3,4,5-Tris(dodecyloxy)benzoic acid CAS 117241-31-3
| CAS No. | 117241-31-3 |
| Molecular Formula | C43H78O5 |
| Molecular Weight | 675.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
3,4,5-Tris(dodecyloxy)benzoic acid (CAS 117241-31-3) is a high-purity analytical reference standard with the molecular formula C43H78O5 and a molecular weight of 675.08 g/mol.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system, 3,4,5-Tris(dodecyloxy)benzoic acid is typically off-white to pale yellow amorphous powder. Its solid-state physicochemical attributes — including a molecular weight of 675.08 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).
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
| Molecular Formula | C43H78O5 |
| Molecular Weight | 675.08 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
Related Tris Standards
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Recommended Standards
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