| CAS No. | 188751-57-7 |
| Molecular Formula | C23H23NO4 |
| Molecular Weight | 377.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
2-({[(9h-fluoren-9-yl)methoxy]carbonyl}amino)bicyclo[2.2.1]heptane-2-carboxylic acid (CAS 188751-57-7), molecular formula C23H23NO4 and molecular weight 377.43 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-({[(9h-fluoren-9-yl)methoxy]carbonyl}amino)bicyclo[2.2.1]heptane-2-carboxylic acid (C23H23NO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 377.43 g/mol, it falls into the moderately-high-molecular-weight range. 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.
CATO manufactures 2-({[(9h-fluoren-9-yl)methoxy]carbonyl}amino)bicyclo[2.2.1]heptane-2-carboxylic 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 | C23H23NO4 |
| Molecular Weight | 377.43 g/mol |
| Appearance | Pale yellow to 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2010 |
| Nitrogen Atoms | 1 |