1286582-56-6 4-tert-Butyldimethylsilyloxy-6-fluoro-2-oxiranyl-3,4-dihydro-2H-1-benzopyran (Mixture of Diastereomers) CAS 1286582-56-6
| CAS No. | 1286582-56-6 |
| Molecular Formula | C17H25FO3Si |
| Molecular Weight | 324.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1286582-56-6 4-tert-Butyldimethylsilyloxy-6-fluoro-2-oxiranyl-3,4-dihydro-2H-1-benzopyran (Mixture of Diastereomers).
1286582-56-6 4-tert-Butyldimethylsilyloxy-6-fluoro-2-oxiranyl-3,4-dihydro-2H-1-benzopyran (Mixture of Diastereomers) (CAS 1286582-56-6) is a high-purity analytical reference standard with the molecular formula C17H25FO3Si and a molecular weight of 324.46 g/mol.
Owing to a steroid core, a hydroxyl group, an ether linkage, fluorine substitution, 1286582-56-6 4-tert-Butyldimethylsilyloxy-6-fluoro-2-oxiranyl-3,4-dihydro-2H-1-benzopyran (Mixture of Diastereomers) is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 324.46 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), 1286582-56-6 4-tert-Butyldimethylsilyloxy-6-fluoro-2-oxiranyl-3,4-dihydro-2H-1-benzopyran (Mixture of Diastereomers) 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.
Physical & Chemical Properties
| Molecular Formula | C17H25FO3Si |
| Molecular Weight | 324.46 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 1990 |
| Halogen Content | F-containing |
Related tert Standards
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- 2-((tert-Butyldimethylsilyloxy)methyl)-6-(trimethylsilyl)furo[3,2-b]pyridine (CAS 1171920-41-4)
- 1286156-10-2 4-tert-Butyldimethylsilyloxy-6-fluoro-2-hydroxymethyl-3,4-dihydro-2H-1-benzopyran (Mixture of Diastereomers) (CAS 1286156-10-2)
- 5-(t-Butyldimethylsilyloxy)-2-fluoro-3-(trifluoromethyl)phenylboronic acid (CAS 2096335-06-5)
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Recommended Standards
- tert-Butyl (1R*,4R*)-4-(cyclohexanecarbonylamino)cyclohexylcarbamate (CAS 1286263-83-9)
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- 3,5-Dimethyl-3',5'-ditert-butyldiphenoquinone (CAS 126657-30-5)
- 3-Ethyl-2,4-bis(p-methoxyphenyl)-1-hexene (CAS 131-88-4)
- 7-methyl-1H-1,6-naphthyridin-2-one (CAS 138099-15-7)
- 2-(Difluoromethyl)-3-hydroxy-5-iodo-6-methoxypyridine (CAS 1807071-57-3)
- Methyl 4-Aminopyridine-2-carboxylate (CAS 71469-93-7)
- 2-Fluoro-5-methylpyridin-3-amine (CAS 173435-33-1)
- δ-Aminobenzenebutanol (CAS 42331-15-7)
- Riboflavin Impurity 37 (CAS 14684-48-1)
- Indenolol Monohydrochloride (CAS 81789-85-7)
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- 8,9B-dimethyl-4a,9b-dihydrodibenzo[b,d]furan-3(4H)-one (CAS 546-24-7)
- D-Trp25-Tirzepatide (CAS CATO-CPTD788909)
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