| CAS No. | 2478-66-2 |
| Molecular Formula | C14H7BrClNO3 |
| Molecular Weight | 352.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 352.57 g/mol gives 1-Amino-3-bromo-2-chloro-4-hydroxyanthracene-9,10-dione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-Amino-3-bromo-2-chloro-4-hydroxyanthracene-9,10-dione (CAS 2478-66-2), molecular formula C14H7BrClNO3 and molecular weight 352.57 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C14H7BrClNO3, 1-Amino-3-bromo-2-chloro-4-hydroxyanthracene-9,10-dione contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 352.57 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), 1-Amino-3-bromo-2-chloro-4-hydroxyanthracene-9,10-dione 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 | C14H7BrClNO3 |
| Molecular Weight | 352.57 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 1 |