| CAS No. | 2919072-11-8 |
| Molecular Formula | C18H24BFO4 |
| Molecular Weight | 334.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
As a certified reference material (CRM), 1H-Indene-2-carboxylic acid, 4-fluoro-2,3-dihydro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, ethyl ester meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
1H-Indene-2-carboxylic acid, 4-fluoro-2,3-dihydro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, ethyl ester (CAS 2919072-11-8), molecular formula C18H24BFO4 and molecular weight 334.19 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1H-Indene-2-carboxylic acid, 4-fluoro-2,3-dihydro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, ethyl ester (C18H24BFO4) contains a steroid core, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 6.5, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 334.19 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
| Molecular Formula | C18H24BFO4 |
| Molecular Weight | 334.19 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 |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2004 |
| Halogen Content | F-containing |