[(2R,3R,4S,5R,6R)-4,5-diacetoxy-6-bromo-2-(hydroxymethyl)tetrahydropyran-3-yl] acetate CAS 13032-61-6
| CAS No. | 13032-61-6 |
| Molecular Formula | C12H17BrO8 |
| Molecular Weight | 369.16 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,3R,4S,5R,6R)-4,5-diacetoxy-6-bromo-2-(hydroxymethyl)tetrahydropyran-3-yl] acetate.
[(2R,3R,4S,5R,6R)-4,5-diacetoxy-6-bromo-2-(hydroxymethyl)tetrahydropyran-3-yl] acetate (CAS 13032-61-6) is a high-purity analytical reference standard with the molecular formula C12H17BrO8 and a molecular weight of 369.16 g/mol.
[(2R,3R,4S,5R,6R)-4,5-diacetoxy-6-bromo-2-(hydroxymethyl)tetrahydropyran-3-yl] acetate (C12H17BrO8) 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.
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.
CATO manufactures [(2R,3R,4S,5R,6R)-4,5-diacetoxy-6-bromo-2-(hydroxymethyl)tetrahydropyran-3-yl] acetate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H17BrO8 |
| Molecular Weight | 369.16 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, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1960 |
| Halogen Content | Br-containing |
Recommended Standards
- rel-(2R,5R)-5-(5-Bromo-2-fluorophenyl)-2,5-dimethyl-2-(trifluoromethyl)-5,6-dihydro-2H-1,4-oxazin-3-amine (CAS 2641065-10-1)
- 4,4'-(2,2-Dichloroethene-1,1-diyl)bis(2-nitroaniline) (CAS 134292-37-8)
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Why CATO?
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