(2S,3R,4S,5S)-2-bromotetrahydro-2H-pyran-3,4,5-triyl triacetate CAS 75247-31-3
| CAS No. | 75247-31-3 |
| Molecular Formula | C11H15BrO7 |
| Molecular Weight | 339.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 339.14 g/mol gives (2S,3R,4S,5S)-2-bromotetrahydro-2H-pyran-3,4,5-triyl triacetate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies (2S,3R,4S,5S)-2-bromotetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 75247-31-3), a certified reference material (molecular formula C11H15BrO7, MW 339.14 g/mol) for analytical method development and quality control.
(2S,3R,4S,5S)-2-bromotetrahydro-2H-pyran-3,4,5-triyl triacetate (C11H15BrO7) contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (2S,3R,4S,5S)-2-bromotetrahydro-2H-pyran-3,4,5-triyl triacetate 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 | C11H15BrO7 |
| Molecular Weight | 339.14 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | Br-containing |
Recommended Standards
- (2S,3R,4R,5R)-2-Bromotetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 3068-30-2)
- (2S,3S,4R,5R)-2-Bromotetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 3068-29-9)
- (2R,3S,4R,5R)-2-Bromotetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 39524-37-3)
- 2-(4-Bromo-2-formylphenoxy)-N-(3-methylisoxazol-5-yl)acetamide (CAS 923876-32-8)
- 1,3,6,8-Tetrabromopyrene-4,5,9,10-tetraone (CAS 2379290-24-9)
- 1-(2-Methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethanone (CAS 638214-65-0)
- (2R,3R,4S,5S,6R)-6-methyltetrahydro-2H-pyran-2,3,4,5-tetrayl tetraacetate (CAS 34371-40-9)
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