7,8-Dihydro-5,10,15,20-tetraphenyl-21H,23H-porphine-7,8-diol CAS 850191-81-0

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 7,8-Dihydro-5,10,15,20-tetraphenyl-21H,23H-porphine-7,8-diol.

7,8-Dihydro-5,10,15,20-tetraphenyl-21H,23H-porphine-7,8-diol (CAS 850191-81-0), molecular formula C44H32N4O2 and molecular weight 648.75 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 7,8-Dihydro-5,10,15,20-tetraphenyl-21H,23H-porphine-7,8-diol (C44H32N4O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 31.0, corresponding to approximately 31 ring(s) or double-bond equivalent(s). With a molecular weight of 648.75 g/mol, it falls into the high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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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