Nifuratel Impurity 4 CAS 1445990-09-9

Description

Compared with other compounds in its class, the molecular weight of 301.28 g/mol gives Nifuratel Impurity 4 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Nifuratel Impurity 4 (CAS 1445990-09-9) is a certified pharmaceutical impurity reference standard with the molecular formula C10H11N3O6S and a molecular weight of 301.28 g/mol.

Structurally, Nifuratel Impurity 4 (C10H11N3O6S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 301.28 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.

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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