(R)-2-(bromomethyl)-1,4-dioxane CAS 2287191-41-5
| CAS No. | 2287191-41-5 |
| Molecular Formula | C5H9BrO2 |
| Molecular Weight | 181.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 181.03 g/mol gives (R)-2-(bromomethyl)-1,4-dioxane distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(R)-2-(bromomethyl)-1,4-dioxane (CAS 2287191-41-5) is a high-purity analytical reference standard with the molecular formula C5H9BrO2 and a molecular weight of 181.03 g/mol.
Based on its molecular formula C5H9BrO2, (R)-2-(bromomethyl)-1,4-dioxane contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 181.03 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C5H9BrO2 |
| Molecular Weight | 181.03 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | Br-containing |
Related R Standards
- 2-Bromomethyl-1,4-dioxane (CAS 1339058-38-6)
- 3-(Bromomethyl)tetrahydrofuran-3-ol (CAS 1613726-22-9)
- Bromomethyl butyrate (CAS 186145-41-5)
- (S)-2-(bromomethyl)-1,4-dioxane (CAS 2287191-39-1)
- [3-(Bromomethyl)3-oxetanyl]methanol (CAS 22633-44-9)
- 2-(Bromomethyl)-1,3-dioxane (CAS 5695-63-6)
- 2-(Bromomethyl)-2-methyl-1,3-dioxolane (CAS 33278-96-5)
- 3-(bromomethyl)-3-methoxyoxetane (CAS 2306278-53-3)
Recommended Standards
- (4-bromo-1H-pyrazol-3-yl)methanol (CAS 959756-34-4)
- (R)-2-bromopentanoic acid (CAS 42990-12-5)
- 4-bromo-2-methyl-pyrazol-3-ol (CAS 1935996-83-0)
- 2-(2-bromoethyl)-1,3-dioxolane (CAS 18742-02-4)
- Methyl 2-isopropyl-1-oxa-5-thiaspiro[2.4]heptane-2-carboxylate 5,5-dioxide (CAS 1522722-39-9)
- 3-Ethoxy-5-phenyl-1H-1,2,4-triazole (CAS 62036-20-8)
- 1,1,2-Trichloropropene (CAS 21400-25-9)
- 5-Amino-2-(3-methyl-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-6-yl)phenol (CAS 1030553-91-3)
- (Rp)-(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl (4-methoxyphenyl) phenylphosphonate (CAS 1228361-87-2)
- (R)-2-(2-Bromophenyl)-4-methyl-4,5-dihydrooxazole (CAS 339316-16-4)
- Bupropion D9 (CAS 150988-80-0)
- n-[(2-aminophenyl)methyl]-N-methyl-1-benzofuran-2-carboxamide (CAS 1153887-12-7)
- 2-Chloro-3-ethynylpyrazine (CAS 1374115-59-9)
- (Leu31,Pro3?)-Neuropeptide Y (human, rat) trifluoroacetate salt (CAS 132699-73-1)
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