478261-27-7 9L-327S [(3Z)-2-oxo-1-phenyl-2,3-dihydro-1H-indol-3-ylidene]amino 3-chlorobenzoate CAS 478261-27-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 478261-27-7 |
| Molecular Formula | C21H13ClN2O3 |
| Molecular Weight | 376.79 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
478261-27-7 9L-327S [(3Z)-2-oxo-1-phenyl-2,3-dihydro-1H-indol-3-ylidene]amino 3-chlorobenzoate (CAS 478261-27-7) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C21H13ClN2O3. Molecular weight: 376.79 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C21H13ClN2O3 |
| Molecular Weight | 376.79 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Recommended Standards
- Methyl 3-[(3-chlorobenzoyl)amino]-6-[(E)-2-(dimethylamino)ethenyl]-2-oxo-2H-pyran-5-carboxylate (CAS 341966-05-0)
- 3-(4-Chlorophenyl)-5-(4-nitrophenyl)-4-phenyl-4H-1,2,4-triazole (CAS 62507-59-9)
- 4-Chloro-7-(3-morpholinopropoxy)-6-nitroquinoline-3-carbonitrile (CAS 919482-04-5)
- 3-Chloro-2-(2-naphthyloxy)aniline (CAS 937604-73-4)
- (1-Cyclohexyl-2,2,2-trifluoroethyl)benzene (CAS 73899-23-7)
- 6-Cyano-5-methylnicotinic acid (CAS 1360953-72-5)
- S-Ethyl Ester-, (3-Hydroxypropyl)propyl- Carbamothioic Acid (CAS 65109-70-8)
- 2,4,6-Tris(chloromethyl)-1,3,5-trioxane (CAS 1129-52-8)
- (2R,5S)-2-(tert-Butyl)-3-methyl-5-(phenylmethyl)-4-imidazolidinone (CAS 691847-46-8)
- Semaglutide Impurity 186 (CAS CATO-C4X-2226186)
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