, illustrating the importance and wide applicability of this compound(1970-40-7).
Reference:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem