4,4'-(1,4-Phenylenebis(methylene))dianiline CAS 2811-55-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2811-55-4 |
| Molecular Formula | C20H20N2 |
| Molecular Weight | 288.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4'-(1,4-Phenylenebis(methylene))dianiline (CAS 2811-55-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H20N2. Molecular weight: 288.39 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C20H20N2 |
| Molecular Weight | 288.39 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.) | 1957 |
| Nitrogen Atoms | 2 |
Related Phenylenebis Standards
- 2,2'-[1,4-Phenylenebis(oxy)]bis-propanoic Acid Dimethyl Ester (CAS 85977-51-1)
- 1,2-Phenylenebis(phenylmethanone) (CAS 1159-86-0)
- 2,2'-(((1,4-Phenylenebis(oxy))bis(ethane-2,1-diyl))bis(oxy))bis(ethan-1-ol) (CAS 35648-87-4)
- 3,3'-(1,4-Phenylenebis(oxy))dianiline (CAS 59326-56-6)
- 4,4'-(1,2-Phenylenebis(oxy))dianiline (CAS 49860-97-1)
- 4,4'-(1,3-Phenylenebis(oxy))diphenol (CAS 126716-90-3)
- 4,4'-(1,4-Phenylenebis(oxy))diphenol (CAS 15051-26-0)
- 3,3'-(1,4-Phenylenebis(oxy))diphenol (CAS 5085-95-0)
Recommended Standards
- 3-Ethyl-6-phenyl-2-sulfanyl-3h,4h-thieno[2,3-d]pyrimidin-4-one (CAS 610275-61-1)
- 4-Amino-6-(methylthio)-2-((phenylthio)methyl)pyrimidine-5-carbonitrile (CAS 265314-47-4)
- 3,4-Dihydro-1(2H)-naphthalenone azine (CAS 66575-46-0)
- 1-tert-Butyl 2-methyl (2R,4R)-4-hydroxypiperidine-1,2-dicarboxylate (CAS 321744-25-6)
- 2-cyclobutylpyrimidin-4-ol (CAS 1159816-67-7)
- 2-Chloro-n-(2-cyano-2-methylethyl)-n-ethylacetamide (CAS 1184272-17-0)
- 4-{[(3,5-Dimethylphenyl)(methylsulfonyl)amino]methyl}benzoic acid (CAS 1092022-18-8)
- 5-(Benzo[d][1,3]dioxol-5-yl)-1H-imidazol-2-amine (CAS 1215987-59-9)
- 2,2-Diethylhexanoic Acid (CAS 4528-37-4)
- 1-His-N-a-ethylidene Semaglutide (CAS CATO-C4X-2226252)
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