2-Hydroxy-5-methyl-3-nitrobenzoic acid CAS 59672-93-4
| CAS No. | 59672-93-4 |
| Molecular Formula | C8H7NO5 |
| Molecular Weight | 197.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C8H7NO5, 2-Hydroxy-5-methyl-3-nitrobenzoic acid 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 197.14 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
2-Hydroxy-5-methyl-3-nitrobenzoic acid (CAS 59672-93-4) is a high-purity analytical reference standard with the molecular formula C8H7NO5 and a molecular weight of 197.14 g/mol.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 2-Hydroxy-5-methyl-3-nitrobenzoic acid 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 | C8H7NO5 |
| Molecular Weight | 197.14 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 |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Nitrogen Atoms | 1 |
Related Hydroxy Standards
- 2-Hydroxy-2-(4-nitrophenyl)acetic acid (CAS 10098-39-2)
- Methyl 2-hydroxy-6-nitrobenzoate (CAS 1261504-50-0)
- 2-(3-Hydroxy-5-nitrophenyl)acetic acid (CAS 1261746-17-1)
- Methyl 2-hydroxy-4-nitrobenzoate, 97% (CAS 13684-28-1)
- 2-Hydroxy-6-(methoxycarbonyl)isonicotinic acid (CAS 1373959-10-4)
- 4-Hydroxy-6-(methoxycarbonyl)picolinic acid (CAS 1374754-19-4)
- 6-Hydroxy-4-(methoxycarbonyl)picolinic acid (CAS 1393531-84-4)
- 2-(3-Hydroxy-4-nitrophenyl)acetic acid (CAS 152148-79-3)
Recommended Standards
- 2-Hydroxy-4-methylpyridine-3,5-dicarboxylic acid (CAS 341029-19-4)
- 2-Hydroxy-6-methyl-3-nitrobenzoic acid (CAS 654684-13-6)
- 2-Hydroxy-4-methoxy-5-nitrobenzaldehyde (CAS 6615-24-3)
- 2-Methoxy-3-nitrobenzoic acid (CAS 40751-88-0)
- 3-Carbamoyl-1,2,2-trimethylcyclopentanecarboxylic acid (CAS 6785-98-4)
- 3-Hydroxy-N,N-dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzamide (CAS 1605331-71-2)
- 6-Cyano-2-fluoronicotinic acid (CAS 1803788-14-8)
- 5-Cyanobicyclo[3.1.1]Heptane-1-carboxylic acid (CAS 2092357-38-3)
- 2-(2,6-Dimethylmorpholin-4-yl)-5-(ethylsulphonyl)nitrobenzene 4-[4-(2,6-Dimethylmorpholin-4-yl)-3-nitrophenyl] ethyl sulphone 4-[4-(ethanesulfonyl)-2-nitrophenyl]-2,6-dimethylmorpholine 942474-22-8 (CAS 942474-22-8)
- Dehydroacetic acid sodium salt (CAS 4418-26-2)
- N-(1-aminopropan-2-yl)-2,2,2-trifluoroacetamide (CAS 78585-39-4)
- 2-(4-Bromo-3-methylphenyl)acetaldehyde (CAS 109346-80-7)
- 1-(2,2,2-Trifluoroethyl)-1H-pyrazole-4-carboxamide (CAS 1443279-08-0)
- Peptide T (CAS 106362-32-7)
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