1-(9,9-Dimethyl-9H-fluoren-2-yl)ethan-1-one CAS 72322-75-9
| CAS No. | 72322-75-9 |
| Molecular Formula | C17H16O |
| Molecular Weight | 236.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1-(9,9-Dimethyl-9H-fluoren-2-yl)ethan-1-one is closely related to a steroid core, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
1-(9,9-Dimethyl-9H-fluoren-2-yl)ethan-1-one (CAS 72322-75-9), molecular formula C17H16O and molecular weight 236.31 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-(9,9-Dimethyl-9H-fluoren-2-yl)ethan-1-one (C17H16O) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 236.31 g/mol, it falls into the medium-molecular-weight range. 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 1-(9,9-Dimethyl-9H-fluoren-2-yl)ethan-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 | C17H16O |
| Molecular Weight | 236.31 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
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Recommended Standards
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- (2E)-3-{4-[(4-bromophenyl)methoxy]phenyl}-N-[(4-methylphenyl)methyl]prop-2-enamide (CAS 477889-36-4)
- 3-(3-ethyl-1,2,4-oxadiazol-5-yl)propanoic acid (CAS 947013-64-1)
- (S)-4-(4-Bromopyridin-3-yl)-1-(tert-butoxycarbonyl)-piperazine-2-carboxylic acid 1787339-59-6 (CAS 1787339-59-6)
- 3-Amino-3-(5-(4-bromophenyl)furan-2-yl)propanamide (CAS 771522-77-1)
- Semaglutide impurity 63 (CAS CATO-C4X-222663)
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