4-Nitroisoquinolin-1(2H)-one CAS 55404-29-0
| CAS No. | 55404-29-0 |
| Molecular Formula | C9H6N2O3 |
| Molecular Weight | 190.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
4-Nitroisoquinolin-1(2H)-one (CAS 55404-29-0), molecular formula C9H6N2O3 and molecular weight 190.16 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-Nitroisoquinolin-1(2H)-one (C9H6N2O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 190.16 g/mol, it falls into the medium-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C9H6N2O3 |
| Molecular Weight | 190.16 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.) | 1972 |
| Nitrogen Atoms | 2 |
Related Nitroisoquinolin Standards
- 3-Nitroisoquinolin-4-ol (CAS 36718-46-4)
- 4-Nitroisoquinolin-3-ol (CAS 669769-53-3)
- 5-Nitroisoquinolin-1(2H)-one (CAS 82827-08-5)
- 5-Nitroisoquinolin-3-ol (CAS 581813-27-6)
- 6-Nitroisoquinolin-1(2H)-one (CAS 928032-23-9)
- 7-Nitroisoquinolin-1(2H)-one (CAS 20141-83-7)
- 8-Nitroisoquinolin-1(2H)-one (CAS 216097-70-0)
- 8-Nitroisoquinolin-5-amine (CAS 156901-58-5)
Recommended Standards
- 4-Nitro-5-phenyl-2H-1,2,3-triazole (CAS 56745-99-4)
- 4-Nitro-3-phenylisoxazole (CAS 31301-41-4)
- 4-Nitroquinolin-3-ol (CAS 37487-46-0)
- 4-Hydroxy-6-nitroquinoline (CAS 23432-42-0)
- 2-Trifluoromethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole (CAS 837392-61-7)
- Mesocarb Hydroxysulfate (CAS 1372980-56-7)
- (2E)-N-(4-Chlorophenyl)-3-(furan-2-yl)prop-2-enamide (CAS 15341-87-4)
- 1-(2,2-Dimethyltetrahydro-2H-pyran-4-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole (CAS 313673-40-4)
- 5-(2-Chlorophenyl)-N-(2-methoxyphenyl)furan-2-carboxamide (CAS 199458-99-6)
- 4-Bromo-2-chloro-pyridine (CAS 73583-37-6)
- (6-amino-1,5-dimethyl-4,7-dioxo-1,1a,2,4,7,8,8a,8b-octahydroazireno[2',3':3,4]pyrrolo[1,2-a]indol-8-yl)methyl carbamate 37592-72-6 KST-1A4352 (CAS 37592-72-6)
- 4,4'-((2,5-Dimethyl-1,4-phenylene)bis(ethyne-2,1-diyl))dibenzoicacid (CAS 2098914-21-5)
- 4-Methyl-5-(m-tolyl)-1,2-dihydro-3h-pyrazol-3-imine (CAS 1093060-48-0)
- Myelin Basic Protein (85-99) Peptide Antagonist (CAS 444305-16-2)
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