Cyclohexane-1,4-diylbis(methylene) bis(3-methylbutanoate) CAS 377085-57-9
| CAS No. | 377085-57-9 |
| Molecular Formula | C18H32O4 |
| Molecular Weight | 312.44 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.
Cyclohexane-1,4-diylbis(methylene) bis(3-methylbutanoate) (CAS 377085-57-9), molecular formula C18H32O4 and molecular weight 312.44 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of Cyclohexane-1,4-diylbis(methylene) bis(3-methylbutanoate) (C18H32O4) is characterized by a carboxylic acid 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).
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 | C18H32O4 |
| Molecular Weight | 312.44 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2025 |
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