4-Bromo-[1,1'-biphenyl]-2-carboxylic acid CAS 69200-18-6
| CAS No. | 69200-18-6 |
| Molecular Formula | C13H9BrO2 |
| Molecular Weight | 277.11 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 4-Bromo-[1,1'-biphenyl]-2-carboxylic acid.
4-Bromo-[1,1'-biphenyl]-2-carboxylic acid (CAS 69200-18-6) is a high-purity analytical reference standard with the molecular formula C13H9BrO2 and a molecular weight of 277.11 g/mol.
Structurally, 4-Bromo-[1,1'-biphenyl]-2-carboxylic acid (C13H9BrO2) 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 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 277.11 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C13H9BrO2 |
| Molecular Weight | 277.11 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Halogen Content | Br-containing |
Related Bromo Standards
- 3-bromo-4-phenoxybenzaldehyde (CAS 1000414-11-8)
- 2-Bromo-[1,1'-biphenyl]-3-carboxylic acid (CAS 1049143-36-3)
- 2-Bromo-1,4-bis(methoxymethoxy)benzene (CAS 131136-47-5)
- methyl 6-bromo-3-oxo-benzofuran-2-carboxylate (CAS 1403582-72-8)
- 3-Bromo-5-(3,3-difluoropyrrolidin-1-ylmethyl)-pyridine (CAS 1428065-38-6)
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- 1707365-66-9 3-Bromo-4-(4,4-difluoropiperidin-1-yl)pyridine (CAS 1707365-66-9)
Recommended Standards
- 4-(3-Bromophenoxy)benzaldehyde (CAS 867023-45-8)
- 4'-Bromo-[1,1'-biphenyl]-2-carboxylicacid (CAS 37174-65-5)
- 4-(2-Bromophenoxy)benzaldehyde (CAS 86607-73-0)
- 4'-Bromo-[1,1'-biphenyl]-3-carboxylic acid (CAS 885951-66-6)
- 2-(4-CYano-2-nitrophenyl)acetamide (CAS 2140305-61-7)
- 2-(N-Hydroxycarbamimidoyl)-N-(2-methoxy-phenyl)-acetamide (CAS 735321-27-4)
- Zinc oxalate dihydrate (CAS 55906-21-3)
- 1-(4-Benzylmorpholin-2-yl)propan-1-one (CAS 852237-35-5)
- 4-(1H-1,2,4-triazol-1-yl)butan-2-one (CAS 884497-49-8)
- 2-(1,3-thiazol-4-ylformamido)acetic acid (CAS 1343976-73-7)
- cyclopentylmethanethiol (CAS 6053-79-8)
- 3-(Benzyloxy)-4-methoxyphenylacetic Acid (CAS 5487-33-2)
- (1R)-2-amino-1-cyclopropyl-ethanol (CAS 2227809-64-3)
- Tau Peptide (274-288) trifluoroacetate salt (CAS 330456-39-8)
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