2-Bromo-6-methylcyclohexa-2,5-diene-1,4-dione CAS 6293-55-6
| CAS No. | 6293-55-6 |
| Molecular Formula | C7H5BrO2 |
| Molecular Weight | 201.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-Bromo-6-methylcyclohexa-2,5-diene-1,4-dione (CAS 6293-55-6), molecular formula C7H5BrO2 and molecular weight 201.02 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-Bromo-6-methylcyclohexa-2,5-diene-1,4-dione (C7H5BrO2) 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 201.02 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures 2-Bromo-6-methylcyclohexa-2,5-diene-1,4-dione 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 | C7H5BrO2 |
| Molecular Weight | 201.02 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1958 |
| Halogen Content | Br-containing |
Related Bromo Standards
- 1-(5-Bromo-4-pyrimidinyl)ethanone (CAS 1245643-85-9)
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Recommended Standards
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- 0718AE 338422-43-8 C12H12Cl2N2OS {2-[(2,6-Dichlorobenzyl)sulfanyl]-1-methyl-1H-imidazol-5-yl}methanol (CAS 338422-43-8)
- N,N-Dimethyl-N'-(pyridin-2-yl)formimidamide (CAS 17175-39-2)
- 1,4,5-Trimethyl-2-phenyl-1H-imidazole (CAS 152536-39-5)
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- Isograndifoliol (CAS 1445475-53-5)
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