4,4'-(4-Phenylpyridine-2,6-diyl)dianiline CAS 312491-28-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 312491-28-4 |
| Molecular Formula | C23H19N3 |
| Molecular Weight | 337.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4'-(4-Phenylpyridine-2,6-diyl)dianiline (CAS 312491-28-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C23H19N3. Molecular weight: 337.42 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C23H19N3 |
| Molecular Weight | 337.42 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
Related Phenylpyridine Standards
- 4,4'-(4-Phenylpyridine-2,6-diyl)dibenzoic acid (CAS 42178-86-9)
- 3-Phenylpyridine-2-sulfonyl chloride (CAS 127175-12-6)
- 6-Phenylpyridine-3-sulfonyl chloride (CAS 884507-12-4)
- 4-Phenylpyridine-2,3-dicarboxylic acid (CAS 183551-22-6)
- 4-Phenylpyridine-2,6-dicarboxylicAcid (CAS 83463-12-1)
- N-Phenylpyridine-2-sulfonamide (CAS 103863-00-9)
- 6-Phenylpyridine-3-sulfonamide (CAS 2035053-36-0)
- N-Phenylpyridine-4-sulfonamide (CAS 721-76-6)
Recommended Standards
- 4-(4-Methoxyphenyl)-3,7,7-trimethyl-2H,4H,5H,6H,7H,8H,9H-pyrazolo[3,4-b]quinolin-5-one (CAS 329978-00-9)
- 4-tert-Butyl-3-[(2-methylphenyl)methyl]-2,3,4,5-tetrahydro-1H-1,3,4-benzotriazepine-2,5-dione (CAS 866157-54-2)
- 4-(4-Isopropylphenyl)-5-methyl-2-(2-phenoxyethyl)-2,4-dihydro-3H-1,2,4-triazol-3-one (CAS 860785-34-8)
- 3-(2-Methylpropyl)oxetane-3-carboxylic acid (CAS 1522703-56-5)
- 1-(4-(2-Fluorophenyl)-3-oxo-3,4-dihydropyrazin-2-yl)piperidine-4-carboxylic acid (CAS 1707603-27-7)
- (1r)-1-(3-Bromo-4-methoxyphenyl)ethan-1-ol (CAS 1212173-31-3)
- 2-(Chloromethyl)-6-cyano-4-(difluoromethyl)-3-(trifluoromethyl)pyridine (CAS 1805579-64-9)
- 6-Cinnamyl-5-methyl-2-(methylthio)-[1,2,4]triazolo[1,5-a]pyrimidin-7(1H)-one (CAS 860786-00-1)
- Tert-butyl n-(6-chloro-1,2,3,4-tetrahydroquinolin-4-yl)carbamate (CAS 1315365-85-5)
- Tirzepatide Impurity 43 (CAS CATO-C4X-324043)
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