1,2-Distearoyl-sn-glycero-3-phosphatidic acid · disodium salt CAS 105405-51-4

Description

The occurrence of 1,2-Distearoyl-sn-glycero-3-phosphatidic acid · disodium salt is closely related to a phosphate ester group, a carboxylic acid group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

1,2-Distearoyl-sn-glycero-3-phosphatidic acid · disodium salt (CAS 105405-51-4), molecular formula C39H75O8PNa and molecular weight 725.99 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 1,2-Distearoyl-sn-glycero-3-phosphatidic acid · disodium salt (C39H75O8PNa) contains a phosphate ester group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 2.5, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 725.99 g/mol, it falls into the high-molecular-weight range.

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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