(R)-tert-Butyl 1-(3-benzyl-7-chloro-4-oxo-3,4-dihydroquinazolin-2-yl)-2-methylpropylcarbamate CAS 587881-33-2
| CAS No. | 587881-33-2 |
| Molecular Formula | C24H28ClN3O3 |
| Molecular Weight | 441.95 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(R)-tert-Butyl 1-(3-benzyl-7-chloro-4-oxo-3,4-dihydroquinazolin-2-yl)-2-methylpropylcarbamate (CAS 587881-33-2) is a high-purity analytical reference standard with the molecular formula C24H28ClN3O3 and a molecular weight of 441.95 g/mol.
Based on its molecular formula C24H28ClN3O3, (R)-tert-Butyl 1-(3-benzyl-7-chloro-4-oxo-3,4-dihydroquinazolin-2-yl)-2-methylpropylcarbamate 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 441.95 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), (R)-tert-Butyl 1-(3-benzyl-7-chloro-4-oxo-3,4-dihydroquinazolin-2-yl)-2-methylpropylcarbamate 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 | C24H28ClN3O3 |
| Molecular Weight | 441.95 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Recommended Standards
- (E)-{[4-(4-chlorophenyl)-7-thia-2,5-diazatricyclo[6.4.0.0^{2,6}]dodeca-1(8),3,5-trien-3-yl]methylidene}amino thiophene-2-carboxylate (CAS 478041-87-1)
- (R)-tert-Butyl 1-(3-benzyl-7-chloro-4-oxo-4H-chromen-2-yl)-2-methylpropylcarbamate (CAS 618430-24-3)
- (S)-1-(2-(3-(3-(2-(7-Chloroquinolin-2-yl)vinyl)phenyl)-3-hydroxypropyl)phenyl)ethan-1-one (CAS 144551-23-5)
- 2-Chloro-10-phenyl-10H-spiro[acridine-9,9'-fluorene] (CAS 2313446-72-7)
- n-(3,4-Dichlorophenyl)-4-methylpiperazine-1-carboxamide (CAS 21492-28-4)
- (3-azidophenyl)methanol (CAS 89937-85-9)
- 2-Amino-N-(pyridin-3-yl)benzamide (CAS 76102-92-6)
- Landiolol Impurity 52 1/2 Oxalate (CAS CATO-C4X-262152)
- Benzyl N-(1-Cyanocyclopentyl)carbamate (CAS 1352999-40-6)
- (2,5-Dioxopyrrolidin-1-yl) 11-azidoundecanoate (CAS 850080-13-6)
- Ethyl 3-(4-Aminophenyl)-3-oxopropanoate (CAS 61252-00-4)
- Hydroxychloroquine Impurity 36 (CAS CATO-C4X-183536)
- N-(2-bromo-4-fluorobenzyl)-N-ethylethanamine (CAS 1248687-30-0)
- Endo-Pro36-Tirzepatide (CAS CATO-CPTD788688)
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