3-(2,6-Dichlorophenyl)-5-methyl-4-isoxazolylcarboxylic-13C4 Acid Methyl Ester CAS 1391052-23-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1391052-23-5 |
| Molecular Formula | C12H9Cl2NO3 |
| Molecular Weight | 286.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-(2,6-Dichlorophenyl)-5-methyl-4-isoxazolylcarboxylic-13C4 Acid Methyl Ester (CAS 1391052-23-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C12H9Cl2NO3. Molecular weight: 286.11 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C12H9Cl2NO3 |
| Molecular Weight | 286.11 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichlorophenyl Standards
- 1-(3,4-Dichlorophenyl)-5-ethyl-1H-1,2,3-triazole-4-carboxylic acid (CAS 1099186-96-5)
- 1-(2,6-dichlorophenyl)-5-ethyl-1H-1,2,4-triazole-3-carboxylic acid (CAS 1154206-26-4)
- (5Z)-5-{[(2,4-dichlorophenyl)amino]methylidene}-4-methoxy-2,5-dihydrofuran-2-one (CAS 1164540-90-2)
- Ethyl 5-(2,3-Dichlorophenyl)isoxazole-3-carboxylate (CAS 1188228-50-3)
- Ethyl 5-(2,4-Dichlorophenyl)isoxazole-3-carboxylate (CAS 159427-17-5)
- 3-(2,6-Dichlorophenyl)-N-hydroxy-5-methylisoxazole-4-carboximidamide (CAS 164982-40-5)
- 1-(1-(3,4-Dichlorophenyl)ethyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1707582-94-2)
- 1-(1-(2,4-Dichlorophenyl)ethyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1710345-05-3)
Recommended Standards
- 3,4-Dichloro-1-(2-ethoxyphenyl)-1H-pyrrole-2,5-dione (CAS 138509-79-2)
- tert-Butyl 2-(2-iodoethoxy)acetate (CAS 1401351-72-1)
- 4-Ethyl-5-iodo-2,3-dihydro-1H-inden-1-one (CAS 1344715-36-1)
- 4-(Trifluoromethyl)quinolin-3-amine (CAS 155793-46-7)
- 3-(Trimethoxysilyl)propyl acetate (CAS 59004-18-1)
- N-(5-Acetyl-2-fluorophenyl)-N-methylacetamide (CAS 1235488-50-2)
- 1-(2-Bromo-6-fluoro-3-methylphenyl)ethan-1-one (CAS 1514581-21-5)
- Nabumetone Impurity 26 (CAS CATO-C4X-284826)
- 2-(N-(3-chloro-4-methoxyphenyl)phenylsulfonamido)-N-(pyridin-4-ylmethyl)acetamide (CAS 695174-96-0)
- Tau Peptide (337-368) (Repeat 4 Domain) trifluoroacetate salt (CAS 330456-27-4)
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