8-(Benzyloxy)-2-bromo-1-hydroxy-3-methylanthracene-9,10-dione CAS 919110-85-3
| CAS No. | 919110-85-3 |
| Molecular Formula | C22H15BrO4 |
| Molecular Weight | 423.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 8-(Benzyloxy)-2-bromo-1-hydroxy-3-methylanthracene-9,10-dione.
8-(Benzyloxy)-2-bromo-1-hydroxy-3-methylanthracene-9,10-dione (CAS 919110-85-3), molecular formula C22H15BrO4 and molecular weight 423.26 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 8-(Benzyloxy)-2-bromo-1-hydroxy-3-methylanthracene-9,10-dione (C22H15BrO4) contains a flavonoid core, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 423.26 g/mol, it falls into the moderately-high-molecular-weight range. 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), 8-(Benzyloxy)-2-bromo-1-hydroxy-3-methylanthracene-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.
Physical & Chemical Properties
| Molecular Formula | C22H15BrO4 |
| Molecular Weight | 423.26 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
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Recommended Standards
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- 4-((3-Bromo-4-hydroxy-5-methoxybenzylidene)amino)-3-(2-fluorophenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 677738-00-0)
- 2-(3-(5-Bromopyrimidin-2-yl)benzyl)-6-(1-methyl-1H-pyrazol-4-yl)pyridazin-3(2H)-one (CAS 1100598-42-2)
- 2-(Chloromethyl)-5-(difluoromethyl)-3-methylpyridine-4-acetonitrile (CAS 1361751-86-1)
- 4-ethanesulfonamidobenzene-1-carboximidamide hydrochloride (CAS 1803583-35-8)
- IXIC-4F (CAS 2234274-64-5)
- 1-tert-butylcyclobutanecarbonyl chloride (CAS 2418021-13-1)
- Finerenone Impurity 72 (CAS CATO-C4X-288072)
- Ethyl 2-sulfobutanoate (CAS 1197230-06-0)
- 3-(Methylthio)pyrazin-2-amine (CAS 87444-50-6)
- 3,4-Dihydrodibenzo[a,j]acridine (CAS 106589-49-5)
- 9-methyl-3,9-diazabicyclo[3.3.1]nonane;dihydrochloride (CAS 3431-07-0)
- Semaglutide impurity 42 (CAS CATO-C4X-222642)
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