3-Methyl-4-nitrobenzoic Acid CAS 3113-71-1
| CAS No. | 3113-71-1 |
| 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-4-nitrobenzoic Acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Methyl-4-nitrobenzoic Acid (CAS 3113-71-1), molecular formula C8H7NO4 and molecular weight 181.15 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H7NO4, 3-Methyl-4-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. 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 3-Methyl-4-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.) | 1957 |
| 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-2-nitrobenzoic Acid (CAS 5437-38-7)
- 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)
- 5-Fluoro-6-methoxyisoindolin-1-one (CAS 1007455-24-4)
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- N-(8-fluoro-3,4-dihydro-2H-1-benzopyran-4-ylidene)hydroxylamine (CAS 1018978-81-8)
- 2-(4-Chlorophenyl)-1,2,3,4-tetrahydroquinolin-4-amine (CAS 1956377-12-0)
- 1398503-83-7 4-(Methoxy-d3)phenylboronic acid (CAS 1398503-83-7)
- 2-(3-Iodophenyl)-2-oxoacetic acid (CAS 26767-04-4)
- tert-Butyl (E)-(3-fluoro-2-(hydroxymethyl)allyl)carbamate (CAS 1478364-91-8)
- 1-(o-tolyl)hexahydropyrimidine-2,4-dione (CAS 23947-49-1)
- (2-Amino-2-methyl-propyl)-carbamic acid benzyl ester (CAS 156892-82-9)
- 5-Cyclopropoxy-2-iodo-4-(methylthio)pyridine (CAS 1243453-86-2)
- (2R)-tetrahydropyran-2-carbaldehyde (CAS 1067639-96-6)
- 7-Chloroquinoline-4-sulfonyl chloride (CAS 1134937-73-7)
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