methyl 3-bromocyclobutane-1-carboxylate CAS 4935-00-6
| CAS No. | 4935-00-6 |
| Molecular Formula | C6H9BrO2 |
| Molecular Weight | 193.04 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 methyl 3-bromocyclobutane-1-carboxylate.
methyl 3-bromocyclobutane-1-carboxylate (CAS 4935-00-6) is a high-purity analytical reference standard with the molecular formula C6H9BrO2 and a molecular weight of 193.04 g/mol.
Based on its molecular formula C6H9BrO2, methyl 3-bromocyclobutane-1-carboxylate 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 193.04 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.
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), methyl 3-bromocyclobutane-1-carboxylate 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 | C6H9BrO2 |
| Molecular Weight | 193.04 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) | 2.0 |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Br-containing |
Related methyl Standards
- Methyl 1-bromocyclobutane-1-carboxylate (CAS 51175-79-2)
- ethyl 3-bromocyclobutane-1-carboxylate (CAS 1934754-13-8)
- 1-Bromocyclobutane-1-carboxamide (CAS 51175-80-5)
- 3-bromocyclobutane-1,1-dicarboxylic acid (CAS 827032-78-0)
- Bromocyclobutane (CAS 4399-47-7)
- Benzyl 3-bromocyclobutane-1-carboxylate (CAS 2167366-61-0)
Recommended Standards
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- Ethyl -4-bromobut-2-enoate (CAS 6065-32-3)
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- 4-(6-(Hydroxymethyl)pyridin-2-yl)hexanenitrile (CAS 1956382-46-9)
- Semaglutide Impurity 140 (CAS CATO-C4X-2226140)
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