5-Amino-2-methyl-4-nitrophenol CAS 37066-92-5
| CAS No. | 37066-92-5 |
| Molecular Formula | C7H8N2O3 |
| Molecular Weight | 168.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-Amino-2-methyl-4-nitrophenol is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
5-Amino-2-methyl-4-nitrophenol (CAS 37066-92-5) is a high-purity analytical reference standard with the molecular formula C7H8N2O3 and a molecular weight of 168.15 g/mol.
Based on its molecular formula C7H8N2O3, 5-Amino-2-methyl-4-nitrophenol 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 168.15 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 5-Amino-2-methyl-4-nitrophenol 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 | C7H8N2O3 |
| Molecular Weight | 168.15 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 5-Acetyl-6-methylpyrimidine-2,4(1H,3H)-dione (CAS 22293-60-3)
- 5-Amino-3-methyl-6,7-dihydroisoxazolo[5,4-d]pyrimidin-4(5H)-one (CAS 344777-11-3)
- 5-Acetyl-6-hydroxy-2-methylpyrimidin-4(1H)-one (CAS 497876-44-5)
- 5-Amino-4-methyl-2-nitrophenol (CAS 2055119-24-7)
- 2-Phenyl-2-(phenylthio)acetohydrazide (CAS 32121-53-2)
- 1-Butyl-1-methylpyrrolidinium Hexafluorophosphate (CAS 330671-29-9)
- 3-(Aminomethyl)pentanoic acid (CAS 131683-06-2)
- 6,6'-Dibromodi(2-octyldodecyl)isoindigo (CAS 1263379-85-6)
- Cyclotraxin B (CAS 1203586-72-4)
- 3-(2,3-dihydro-1,4-benzodioxin-6-yl)-1H-1,2,4-triazol-5-amine (CAS 1092294-05-7)
- Ethyl 2-amino-5,7-dimethylbenzofuran-3-carboxylate (CAS 34859-69-3)
- 1-{pyrrolo[2,1-f][1,2,4]triazin-5-yl}propan-2-one (CAS 1516253-36-3)
- 1-(Pyridin-2-yl)indolizine-3-carbaldehyde (CAS 66446-45-5)
- Semaglutide impurity 30 (CAS CATO-C4X-222630)
Why CATO?
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