(E)-2,2'-(Ethene-1,2-diyl)dianiline CAS 28096-87-9
| CAS No. | 28096-87-9 |
| Molecular Formula | C14H14N2 |
| Molecular Weight | 210.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(E)-2,2'-(Ethene-1,2-diyl)dianiline (CAS 28096-87-9), molecular formula C14H14N2 and molecular weight 210.27 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of (E)-2,2'-(Ethene-1,2-diyl)dianiline (C14H14N2) is characterized by a nitrogen-containing heterocyclic scaffold, a nitrile group. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C14H14N2 |
| Molecular Weight | 210.27 g/mol |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Nitrogen Atoms | 2 |
Related E Standards
- (E)-4,4'-(Ethene-1,2-diyl)dianiline (CAS 7314-06-9)
- (Z)-4,4'-(Ethene-1,2-diyl)dianiline (CAS 34321-29-4)
- 2,2'-(Ethene-1,2-diyl)dianiline (CAS 617-20-9)
- (E)-4,4'-(Ethene-1,2-diyl)diphenol (CAS 15058-36-3)
- (Z)-4,4'-(Ethene-1,2-diyl)diphenol (CAS 29884-51-3)
- 4,4'-(Ethene-1,1-diyl)diphenol (CAS 46699-50-7)
- 4,4'-(Ethene-1,2-diyl)diphenol (CAS 659-22-3)
- 4,4'-(Ethene-1,2-diyl)bis(1-methylpyridin-1-ium) (CAS 41491-90-1)
Recommended Standards
- (E)-2-(But-2-enoyl)-1-ethyl-5,5-dimethylpyrazolidin-3-one (CAS 365456-23-1)
- (E)-3-quinoxalin-2-ylprop-2-enoic acid (CAS 754190-57-3)
- (E)-1,2-Di-p-tolyldiazene (CAS 21650-54-4)
- (5-(Tert-butyl)-2-hydroxy-1,3-phenylene)dimethanol (CAS 2203-14-7)
- 8-Bromo-6-methoxy-2-methyl-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 1092352-94-7)
- 4-Fluoro-3-nitro-1H-pyrrolo[2,3-c]pyridine (CAS 1190323-04-6)
- n-Propylacetamide (CAS 5331-48-6)
- 2-Bromo-6-methoxybenzo[b]thiophene 1,1-dioxide (CAS 862081-98-9)
- Ethyl 2-(1,2,3,4-tetrahydroisoquinolin-1-yl)acetate (CAS 1424-84-6)
- 2-chloro-1-(3-oxabicyclo[3.1.0]hexan-6-yl)ethanone (CAS 1858653-54-9)
- 2-Amino-6-methyl-4,5,6,7-tetrahydro-benzo[b]thiophene-3-carbonitrile (CAS 42225-04-7)
- 4-(4-bromo-2-methylphenoxy)-N-methylpyridine-2-carboxamide (CAS 1474063-45-0)
- [S(R)]-N-((1S)-1-(2-(Diphenylphosphino)phenyl)-2,2-dimethylpropyl)-N,2-dimethyl-2-propanesulfinamide (CAS 2454167-14-5)
- Semaglutide Impurity 124 (CAS CATO-C4X-2226124)
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