rel-2,2'-[(1R,2R)-1,2-Diamino-1,2-ethanediyl]bis[phenol] CAS 119386-71-9
| CAS No. | 119386-71-9 |
| Molecular Formula | C14H16N2O2 |
| Molecular Weight | 244.29 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.
rel-2,2'-[(1R,2R)-1,2-Diamino-1,2-ethanediyl]bis[phenol] (CAS 119386-71-9), molecular formula C14H16N2O2 and molecular weight 244.29 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C14H16N2O2, rel-2,2'-[(1R,2R)-1,2-Diamino-1,2-ethanediyl]bis[phenol] contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 244.29 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
As a certified reference material (CRM), rel-2,2'-[(1R,2R)-1,2-Diamino-1,2-ethanediyl]bis[phenol] 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.
Physical & Chemical Properties
| Molecular Formula | C14H16N2O2 |
| Molecular Weight | 244.29 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 2 |
Recommended Standards
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- Semaglutide impurity 75 (CAS CATO-C4X-222675)
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