tert-Butyl 5-chloro-2-(3-methoxy-4-(4-methyl-1H-imidazol-1-yl)benzylidene)pentanoate CAS 1225232-42-7
| CAS No. | 1225232-42-7 |
| Molecular Formula | C21H27ClN2O3 |
| Molecular Weight | 390.90 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, tert-Butyl 5-chloro-2-(3-methoxy-4-(4-methyl-1H-imidazol-1-yl)benzylidene)pentanoate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 390.90 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
tert-Butyl 5-chloro-2-(3-methoxy-4-(4-methyl-1H-imidazol-1-yl)benzylidene)pentanoate (CAS 1225232-42-7) is a high-purity analytical reference standard with the molecular formula C21H27ClN2O3 and a molecular weight of 390.90 g/mol.
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 | C21H27ClN2O3 |
| Molecular Weight | 390.90 g/mol |
| Appearance | Pale yellow to 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 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Recommended Standards
- N-(4-Chlorophenyl)-4-(4-phenyl-1,3-thiazol-2-yl)benzamide (CAS 321429-83-8)
- 15β-Hydroxy cyproterone (CAS 68791-71-9)
- N-(2-Chloro-4,6-dimethylphenyl)-2-((4-ethyl-5-(furan-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 578718-71-5)
- 2,4,4'-Tribromo-1,1'-biphenyl (CAS 6430-90-6)
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- ((3R,4R)-3-fluoropiperidin-4-yl)methanol hydrochloride (CAS 1402414-13-4)
- tert-Butyl (4-iodo-2,6-dimethylphenyl)carbamate (CAS 1314985-68-6)
- (2S,3S)-2,3-Oxiranedicarboxylic acid (CAS 17087-75-1)
- ethyl 1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]piperidine-3-carboxylate (CAS 1242267-96-4)
- Tolterodine Impurity 26 (CAS 828933-86-4)
- 2-(Dimethylsulfamoyl)benzene-1-sulfonyl chloride (CAS 103008-52-2)
- D-Pro38-Tirzepatide (CAS CATO-CPTD788901)
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