(S)-3-(((tert-butyldimethylsilyl)oxy)methyl)-5-(4-chlorophenyl)-7-methoxy-1,3-dihydro-2H-benzo[e][1,4]diazepin-2-one CAS 1818333-60-6
| CAS No. | 1818333-60-6 |
| Molecular Formula | C23H29ClN2O3Si |
| Molecular Weight | 445.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (S)-3-(((tert-butyldimethylsilyl)oxy)methyl)-5-(4-chlorophenyl)-7-methoxy-1,3-dihydro-2H-benzo[e][1,4]diazepin-2-one is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies (S)-3-(((tert-butyldimethylsilyl)oxy)methyl)-5-(4-chlorophenyl)-7-methoxy-1,3-dihydro-2H-benzo[e][1,4]diazepin-2-one (CAS 1818333-60-6), a certified reference material (molecular formula C23H29ClN2O3Si, MW 445.03 g/mol) for analytical method development and quality control.
Based on its molecular formula C23H29ClN2O3Si, (S)-3-(((tert-butyldimethylsilyl)oxy)methyl)-5-(4-chlorophenyl)-7-methoxy-1,3-dihydro-2H-benzo[e][1,4]diazepin-2-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 445.03 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C23H29ClN2O3Si |
| Molecular Weight | 445.03 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Recommended Standards
- 1,2-Bis(5-bromo-2-chlorophenyl)disulfane (CAS 792952-65-9)
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- 7-Bromo-4,6-dichloro-8-fluoro-1,2-dihydroquinolin-2-yl trifluoromethanesulfonate (CAS 2857930-14-2)
- 2,3-Diiodophenyl diethylcarbamate (CAS 863870-82-0)
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- 7-(Octan-2-yl)quinolin-8-ol (CAS 88015-72-9)
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- 4-Bromo-3-nitrobenzoyl chloride (CAS 335015-51-5)
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- 1-(2-chlorophenyl)-5-ethyl-1H-1,2,4-triazole-3-carboxylic acid (CAS 1154372-81-2)
- 2,3-Diphenyl-4-(phenylsulfonyl)isoxazolidine (CAS 87289-91-6)
- Methyl 4-(4-iodophenoxy)benzoate (CAS 21120-76-3)
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