4,4'-(Naphthalene-1,4-diyl)dianiline CAS 956980-39-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 956980-39-5 |
| Molecular Formula | C22H18N2 |
| Molecular Weight | 310.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4'-(Naphthalene-1,4-diyl)dianiline (CAS 956980-39-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H18N2. Molecular weight: 310.39 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C22H18N2 |
| Molecular Weight | 310.39 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
Related Naphthalene Standards
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- 4,4'-(Naphthalene-2,6-diyl)dianiline (CAS 2102499-82-9)
- 3-Methyl-2-(naphthalene-2-sulfonamido)butanoic acid (CAS 115239-41-3)
- naphthalene-1,4,5,8-tetracarboxylic acid (CAS 128-97-2)
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- Naphthalene-1,2,4-triyl triacetate (CAS 1785-67-7)
- (S)-1-(Naphthalene-2-sulfonyl)-piperidine-3-carboxylic acid (CAS 1187928-71-7)
Recommended Standards
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- 1,2-Bis(4-(tert-butyl)phenyl)ethane-1,2-dione (CAS 76471-78-8)
- N-(3-Hydroxypropyl)-5-methyl-1-(4-(3-(trifluoromethyl)phenyl)thiazol-2-yl)-1H-pyrazole-4-carboxamide (CAS 162112-37-0)
- 4-(4-Allylpiperazin-1-yl)-4-oxobutanoic acid (CAS 713521-74-5)
- Semaglutide Impurity 142 (CAS CATO-C4X-2226142)
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