5-(3-Chlorophenyl)-3-(4-nitrophenyl)isoxazole CAS 651021-81-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 651021-81-7 |
| Molecular Formula | C15H9ClN2O3 |
| Molecular Weight | 300.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 5-(3-Chlorophenyl)-3-(4-nitrophenyl)isoxazole (CAS 651021-81-7) pharmaceutical standards reference standard. Molecular formula: C15H9ClN2O3. Molecular weight: 300.70 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C15H9ClN2O3 |
| Molecular Weight | 300.70 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chlorophenyl Standards
- 1-(3-Chlorophenyl)-5-(pyridin-4-yl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1017402-25-3)
- 1-(2-Chlorophenyl)-5-(pyridin-4-yl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1017458-46-6)
- 1-(4-chlorophenyl)-5-pyridin-3-yl-1H-1,2,3-triazole-4-carboxylic acid (CAS 1030089-58-7)
- 1-(2-Chlorophenyl)-5-(pyridin-3-yl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1031977-12-4)
- 2-[3-(3-chlorophenyl)-1,2,4-oxadiazol-5-yl]benzoic acid (CAS 1094255-70-5)
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- 1-(2-Chlorophenyl)-5-(pyridin-2-yl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1400540-05-7)
Recommended Standards
- 4-Chlorophenyl 6-(1H-1,2,4-triazol-1-yl)nicotinate (CAS 400079-27-8)
- 5-Chloro-7-(3-nitrophenyl)quinolin-8-ol (CAS 648896-52-0)
- 4-Amino-6-chloro-1-β-D-ribofuranosylimidazo[4,5-c]pyridine (CAS 40656-71-1)
- 5-Chloro-2-(piperidin-4-ylmethoxy)pyridine hydrochloride (CAS 2680615-71-6)
- 2-Methylbenzo[d][1,3]dioxole (CAS 14046-39-0)
- N-(2-Fluorobenzyl)-1-(pyrrolidin-2-yl)methanamine hydrochloride (CAS 1261231-58-6)
- Methyl 4-(2-Chloroacetyl)-5-methyl-1H-pyrrole-2-carboxylate (CAS 203208-33-7)
- 2-(3,4,5-Trifluorophenyl)cyclohexanol (CAS 1172639-13-2)
- 2-(Piperidine-1-sulfonyl)-ethylamine hydrochloride 3038AE 42025-52-5 C7H17ClN2O2S (CAS 42025-52-5)
- D-Ile27-Tirzepatide (CAS CATO-CPTD788907)
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