rel-(4R,5R)-2,3,4,5-Tetramethylcyclopent-2-enone CAS 34103-90-7
| CAS No. | 34103-90-7 |
| Molecular Formula | C9H14O |
| Molecular Weight | 138.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of rel-(4R,5R)-2,3,4,5-Tetramethylcyclopent-2-enone is closely related to a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
rel-(4R,5R)-2,3,4,5-Tetramethylcyclopent-2-enone (CAS 34103-90-7) is a high-purity analytical reference standard with the molecular formula C9H14O and a molecular weight of 138.21 g/mol.
Based on its molecular formula C9H14O, rel-(4R,5R)-2,3,4,5-Tetramethylcyclopent-2-enone contains a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 138.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures rel-(4R,5R)-2,3,4,5-Tetramethylcyclopent-2-enone 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 | C9H14O |
| Molecular Weight | 138.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1966 |
Recommended Standards
- Rel-(1R,3R)-1,3-dithiolane 1,3-dioxide (CAS 79888-76-9)
- spiro[2.5]octane-6-carbaldehyde (CAS 849671-57-4)
- Octahydro-2H-inden-2-one (CAS 41894-93-3)
- Spiro[2.6]nonan-4-one (CAS 5743-85-1)
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- Liraglutide Impurity 13 TFA Salt (CAS CATO-C4X-199213)
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