4-((4-Chlorophenoxy)methyl)-5-methylisoxazole-3-carboxylic acid CAS 905809-09-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 905809-09-8 |
| Molecular Formula | C12H10ClNO4 |
| Molecular Weight | 267.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-((4-Chlorophenoxy)methyl)-5-methylisoxazole-3-carboxylic acid (CAS 905809-09-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C12H10ClNO4. Molecular weight: 267.67 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C12H10ClNO4 |
| Molecular Weight | 267.67 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, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chlorophenoxy Standards
- 4-((2-Chlorophenoxy)methyl)-5-methylisoxazole-3-carboxylic acid (CAS 905810-50-6)
- 4-((3-Chlorophenoxy)methyl)-5-methylisoxazole-3-carboxylic acid (CAS 905811-21-4)
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Recommended Standards
- 4-(3-Amino-5-chlorobenzofuran-2-yl)-4-oxobutanoic acid (CAS 329209-27-0)
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- 2-Chloro-4-(1,3-dioxoisoindolin-2-yl)butanoic acid (CAS 31335-45-2)
- 1-(3-Fluoro-4-methylphenyl)-5-methyl-1H-1,2,3-triazole-4-carboxylic acid (CAS 1031578-62-7)
- 2-Chloro-3-(1-methylpiperidin-2-yl)pyridine (CAS 1195567-51-1)
- 4-Amino-1-(4-methoxyphenyl)pyrrolidin-2-one hydrochloride (CAS 1177292-63-5)
- spiro[adamantane-2,4’-piperidine] hydrochloride (CAS 1797363-68-8)
- N-Cyclohexyl-2-nitro-4-(trifluoromethyl)aniline (CAS 87815-78-9)
- Pindolol dimer-d7 (CAS 1246815-62-2)
- Gastric Inhibitory Polypeptide (3-42) (human) trifluoroacetate salt (CAS 1802086-25-4)
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