4-[(E)-2-(2-Nitrophenyl)vinyl]pyridine CAS 138457-93-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 138457-93-9 |
| Molecular Formula | C13H10N2O2 |
| Molecular Weight | 226.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-[(E)-2-(2-Nitrophenyl)vinyl]pyridine (CAS 138457-93-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H10N2O2. Molecular weight: 226.23 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H10N2O2 |
| Molecular Weight | 226.23 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 2 |
Related E Standards
- (E)-1-(4-nitrophenyl)-N-phenylmethanimine (CAS 1614-00-2)
- N-(4-Nitrophenyl)diethanolamine (CAS 18226-17-0)
- 2-[(E)-2-(4-Nitrophenyl)vinyl]pyridine (CAS 24470-06-2)
- 4-[(E)-2-(4-Nitrophenyl)vinyl]pyridine (CAS 7372-12-5)
- 2-((2-Nitrophenyl)sulfonyl)acetonitrile (CAS 100559-85-1)
- 2-(4-Nitrophenyl)pyrimidine-5-carbonitrile (CAS 1447606-55-4)
- 1-(4-Nitrophenyl)cyclopropanecarbonyl chloride (CAS 422280-36-2)
- 1-Ethyl-3-(3-nitrophenyl)thiourea (CAS 347909-46-0)
Recommended Standards
- 1-(3,3-Bis(hydroxymethyl)cyclobutyl)pyrimidine-2,4(1H,3H)-dione (CAS 138420-49-2)
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- Leucomalachite Green (CAS 129-73-7)
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- 5-amino-1H-indole-3-carbonitrile (CAS 159768-57-7)
- 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)indolin-2-one (CAS 1150271-44-5)
- 1-(3-Methylbenzo[d]isoxazol-5-yl)ethanone (CAS 1414969-09-7)
- 3-Methoxy-2-(methoxycarbonyl)benzoic acid (CAS 60314-08-1)
- Insulin Degludec Impurity 13 (CAS CATO-C4X-215713)
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