| CAS No. | 196941-79-4 |
| Molecular Formula | C9H10O4 |
| Molecular Weight | 182.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 182.17 g/mol gives (1R,4S)-bicyclo[2.2.1]Hept-5-ene-2,3-dicarboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(1R,4S)-bicyclo[2.2.1]Hept-5-ene-2,3-dicarboxylic acid (CAS 196941-79-4) is a high-purity analytical reference standard with the molecular formula C9H10O4 and a molecular weight of 182.17 g/mol.
(1R,4S)-bicyclo[2.2.1]Hept-5-ene-2,3-dicarboxylic acid (C9H10O4) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
As a certified reference material (CRM), (1R,4S)-bicyclo[2.2.1]Hept-5-ene-2,3-dicarboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
| Molecular Formula | C9H10O4 |
| Molecular Weight | 182.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2013 |