(4-(2-Chloro-4-nitrophenyl)piperazin-1-yl)(3-(4-hydroxyphenyl)-5-methylisoxazol-4-yl)methanone CAS 1264870-21-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1264870-21-4 |
| Molecular Formula | C21H19ClN4O5 |
| Molecular Weight | 442.85 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(4-(2-Chloro-4-nitrophenyl)piperazin-1-yl)(3-(4-hydroxyphenyl)-5-methylisoxazol-4-yl)methanone (CAS 1264870-21-4) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C21H19ClN4O5. Molecular weight: 442.85 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C21H19ClN4O5 |
| Molecular Weight | 442.85 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Chloro Standards
- N-(4-Chloro-3-(trifluoromethyl)phenyl)-2-((4-ethyl-5-(pyrazin-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 618427-30-8)
- (E)-{[3-(2-{4-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]piperazin-1-yl}ethoxy)phenyl]methylidene}(methyl)oxidoazanium (CAS 321432-40-0)
- 2-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)thio)-N-(4-methoxyphenyl)-1-methyl-1H-imidazole-5-carboxamide (CAS 339278-15-8)
- 5-Chloro-4-iodo-1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridine (CAS 1040682-76-5)
- N-(2-{4-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]piperazin-1-yl}-2-oxoethoxy)benzamide (CAS 303150-03-0)
- 2-{N-[2-chloro-5-(trifluoromethyl)phenyl]methanesulfonamido}-N-(2,4-difluorophenyl)acetamide (CAS 478067-38-8)
- N-(2-Chloro-4,6-dimethylphenyl)-2-((5-(furan-2-yl)-4-(furan-2-ylmethyl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 843616-40-0)
- 4-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)(methyl)amino)-5-methyl-2-(4-nitrobenzyl)-2,4-dihydro-3H-1,2,4-triazol-3-one (CAS 860786-15-8)
Recommended Standards
- N-benzyl-4-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)oxy)benzenesulfonamide (CAS 344278-17-7)
- 4-(4-Chlorobenzoyl)-3-hydroxy-5-(4-nitrophenyl)-1-((tetrahydrofuran-2-yl)methyl)-1H-pyrrol-2(5H)-one (CAS 488804-17-7)
- 3-[3-(Benzyloxy)thiophen-2-yl]-1-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}urea (CAS 303147-90-2)
- 2-(Benzylthio)ethan-1-amine (CAS 1007-54-1)
- 7-Chloro-2-iodofuro[3,2-b]pyridine (CAS 1071540-54-9)
- 4-[3-(pyrrolidin-1-yl)propoxy]aniline (CAS 343965-79-7)
- 21-Deoxyprednisolone 17alpha-Propionate (CAS 20424-00-4)
- 1-(P-tolyl)ethan-1-one oxime (CAS 2089-33-0)
- 6H-Imidazo[4,5-d]thiazole (CAS 25336-15-6)
- Des-Ala35-Tirzepatide (CAS CATO-CPTD788939)
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