| CAS No. | 62672-13-3 |
| Molecular Formula | C18H27NO4 |
| Molecular Weight | 321.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 321.41 g/mol gives 7-(5-(3-Oxooct-1-en-1-yl)oxazol-4-yl)heptanoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
7-(5-(3-Oxooct-1-en-1-yl)oxazol-4-yl)heptanoic acid (CAS 62672-13-3), molecular formula C18H27NO4 and molecular weight 321.41 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 7-(5-(3-Oxooct-1-en-1-yl)oxazol-4-yl)heptanoic acid (C18H27NO4) 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 the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
CATO manufactures 7-(5-(3-Oxooct-1-en-1-yl)oxazol-4-yl)heptanoic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C18H27NO4 |
| Molecular Weight | 321.41 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Nitrogen Atoms | 1 |