3-(4-Bromophenyl)-3-methoxyoxetane CAS 1838654-25-3
| CAS No. | 1838654-25-3 |
| Molecular Formula | C10H11BrO2 |
| Molecular Weight | 243.10 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 3-(4-Bromophenyl)-3-methoxyoxetane.
3-(4-Bromophenyl)-3-methoxyoxetane (CAS 1838654-25-3), molecular formula C10H11BrO2 and molecular weight 243.10 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 3-(4-Bromophenyl)-3-methoxyoxetane (C10H11BrO2) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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.
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 | C10H11BrO2 |
| Molecular Weight | 243.10 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Br-containing |
Related Bromophenyl Standards
- (2S)-3-(4-Bromophenyl)-2-methylpropanoic acid (CAS 1040274-42-7)
- 3-(3-Bromophenyl)propanehydrazide (CAS 1097788-27-6)
- 2-(2-Bromophenyl)-2-methylpropanoic acid (CAS 113948-00-8)
- Methyl 2-(2-bromophenyl)propanoate (CAS 115615-34-4)
- 3-(3-Bromophenyl)-2-methylpropanoic acid (CAS 1183524-10-8)
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Recommended Standards
- 8-Bromo-5-methoxy-1,2,3,4-tetrahydro-1,6-naphthyridine (CAS 1820711-91-8)
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- 5-Bromo-N,N,4-trimethylpicolinamide (CAS 1809161-39-4)
- 4-Bromo-2-methylbenzyl acetate (CAS 1864131-43-0)
- (R)-1-(4-Isobutylphenyl)ethan-1-amine (CAS 1212142-57-8)
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- N-(1-Ethylpiperidin-3-yl)benzo[g]quinolin-4-amine (CAS 127136-49-6)
- 9-([1,1'-Biphenyl]-3-yl)-9'-([1,1':4',1''-terphenyl]-4-yl)-9H,9'H-3,3'-bicarbazole (CAS 2101561-65-1)
- (2S,5R)-1-Benzyl-2,5-dimethylpiperazine Dihydrochloride (CAS 260254-80-6)
- Zirconium(IV) hexafluoroacetylacetonate (CAS 19530-02-0)
- Cefuroxime Sodium Impurity 14 (CAS 69384-96-9)
- Ethyl 3-(4,5-dimethyl-4H-1,2,4-triazol-3-yl)propanoate (CAS 2022606-10-4)
- [S(R)]-N-[(S)-[2-(Dicyclohexylphosphino)phenyl]phenylmethyl]-2-methyl-2-propanesulfinamide (CAS 1595319-99-5)
- Neuropeptide Y (porcine) trifluoroacetate salt (CAS 83589-17-7)
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