Ethyl 5-bromo-2,2-dimethylpentanoate CAS 77858-42-5
| CAS No. | 77858-42-5 |
| Molecular Formula | C9H17BrO2 |
| Molecular Weight | 237.13 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 Ethyl 5-bromo-2,2-dimethylpentanoate.
Ethyl 5-bromo-2,2-dimethylpentanoate (CAS 77858-42-5) is a high-purity analytical reference standard with the molecular formula C9H17BrO2 and a molecular weight of 237.13 g/mol.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, Ethyl 5-bromo-2,2-dimethylpentanoate is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 237.13 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), Ethyl 5-bromo-2,2-dimethylpentanoate 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 | C9H17BrO2 |
| Molecular Weight | 237.13 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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.) | 1979 |
| Halogen Content | Br-containing |
Related Ethyl Standards
- 2-(3-bromoÂpropylÂ)-2-propyl-dioxalane (CAS 101650-18-4)
- Ethyl 5-bromo-3,3-dimethylpentanoate (CAS 123469-83-0)
- 1-Bromo-2-(2-methoxyethoxy)cyclohexane (CAS 1250742-41-6)
- 1-Bromo-2-((1-methoxypropan-2-yl)oxy)cyclopentane (CAS 1339811-70-9)
- 4-(3-Bromo-2-methylpropoxy)tetrahydro-2h-pyran (CAS 1489272-34-5)
- 3-(3-Bromo-2,2-dimethylpropoxy)tetrahydrofuran (CAS 1496413-58-1)
- 4-(2-Bromo-1,1-dimethyl-ethyl)-2,2-dimethyl-[1,3]dioxolane (CAS 2228141-73-7)
- 6-Bromo-2,2-dimethyl-1,2-dihydronaphthalene (CAS 102568-23-0)
Recommended Standards
- Ethyl 2-bromoheptanoate (CAS 5333-88-0)
- Isopropyl 6-bromohexanoate (CAS 64135-07-5)
- 9-Bromononanoic acid (CAS 41059-02-3)
- Methyl 2-Bromooctanoate (CAS 5445-22-7)
- 3-(4-Bromo-2-oxobenzo[cd]indol-1(2H)-yl)piperidine-2,6-dione (CAS 2767588-37-2)
- 2-Bromo-5-methylanisole (CAS 95740-49-1)
- Lenvatinib Impurity 48 (CAS 13021-02-8)
- 7-Methyl-4-oxo-4h-chromene-2-carboxylic acid (CAS 67214-11-3)
- 1-benzyl-1H-1,2,3-triazole-5-carbaldehyde (CAS 139454-85-6)
- 5-Chloro-3-methylfuran-2(5H)-one (CAS 66510-25-6)
- 5-Bromo-2-(difluoromethoxy)nicotinic acid (CAS 2559710-44-8)
- 898763-91-2 Ethyl 3-{4-[(2,5-dihydro-1H-pyrrol-1-yl)methyl]benzoyl}benzoate DTXSID90643021 (CAS 898763-91-2)
- 5-Iodoquinoline (CAS 1006-50-4)
- Immunstimulating Peptide, human (CAS 94773-24-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com