4-Nitrophenol Sodium Salt CAS 824-78-2
| CAS No. | 824-78-2 |
| Molecular Formula | C6H4NO3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-Nitrophenol Sodium Salt.
CATO supplies 4-Nitrophenol Sodium Salt (CAS 824-78-2), a certified reference material (molecular formula C6H4NO3Na, MW 161.09 g/mol) for analytical method development and quality control.
Based on its molecular formula C6H4NO3Na, 4-Nitrophenol Sodium Salt 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 161.09 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.
CATO manufactures 4-Nitrophenol Sodium Salt under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H4NO3 Na |
| Molecular Weight | 161.09 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Related Nitrophenol Standards
- 5-Ethyl-2-nitrophenol (CAS 101664-28-2)
- 4-Nitrophenol 15N (CAS 103427-15-2)
- 4-Methyl-2-Nitrophenol (CAS 119-33-5)
- 3-Methyl-5-nitrophenol (CAS 127818-58-0)
- 2-Methyl-6-nitrophenol (CAS 13073-29-5)
- 3-Methyl-4-Nitrophenol (CAS 2581-34-2)
- 2-Ethyl-4-nitrophenol (CAS 34105-70-9)
- 4-Benzyl-2-nitrophenol (CAS 37021-63-9)
Recommended Standards
- Methyl 4,6-Dihydroxynicotinate (CAS 79398-27-9)
- 2',4'-Dimethoxy-[1,1'-biphenyl]-3-amine (CAS 728919-20-8)
- 2-((5-(4-(tert-Butyl)phenyl)-4-(4-methoxyphenyl)-4H-1,2,4-triazol-3-yl)thio)-N-(o-tolyl)acetamide (CAS 477313-64-7)
- Methyl 3,4-Dihydro-2H-pyran-6-carboxylate (CAS 129201-92-9)
- 6-(Trifluoromethyl)-1H-pyrrolo[3,2-b]pyridine-3-carboxylic acid (CAS 1190311-80-8)
- 2',6-Dibromo-3,4'-bipyridine (CAS 942206-16-8)
- 6-Methoxy-N,N-dimethylbenzo[d]thiazol-2-amine (CAS 75105-03-2)
- Chloropentafluoroacetone (CAS 79-53-8)
- Olopatadine lmpurity 61 (CAS CATO-C4X-171862)
- [y-Glu3]-Semaglutide Impurity 135 (CAS CATO-C4X-2226135)
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 18665070610 / Nicole.chen@cato-chem.com