5-chloro-3-nitro-1H-pyrrolo[3,2-b]pyridine CAS 1116136-63-0

Description

The occurrence of 5-chloro-3-nitro-1H-pyrrolo[3,2-b]pyridine is closely related to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

5-chloro-3-nitro-1H-pyrrolo[3,2-b]pyridine (CAS 1116136-63-0), molecular formula C7H12ClN3O2 and molecular weight 205.64 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 5-chloro-3-nitro-1H-pyrrolo[3,2-b]pyridine (C7H12ClN3O2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 205.64 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

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