2-Methyl-4-nitroquinoline 1-oxide CAS 4831-62-3
| CAS No. | 4831-62-3 |
| Molecular Formula | C10H8N2O3 |
| Molecular Weight | 204.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Methyl-4-nitroquinoline 1-oxide (CAS 4831-62-3), molecular formula C10H8N2O3 and molecular weight 204.18 g/mol, is a CATO reference standard with documented purity and traceability.
2-Methyl-4-nitroquinoline 1-oxide (C10H8N2O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 2-Methyl-4-nitroquinoline 1-oxide 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 | C10H8N2O3 |
| Molecular Weight | 204.18 g/mol |
| Appearance | Pale yellow to 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
Related Methyl Standards
- 3-Methyl-4-nitroquinoline 1-Oxide (CAS 14073-00-8)
- 8-Methyl-4-nitroquinoline 1-oxide (CAS 14094-45-2)
- 6-Methyl-4-nitroquinoline 1-oxide (CAS 715-48-0)
- 2-Ethyl-3-nitroquinoline (CAS 676998-17-7)
- 3-Nitroquinoline-4,6-diol (CAS 855764-13-5)
- 5-Nitroquinoline-6-carbaldehyde (CAS 101327-85-9)
- 6-Nitroquinoline-5-carbaldehyde (CAS 101327-86-0)
- 8-Nitroquinoline-7-carbaldehyde, 97% (CAS 101327-87-1)
Recommended Standards
- 2-Methyl-4-nitroisoquinolin-1(2H)-one (CAS 33930-79-9)
- 2-Methyl-4-oxo-3,4-dihydroquinazoline-7-carboxylic acid (CAS 773057-18-4)
- 2-Methyl-4-(4-nitrophenyl)-1,3-oxazole (CAS 79965-75-6)
- 2-Methyl-4-oxo-4H-chromene-6-carboxylic acid (CAS 35784-16-8)
- 18a(H)-22,29,30-Trisnorneohopane (CAS 55199-72-9)
- 1-(Pyridin-3-yl)cyclohexanamine hydrochloride (CAS 1956318-78-7)
- 1-(2,5-Difluorophenyl)-2,2-dimethyl-1-propanol (CAS 765913-32-4)
- 2-(Bromomethyl)-5-methylpyridine hydrobromide (CAS 2089315-69-3)
- 2,3-Bis(2,6-diisopropylphenylimino)butane (CAS 74663-77-7)
- Suzetrigine Impurity 23 (CAS CATO-C4X-336923)
- 4-Fluoro-3-propoxybenzaldehyde (CAS 1379257-62-1)
- Ethyl 2-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-3-(dimethylamino)-3-oxopropanoate (CAS 338406-77-2)
- 3-(2,5-Dimethylphenyl)-5-ethyl-6-methyl-2-sulfanyl-3h,4h-thieno[2,3-d]pyrimidin-4-one (CAS 743452-24-6)
- Insulin Degludec Impurity 5 (CAS CATO-C4X-21575)
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