4-(4-Methyl-3-nitrophenyl)pyridine CAS 4373-63-1
| CAS No. | 4373-63-1 |
| Molecular Formula | C12H10N2O2 |
| Molecular Weight | 214.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-(4-Methyl-3-nitrophenyl)pyridine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
4-(4-Methyl-3-nitrophenyl)pyridine (CAS 4373-63-1), molecular formula C12H10N2O2 and molecular weight 214.22 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C12H10N2O2, 4-(4-Methyl-3-nitrophenyl)pyridine contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 214.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H10N2O2 |
| Molecular Weight | 214.22 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
Related Methyl Standards
- 2-Methyl-4-(3-nitrophenyl)pyridine (CAS 4385-82-4)
- 4-(2-methyl-4-nitrophenyl)pyridine (CAS 4422-30-4)
- 1-(4-Nitrophenyl)-1H-pyrazole-4-carbonitrile (CAS 102539-56-0)
- 1-(2-Nitrophenyl)-1H-pyrazole-4-carbonitrile (CAS 90947-37-8)
- 5-(2-Nitrophenyl)furan-2-carbonitrile (CAS 57666-58-7)
- 2-(3-Nitrophenyl)propanoyl chloride (CAS 156516-83-5)
- 2-(4-Nitrophenyl)-2-oxoacetyl chloride (CAS 105248-77-9)
- 3-Nitrophenyl dimethylphosphinate (CAS 59581-57-6)
Recommended Standards
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- 4-(6-Methylpyridazin-3-yl)benzoic acid (CAS 216060-24-1)
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- 1,2-Bis(4-fluorophenyl)ethane (CAS 458-76-4)
- 3-{(Z)-1-[2-(trifluoromethyl)anilino]ethylidene}dihydro-2-furanone (CAS 685108-57-0)
- 4-(2-(5-Methyl-2-(thiophen-2-yl)oxazol-4-yl)ethoxy)benzaldehyde (CAS 103789-62-4)
- Iron, chloro[[1,1′,1′′,1′′′-tetramethyl 4,4′,4′′,4′′′-(21H,23H-porphine-5,10,15,20-tetrayl-κN21,κN22,κN23,κN24)tetrakis[benzoato]](2-)]-, (SP-5-12)- (CAS 64413-48-5)
- 2-(1H-Benzo[d]imidazol-1-yl)acetyl chloride (CAS 157198-80-6)
- Peptide 6A (H-6905.0005) (CAS 73549-32-3)
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