Description

2-Chloro-4-methyl-6,7-dihydro-5H-cyclopenta[b]pyridine (CAS No. 267242-99-9) is a high-purity heterocyclic compound with the molecular formula C₉H₁₀ClN. This specialized chemical features a cyclopenta[b]pyridine core structure substituted with chloro and methyl functional groups at the 2- and 4-positions, respectively. With a molecular weight of 167.63 g/mol, this compound is supplied as a research-grade material with ≥95% purity (HPLC) and is ideal for pharmaceutical intermediates, organic synthesis, and medicinal chemistry applications. The product is characterized by ¹H NMR, ¹³C NMR, and mass spectrometry for quality assurance. Store in a cool, dry place under inert atmosphere to maintain stability.

Properties

• CAS Number: 267242-99-9
• Complexity: 148
• IUPAC Name: 2-chloro-4-methyl-6,7-dihydro-5H-cyclopenta[b]pyridine
• InChI: InChI=1S/C9H10ClN/c1-6-5-9(10)11-8-4-2-3-7(6)8/h5H,2-4H2,1H3
• InChI Key: JOJFZYVLQKMUQD-UHFFFAOYSA-N
• Exact Mass: 167.0501770
• Molecular Formula: C9H10ClN
• Molecular Weight: 167.63
• SMILES: CC1=CC(=NC2=C1CCC2)Cl
• Topological: 12.9
• Monoisotopic Mass: 167.0501770
• Synonyms: 2-Chloro-4-methyl-6,7-dihydro-5H-cyclopenta[b]pyridine, 267242-99-9, 2-chloro-4-methyl-5H,6H,7H-cyclopenta[b]pyridine, MFCD08056605, 2-Chloro-6,7-dihydro-4-methyl-5H-cyclopenta[b]pyridine, 5H-Cyclopenta[b]pyridine, 2-chloro-6,7-dihydro-4-methyl-, SCHEMBL4928360, DTXSID80594699, AKOS005071867, BE-0729, SY322720, CS-0450534, W18956

Application

This compound serves as a versatile building block in the synthesis of pharmacologically active molecules, particularly in the development of kinase inhibitors and CNS-targeting agents. Researchers utilize it as a key intermediate for constructing fused pyridine derivatives with potential biological activity. The chloro and methyl substitutions allow for further functionalization via cross-coupling reactions or nucleophilic substitutions.

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