Sodium 3-(phenyldiazenyl)-[1,1'-biphenyl]-4-olate CAS 63467-44-7
| CAS No. | 63467-44-7 |
| Molecular Formula | C18H13N2O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
Sodium 3-(phenyldiazenyl)-[1,1'-biphenyl]-4-olate (CAS 63467-44-7), molecular formula C18H13N2ONa and molecular weight 296.30 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of Sodium 3-(phenyldiazenyl)-[1,1'-biphenyl]-4-olate (C18H13N2ONa) is characterized by a steroid core, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
Physical & Chemical Properties
| Molecular Formula | C18H13N2O Na |
| Molecular Weight | 296.30 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 1-(2-Methoxyethyl)-5-oxo-2-(m-tolyl)pyrrolidine-3-carboxylic acid (CAS 887361-20-8)
- Benzene, 1-(hexyloxy)-4-methyl-, (CAS 57792-40-2)
- 3-Methyl-1-propyl-1H-pyrazol-5(4H)-one (CAS 42098-18-0)
- Special crown ether (CAS 467435-58-1)
- (2E)-2-[2-(4-Fluorophenyl)hydrazin-1-ylidene]-3-oxo-3-(pyridin-4-yl)propanal (CAS 338414-00-9)
- 2-Bromo-3-nitrobenzyl acetate (CAS 82617-50-3)
- Tert-butyl (3S,4S)-3-amino-4-((5-fluoropyridin-3-yl)oxy)pyrrolidine-1-carboxylate (CAS 1951371-86-0)
- 4-Carboxy-2-chlorophenylboronic Acid (CAS 851335-09-6)
- 3-(3-amino-1H-1,2,4-triazol-1-yl)propanoic acid,HCl (CAS 1431963-70-0)
- Gastric Inhibitory Polypeptide (3-42) (human) trifluoroacetate salt (CAS 1802086-25-4)
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