4-Isocyanato-3-methyl-5-phenylisoxazole CAS 352018-89-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 352018-89-4 |
| Molecular Formula | C11H8N2O2 |
| Molecular Weight | 200.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 4-Isocyanato-3-methyl-5-phenylisoxazole (CAS 352018-89-4) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C11H8N2O2. Molecular weight: 200.19 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C11H8N2O2 |
| Molecular Weight | 200.19 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Related Isocyanato Standards
- 1-Isocyanato-2-methoxynaphthalene (CAS 117202-73-0)
- 3-Isocyanato-2-methyl-5-phenyl-furan (CAS 568577-82-2)
- 3-Isocyanato-5-methyl-2-phenylfuran (CAS 898289-18-4)
- 4-Isocyanato-5-methyl-1-phenyl-1h-pyrazole (CAS 799283-97-9)
- 7-Isocyanato-4-methyl-2H-chromen-2-one (CAS 139374-47-3)
- 3-Isocyanato-2-methyl-6-(trifluoromethyl)pyridine (CAS 874832-10-7)
- 1-(4-Isocyanato-phenyl)-piperidine (CAS 879896-41-0)
- 1-isocyanato-3-(trifluoromethoxy)benzene (CAS 55225-86-0)
Recommended Standards
- 4-Hydroxynaphthalene-1,3-dicarbaldehyde (CAS 933775-00-9)
- 4-Oxo-4-(3-oxopiperazin-1-yl)butanoic acid (CAS 590380-54-4)
- 4-Hydroxy-8-methoxyquinoline-3-carbonitrile (CAS 27374-82-9)
- (S)-3-amino-2-phenylpropanoic acid hydrochloride (CAS 1392219-09-8)
- N3-(2,3-Dihydrobenzofuran-3-yl)-4H-1,2,4-triazole-3,5-diamine (CAS 1518944-61-0)
- (Prop-2-yn-1-yl)(Sulfamoyl)amine (CAS 154743-04-1)
- Methyl 3-chloro-5-fluoro-4-methoxybenzoate (CAS 1520844-29-4)
- 4'-(Pyridin-2-yl)-2,2':6',2"-terpyridine (CAS 322637-99-0)
- Nonan-5-yl (Z)-11-(2-(4-((9-(dimethylamino)-5H-benzo[a]phenoxazin-5-ylidene)amino)phenyl)acetoxy)undecanoate (CAS 136499-31-5)
- Semaglutide Impurity 183 (CAS 159541-28-3)
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