4-(4-Bromophenyl)-2,2-dimethylbutanoic acid CAS 1267365-75-2
| CAS No. | 1267365-75-2 |
| Molecular Formula | C12H15BrO2 |
| Molecular Weight | 271.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-(4-Bromophenyl)-2,2-dimethylbutanoic acid (C12H15BrO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 271.15 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
4-(4-Bromophenyl)-2,2-dimethylbutanoic acid (CAS 1267365-75-2), molecular formula C12H15BrO2 and molecular weight 271.15 g/mol, is a CATO reference standard with documented purity and traceability.
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), 4-(4-Bromophenyl)-2,2-dimethylbutanoic 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 | C12H15BrO2 |
| Molecular Weight | 271.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Br-containing |
Related Bromophenyl Standards
- 3-(4-Bromophenyl)-4-methylpentanoic acid (CAS 1017195-23-1)
- 4-(4-Bromophenyl)-3,3-dimethylbutanoic Acid (CAS 102568-20-7)
- Ethyl 4-(4-bromophenyl)butanoate (CAS 105986-54-7)
- Methyl 2-(4-bromophenyl)-3-methylbutanoate (CAS 1061284-70-5)
- 1-(3-Bromophenyl)-3-(sec-butyl)urea (CAS 1147403-98-2)
- 4-[(3-Bromophenyl)methoxy]oxane (CAS 1247385-45-0)
- 5-(4-Bromophenyl)-3-methylpentanoic acid (CAS 1343827-83-7)
- 1-(4-Bromophenyl)-3-butylurea (CAS 137351-54-3)
Recommended Standards
- N-(5-Bromopyridin-3-yl)-3,3-dimethylbutanamide (CAS 1266227-14-8)
- 4-Bromo-2-cyclobutoxy-1-ethoxy-benzene (CAS 1276075-65-0)
- 2-Amino-5-bromo-N,N-diethylbenzamide (CAS 1263376-84-6)
- (1-(5-Bromopyridin-3-yl)piperidin-4-yl)methanol (CAS 1289122-77-5)
- (2E)-3-(3,4-Dimethoxyphenyl)-2-[4-(4-methoxyphenyl)-1,3-thiazol-2-yl]prop-2-enenitrile (CAS 313687-66-0)
- 1-(Furan-2-yl)-2-(methylamino)ethan-1-one (CAS 1314980-53-4)
- 2-3-4-6-Tetra-O-acetyl-α-D-mannopyranosyl-Fmoc serine (CAS 118358-80-8)
- Cyanuric acid-15N3 (CAS 1182734-24-2)
- 9-Nitro-1-nonanol (CAS 81541-84-6)
- Tert-butyl 4-(2-amino-1-(4-chlorophenyl)ethyl)piperazine-1-carboxylate (CAS 444892-51-7)
- N-Methyl-3-(1,1,2,2-tetrafluoroethoxy)aniline (CAS 1233518-27-8)
- 3,4-Dipropoxyaniline (CAS 88513-99-9)
- 3-Amino-4-(4-(benzyloxy)phenyl)butanoic acid (CAS 1391275-16-3)
- Semaglutide impurity 260 (CAS CATO-C4X-2226260)
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