4,4'-((4-Amino-1,3-phenylene)bis(methylene))dianiline CAS 25834-80-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 25834-80-4 |
| Molecular Formula | C20H21N3 |
| Molecular Weight | 303.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4'-((4-Amino-1,3-phenylene)bis(methylene))dianiline (CAS 25834-80-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H21N3. Molecular weight: 303.40 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C20H21N3 |
| Molecular Weight | 303.40 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 4-(4-tert-Butylphenyl)-4-oxo-2-(pyrrolidin-1-yl)butanoic acid (CAS 301193-77-1)
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- 4-(4-Methylpiperidin-1-yl)-2-phenylquinazoline (CAS 307544-24-7)
- 2-(4-Aminophenyl)-2-methylpropan-1-ol (CAS 18755-56-1)
- 1-(Tetrahydrofuran-3-carbonyl)pyrrolidine-3-carboxylic acid (CAS 1339329-53-1)
- 2-(Benzylthio)-4-((3-(trifluoromethyl)benzyl)thio)thieno[3,2-d]pyrimidine (CAS 478067-44-6)
- 3,4,5-Trichloropyridine (CAS 33216-52-3)
- 6-((Isopropylthio)methyl)-2-thioxo-2,3-dihydropyrimidin-4(1H)-one (CAS 1176104-56-5)
- 1-((1-Methyl-1h-pyrazol-3-yl)methyl)piperidin-4-amine (CAS 1260659-12-8)
- Insulin Pork(≥27 USP units/mg) (CAS 12584-58-6)
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