3-Bromo-2,2-dimethylpropanoic acid CAS 2843-17-6
| CAS No. | 2843-17-6 |
| Molecular Formula | C5H9BrO2 |
| Molecular Weight | 181.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-Bromo-2,2-dimethylpropanoic acid 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.
3-Bromo-2,2-dimethylpropanoic acid (CAS 2843-17-6), molecular formula C5H9BrO2 and molecular weight 181.03 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5H9BrO2, 3-Bromo-2,2-dimethylpropanoic acid 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 181.03 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.
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), 3-Bromo-2,2-dimethylpropanoic acid 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 | C5H9BrO2 |
| Molecular Weight | 181.03 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) | 1.0 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Br-containing |
Related Bromo Standards
- 3-bromo-5-ethyl-1,2,4-oxadiazole (CAS 1256643-25-0)
- 3-bromo-4-fluorothiophene (CAS 133360-02-8)
- (5-bromo-1H-imidazol-2-yl)methanol (CAS 1804129-02-9)
- 4-bromo-2-methyl-pyrazol-3-ol (CAS 1935996-83-0)
- (4-bromo-1H-pyrazol-3-yl)methanol (CAS 959756-34-4)
- (S)-2-Bromo-3-methylbutanoic acid (CAS 26782-75-2)
- 2-Bromo-2-methylbutanoic acid (CAS 41242-50-6)
- 2-Bromo-3-fluorothiophene (CAS 32431-78-0)
Recommended Standards
- 3-(bromomethyl)-3-methoxyoxetane (CAS 2306278-53-3)
- 3-Bromo-2-fluorothiophene (CAS 71176-17-5)
- 3-(2-Bromoethoxy)oxetane (CAS 2092628-73-2)
- 3-bromo-3-methylbutanoic acid (CAS 5798-88-9)
- 2-Bromo-N-(4-(dimethylamino)phenyl)benzamide (CAS 304672-44-4)
- 4-(3-Chlorophenyl)picolinaldehyde (CAS 61704-36-7)
- Ethyl 2-(6-chloro-5-(trifluoromethyl)pyridin-2-yl)acetate (CAS 1373253-50-9)
- 4-(3-Fluoro-4-methylphenyl)-1-isopropylpiperidin-4-ol (CAS 1198284-42-2)
- (4-(Trifluoromethoxy)benzyl)hydrazine 2,2,2-trifluoroacetate (CAS 1007599-47-4)
- 4,5,7-Trichloroindoline (CAS 1153392-06-3)
- Methyl 2-(trifluoromethyl)-1,2,3,4-tetrahydroimidazo[1,5-a]pyrimidine-8-carboxylate (CAS 2137845-58-8)
- Sodium 4-(N,N-dipropylsulfamoyl)benzoate (CAS 23795-03-1)
- 4-(Difluoromethyl)-2-methoxy-5-(trifluoromethyl)nicotinaldehyde (CAS 1805438-43-0)
- Semaglutide impurity 83 (CAS CATO-C4X-222683)
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