1,4,5,8-Tetraamino-2-bromo-7-(4-ethylphenoxy)anthracene-9,10-dione CAS 88603-10-5
| CAS No. | 88603-10-5 |
| Molecular Formula | C22H19BrN4O3 |
| Molecular Weight | 467.32 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.
1,4,5,8-Tetraamino-2-bromo-7-(4-ethylphenoxy)anthracene-9,10-dione (CAS 88603-10-5) is a high-purity analytical reference standard with the molecular formula C22H19BrN4O3 and a molecular weight of 467.32 g/mol.
Based on its molecular formula C22H19BrN4O3, 1,4,5,8-Tetraamino-2-bromo-7-(4-ethylphenoxy)anthracene-9,10-dione contains a steroid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 467.32 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).
As a certified reference material (CRM), 1,4,5,8-Tetraamino-2-bromo-7-(4-ethylphenoxy)anthracene-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 | C22H19BrN4O3 |
| Molecular Weight | 467.32 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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; 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.) | 1982 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
Related Tetraamino Standards
- 1,4,5,8-Tetraamino-2-bromo-6-(2-ethylphenoxy)anthracene-9,10-dione (CAS 88601-98-3)
- 1,4,5,8-Tetraamino-2-bromo-6-(3-ethylphenoxy)anthracene-9,10-dione (CAS 88601-99-4)
- 1,4,5,8-Tetraamino-2-bromo-6-(4-ethylphenoxy)anthracene-9,10-dione (CAS 88602-00-0)
- 1,4,5,8-Tetraamino-2-bromo-6-phenethoxyanthracene-9,10-dione (CAS 88602-97-5)
- 1,4,5,8-Tetraamino-2-bromo-7-phenethoxyanthracene-9,10-dione (CAS 88603-43-4)
- 1,4,5,8-Tetraamino-2,7-bis(hexyloxy)anthracene-9,10-dione (CAS 88601-66-5)
- 1,4,5,8-Tetraamino-2,6-bis(m-tolyloxy)anthracene-9,10-dione (CAS 83424-42-4)
- 1,4,5,8-Tetraamino-2,7-bis(benzyloxy)anthracene-9,10-dione (CAS 88601-85-8)
Recommended Standards
- N-(2,4-dichloro-5-isopropoxyphenyl)-3-(2-nitrophenoxy)thiophene-2-carboxamide (CAS 339015-21-3)
- N-(2,4-dichloro-5-isopropoxyphenyl)-3-(4-nitrophenoxy)thiophene-2-carboxamide (CAS 339015-26-8)
- (2-((2,6-Dichlorobenzyl)thio)-1-methyl-1H-imidazol-5-yl)methyl (4-nitrophenyl)carbamate (CAS 338422-46-1)
- 1-(2,4-Dichlorobenzyl)-N-((4-methoxyphenyl)sulfonyl)-2-oxo-1,2-dihydropyridine-3-carboxamide (CAS 860787-54-8)
- (2S)-2-Amino-N-methyl-N-((1-methylpiperidin-3-yl)methyl)propanamide (CAS 1354033-23-0)
- N,4'-dimethyl-3,4,5,6-tetrahydro-[2,3'-bipyridin]-6'-amine (CAS 1352516-57-4)
- 2'-Hydroxyacetophenone semicarbazone (CAS 22107-30-8)
- 3-(2-Chloro-4-methylphenoxy)pyrrolidinehydrochloride (CAS 1219977-28-2)
- tert-butyl 3-carbamoyl-3-phenylpyrrolidine-1-carboxylate (CAS 1909327-64-5)
- N,N'-DIboc-2-amino-6-fluorobenzonitrile (CAS 1313712-57-0)
- Osteostatin (1-5) (human, bovine, dog, horse, mouse, rabbit, rat) (CAS 138949-73-2)
- tert-Butyl (1-(4-bromophenyl)-2,2,2-trifluoroethyl)carbamate (CAS 1129541-06-5)
- 5-Nitro-2-hydroxypyrimidine (CAS 3264-10-6)
- Semaglutide impurity 289 (CAS CATO-C4X-2226289)
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