3-Bromo-4-oxo-1,2,3,4-tetrahydronaphthalene-2-carboxylic acid CAS 408312-67-4
| CAS No. | 408312-67-4 |
| Molecular Formula | C11H9BrO3 |
| Molecular Weight | 269.09 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 3-Bromo-4-oxo-1,2,3,4-tetrahydronaphthalene-2-carboxylic acid.
3-Bromo-4-oxo-1,2,3,4-tetrahydronaphthalene-2-carboxylic acid (CAS 408312-67-4), molecular formula C11H9BrO3 and molecular weight 269.09 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H9BrO3, 3-Bromo-4-oxo-1,2,3,4-tetrahydronaphthalene-2-carboxylic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 269.09 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
CATO manufactures 3-Bromo-4-oxo-1,2,3,4-tetrahydronaphthalene-2-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H9BrO3 |
| Molecular Weight | 269.09 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
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Recommended Standards
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- ethyl 5-methyl-4-oxo-3H,4H-pyrrolo[2,1-f][1,2,4]triazine-6-carboxylate (CAS 427878-70-4)
- Semaglutide impurity 22(OtBu-Ste-γGlu(OtBu)-AEEA-AEEA-OH) (CAS 1118767-16-0)
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