Methyl (1r,3r)-3-(bromomethyl)-3-hydroxycyclobutane-1-carboxylate CAS 578715-76-1
| CAS No. | 578715-76-1 |
| Molecular Formula | C7H11BrO3 |
| Molecular Weight | 223.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Methyl (1r,3r)-3-(bromomethyl)-3-hydroxycyclobutane-1-carboxylate is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies Methyl (1r,3r)-3-(bromomethyl)-3-hydroxycyclobutane-1-carboxylate (CAS 578715-76-1), a certified reference material (molecular formula C7H11BrO3, MW 223.06 g/mol) for analytical method development and quality control.
Structurally, Methyl (1r,3r)-3-(bromomethyl)-3-hydroxycyclobutane-1-carboxylate (C7H11BrO3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 223.06 g/mol, it falls into the medium-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.
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 | C7H11BrO3 |
| Molecular Weight | 223.06 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | Br-containing |
Recommended Standards
- Ethyl 5-Bromo-2-oxopentanoate (CAS 57224-29-0)
- Methyl (1s,3s)-3-(bromomethyl)-3-hydroxycyclobutane-1-carboxylate (CAS 578715-77-2)
- Ethyl 2-bromo-3-oxopentanoate (CAS 87943-99-5)
- Methyl 3-bromo-4-methyl-2-oxopentanoate (CAS 57455-14-8)
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