3-Bromo-2-hydroxy-4,4,5,5-tetramethylcyclopent-2-en-1-one CAS 1889-99-2
| CAS No. | 1889-99-2 |
| Molecular Formula | C9H13BrO2 |
| Molecular Weight | 233.10 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.
CATO supplies 3-Bromo-2-hydroxy-4,4,5,5-tetramethylcyclopent-2-en-1-one (CAS 1889-99-2), a certified reference material (molecular formula C9H13BrO2, MW 233.10 g/mol) for analytical method development and quality control.
Structurally, 3-Bromo-2-hydroxy-4,4,5,5-tetramethylcyclopent-2-en-1-one (C9H13BrO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 233.10 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 3-Bromo-2-hydroxy-4,4,5,5-tetramethylcyclopent-2-en-1-one 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 | C9H13BrO2 |
| Molecular Weight | 233.10 g/mol |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Br-containing |
Related Bromo Standards
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