1,1',1''-(Benzene-1,3,5-triyl)tris(2-bromoethanone) CAS 38460-56-9
| CAS No. | 38460-56-9 |
| Molecular Formula | C12H9Br3O3 |
| Molecular Weight | 440.91 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
1,1',1''-(Benzene-1,3,5-triyl)tris(2-bromoethanone) (CAS 38460-56-9) is a high-purity analytical reference standard with the molecular formula C12H9Br3O3 and a molecular weight of 440.91 g/mol.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system, 1,1',1''-(Benzene-1,3,5-triyl)tris(2-bromoethanone) is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 440.91 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 1,1',1''-(Benzene-1,3,5-triyl)tris(2-bromoethanone) 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 | C12H9Br3O3 |
| Molecular Weight | 440.91 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Halogen Content | Br-containing |
Related Benzene Standards
- Benzene-1,3,5-triyltris((4-fluorophenyl)methanone) (CAS 267668-44-0)
- 4,4',4''-(Benzene-1,3,5-triyltris(oxy))tribenzonitrile (CAS 382137-86-2)
- (Benzene-1,2,4,5-tetrayltetrakis(methylene))tetraphosphonic acid (CAS 69303-28-2)
- 4,4',4''-(Benzene-1,3,5-triyltris(ethyne-2,1-diyl))triphenol (CAS 1019209-35-8)
- 5,5',5''-(Benzene-1,3,5-triyl)tris(thiophene-2-carboxylic acid) (CAS 1442006-75-8)
- 2,2',2''-(Benzene-1,3,5-triyltris(ethyne-2,1-diyl))trianiline (CAS 1027340-24-4)
- 4,4',4''-(Benzene-1,3,5-triyltris(ethyne-2,1-diyl))trianiline (CAS 326002-91-9)
- 2,2',2''-(Benzene-1,3,5-triyl)tris(3-phenylacrylonitrile) (CAS 351435-98-8)
Recommended Standards
- Glipizide Impurity 34 (CAS 14511-59-2)
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- (R)-6-bromo-3,3-dimethyl-2,3-dihydro-1H-inden-1-amine (CAS 1567971-35-0)
- Pyridine (3-oxo-1,3-dihydroiSobenzofuran-1,1-diyl)bis(4,1-phenylene) bis(phosphate) (CAS 267240-23-3)
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- 5-(3-Chloro-4-methoxyphenyl)-N-(2,4-dimethylphenyl)furan-2-carboxamide (CAS 853333-10-5)
- (1R,3S)-3-[[(1,1-Dimethylethoxy)carbonyl]amino]-2,2-dimethylcyclobutanecarboxylic acid (CAS 188918-39-0)
- D-Gln24-Tirzepatide (CAS CATO-CPTD788910)
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