3-Methyl-2-nitrobenzoic Acid CAS 5437-38-7
| CAS No. | 5437-38-7 |
| Molecular Formula | C8H7NO4 |
| Molecular Weight | 181.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 181.15 g/mol gives 3-Methyl-2-nitrobenzoic Acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 3-Methyl-2-nitrobenzoic Acid (CAS 5437-38-7), a certified reference material (molecular formula C8H7NO4, MW 181.15 g/mol) for analytical method development and quality control.
Based on its molecular formula C8H7NO4, 3-Methyl-2-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 181.15 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 3-Methyl-2-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 | C8H7NO4 |
| Molecular Weight | 181.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | >95% |
| 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.) | 1958 |
| Nitrogen Atoms | 1 |
Related Methyl Standards
- 3-Methyl-5-nitrobenzoic Acid (CAS 113882-33-0)
- 4-Methyl-2-nitrobenzoic Acid (CAS 27329-27-7)
- 4-methyl-3-nitrobenzoic acid (CAS 96-98-0)
- 2-Methyl-5-nitrobenzoic Acid (CAS 1975-52-6)
- 3-Methyl-4-nitrobenzoic Acid (CAS 3113-71-1)
- 5-Methyl-2-nitrobenzoic Acid (CAS 3113-72-2)
- 4-Nitrobenzoic-d (CAS 171777-66-5)
- 2-Nitrobenzoic-d4 Acid (CAS 855997-63-6)
Recommended Standards
- 5-Aminoisophthalic Acid (CAS 99-31-0)
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- 5-Fluoro-6-methoxyisoindolin-1-one (CAS 1007455-24-4)
- Ethyl 3-(2-(3-cyclopropyl-5-(trifluoromethyl)-1h-pyrazol-1-yl)ethyl)-1,2,4-oxadiazole-5-carboxylate (CAS 1170977-40-8)
- 2,2-Dimethyl-2,3,5,6-tetrahydro-1'H-spiro[pyran-4,2'-quinazolin]-4'(3'H)-one (CAS 1245569-00-9)
- 4-Methoxy-3,5-diphenylfuran-2(5H)-one (CAS 7596-43-2)
- 2,2'-(Pyrene-1,8-diylbis(ethyne-2,1-diyl))bis(propan-2-ol) (CAS 863643-48-5)
- 5,6-Dimethyl-[1,2,5]oxadiazolo[3,4-b]pyrazine (CAS 820250-52-0)
- Ethyl 2-(isoquinolin-7-yl)acetate (CAS 1261630-01-6)
- tert-Butyl 4-(2,2-dimethyl-4,6-dioxo-1,3-dioxan-5-ylidene)piperidine-1-carboxylate (CAS 796113-35-4)
- Adenylyl-imidodiphosphate,tetralithiumsalt (CAS 72957-42-7)
- tert-Butyl prop-2-yn-1-yl(2-(trifluoromethyl)pyridin-4-yl)carbamate (CAS 2408199-30-2)
- Semaglutide Impurity 164 (CAS CATO-C4X-2226164)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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