4-Chloro-3-methyl-5-phenylisoxazole CAS 10557-76-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 10557-76-3 |
| Molecular Formula | C10H8ClNO |
| Molecular Weight | 193.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-3-methyl-5-phenylisoxazole (CAS 10557-76-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C10H8ClNO. Molecular weight: 193.63 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C10H8ClNO |
| Molecular Weight | 193.63 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- 2-(4-Chloro-1h-pyrazol-1-yl)aniline (CAS 1006467-19-1)
- 4-Benzyl-3-chloro-4H-1,2,4-triazole (CAS 1019031-93-6)
- 3-chloro-5-methyl-4-phenyl-4H-1,2,4-triazole (CAS 1019032-00-8)
- methyl 2-(3-chloro-N-methylpropanamido)acetate (CAS 1020992-22-6)
- 2-Chloro-1-(1h-indol-5-yl)ethan-1-one (CAS 103028-56-4)
- 7-Chloro-2-cyclopropyl-3H-imidazo[4,5-b]pyridine (CAS 1046822-79-0)
- 6-Chloro-8-(prop-1-en-2-yl)imidazo[1,2-b]pyridazine (CAS 105949-21-1)
- 2-Chloro-5-(p-tolyl)oxazole (CAS 1060816-34-3)
Recommended Standards
- 2-(5-Chloromethyl-1H-imidazol-2-yl)pyridine (CAS 1053657-25-2)
- 1-(2-(Chloromethyl)phenyl)-1H-1,2,4-triazole (CAS 1038975-25-5)
- 1-Chloro-5-methoxyisoquinoline (CAS 106462-85-5)
- 3-Chloro-N-(3-methylphenyl)-5-(trifluoromethyl)-2-pyridinamine (CAS 1219957-76-2)
- n-Isopentyl-2-nitroaniline (CAS 160918-08-1)
- (S)-2-amino-N-isopropyl-N-(pyridin-2-ylmethyl)propanamide (CAS 1304397-08-7)
- Metoclopramide Impurity 23 (CAS CATO-C4X-141523)
- 4-(tert-Butyl)-N-[4-(hydrazinocarbonyl)phenyl]-benzamide (CAS 462068-82-2)
- Methyl 1,2,3,4-Tetrahydroisoquinoline-7-carboxylate Hydrochloride (CAS 220247-69-8)
- Cholecystokinin Octapeptide (1-3) (desulfated) H-Asp-Tyr-Met-OH (CAS 121880-94-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com