2-Bromo-1,1-dimethoxypropane CAS 33170-72-8
| CAS No. | 33170-72-8 |
| Molecular Formula | C5H11BrO2 |
| Molecular Weight | 183.04 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 2-Bromo-1,1-dimethoxypropane.
2-Bromo-1,1-dimethoxypropane (CAS 33170-72-8) is a high-purity analytical reference standard with the molecular formula C5H11BrO2 and a molecular weight of 183.04 g/mol.
Structurally, 2-Bromo-1,1-dimethoxypropane (C5H11BrO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 0.0, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 183.04 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 | C5H11BrO2 |
| Molecular Weight | 183.04 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) | 0.0 |
| CAS Registry Year (est.) | 1966 |
| Halogen Content | Br-containing |
Related Bromo Standards
- 1-Bromo-2,2-dimethoxypropane (CAS 126-38-5)
- 1-bromo-2,3-dimethoxypropane (CAS 90321-40-7)
- 2-Bromo-1,3-dimethoxypropane (CAS 90321-39-4)
- 1-Bromo-2-(2-methoxyethoxy)ethane 2-(2-Methoxyethoxy)ethyl Bromide 54149-17-6 B4736 Ethylene Glycol 2-Bromoethyl Methyl Ether (CAS 54149-17-6)
- 3-bromo-6-fluoro-pyridazine (CAS 1353854-35-9)
- 4-bromo-3-fluoro-1-methyl-1H-pyrazole (CAS 1785074-93-2)
- 3-bromo-4-fluoro-1-methyl-1H-pyrazole (CAS 2090743-53-4)
- 1-Bromo-2-fluorohexane (CAS 1871-74-5)
Recommended Standards
- 2,2-Dichloro-1-methylcyclopropane-1-carbohydrazide (CAS 351982-73-5)
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- 5-chloropyrazine-2-carbonyl chloride (CAS 88625-23-4)
- 5-Methyl-2-(methylthio)pyridine-3-boronic acid (CAS 2121513-52-6)
- 2-Methoxy-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde (CAS 1356638-77-1)
- Methyl (R)-4-(1-aminoethyl)benzoate hydrochloride (CAS 1097196-96-7)
- 1-Chloro-2-methyloctane (CAS 121246-22-8)
- 4-Benzyl-2-(chloromethyl)-6-methylmorpholine (CAS 40987-50-6)
- 3-(3,4-Dimethoxyphenyl)-6-fluoro-4-methylcoumarin (CAS 527751-34-4)
- (1E)-3-(4-chloro-3,5-dimethyl-1H-pyrazol-1-yl)-N'-hydroxypropanimidamide (CAS 1006336-93-1)
- 4-Methoxy-2-oxobicyclo[2.2.2]octane-1-carboxylic acid (CAS 81687-89-0)
- 1-Methyl-1,4,5,6,7,8-hexahydrocyclohepta[d]imidazole-2-carbaldehyde (CAS 1706449-28-6)
- Tert-butyl 3-(2-aminoethyl)thiomorpholine-4-carboxylate (CAS 947337-32-8)
- Biotinyl-CBP501 Affinity Peptide trifluoroacetate salt (CAS 2022956-39-2)
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