(2R,3S,4R,5R)-2-Bromotetrahydro-2H-pyran-3,4,5-triyl triacetate CAS 39524-37-3
| CAS No. | 39524-37-3 |
| Molecular Formula | C11H15BrO7 |
| Molecular Weight | 339.14 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 (2R,3S,4R,5R)-2-Bromotetrahydro-2H-pyran-3,4,5-triyl triacetate.
CATO supplies (2R,3S,4R,5R)-2-Bromotetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 39524-37-3), a certified reference material (molecular formula C11H15BrO7, MW 339.14 g/mol) for analytical method development and quality control.
Structurally, (2R,3S,4R,5R)-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. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 339.14 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), (2R,3S,4R,5R)-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.) | 1968 |
| Halogen Content | Br-containing |
Recommended Standards
- 5-(1-Ethyl-1H-pyrazol-4-yl)-3-iodo-1H-pyrazolo[3,4-c]pyridine (CAS 1956379-98-8)
- (2S,3R,4R,5R)-2-Bromotetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 3068-30-2)
- 4-((4-Bromo-2-nitrophenyl)amino)-2-methoxyphenol (CAS 1447607-38-6)
- (2S,3R,4S,5S)-2-bromotetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 75247-31-3)
- 3-(Chloromethyl)phenol (CAS 60760-06-7)
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