8-Nitroisoquinoline CAS 7473-12-3
| CAS No. | 7473-12-3 |
| Molecular Formula | C9H6N2O2 |
| Molecular Weight | 174.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H6N2O2, 8-Nitroisoquinoline 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 174.16 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).
8-Nitroisoquinoline (CAS 7473-12-3), molecular formula C9H6N2O2 and molecular weight 174.16 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
Physical & Chemical Properties
| Molecular Formula | C9H6N2O2 |
| Molecular Weight | 174.16 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 DMSO, DMF, methanol |
| 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.) | 1959 |
| Nitrogen Atoms | 2 |
Related Nitroisoquinoline Standards
- 7-Nitroisoquinoline (CAS 13058-73-6)
- 1-Nitroisoquinoline (CAS 19658-76-5)
- 3-Nitroisoquinoline (CAS 203988-06-1)
- 4-Nitroisoquinoline (CAS 36073-93-5)
- 6-Nitroisoquinoline (CAS 70538-57-7)
- 8-Methyl-5-nitroisoquinoline (CAS 1050267-63-4)
- 3-Methyl-5-nitroisoquinoline (CAS 18222-17-8)
- 6-Methyl-5-nitroisoquinoline (CAS 188121-31-5)
Recommended Standards
- 8-Hydroxyquinoxaline-2-carbaldehyde (CAS 394223-67-7)
- Tolylene-2,4-diisocyanate (CAS 584-84-9;26006-20-2)
- 7-Oxo-7,8-dihydro-1,8-naphthyridine-2-carbaldehyde (CAS 959617-00-6)
- N-(4-Pyridyl)maleimide (CAS 7300-95-0)
- Tert-butyl glycylglycinate (CAS 14664-05-2)
- 2-Methyl-6-nitropyrazolo[1,5-a]pyrimidine (CAS 80772-95-8)
- Vilazodone Impurity 42 (CAS 1602487-82-0)
- (1,2,3,4-Tetrahydronaphthalen-2-yl)methanamine (CAS 129280-17-7)
- 3-((Ethylamino)methyl)aniline (CAS 865291-60-7)
- 6-Oxo-6-(4-n-propoxyphenyl)hexanoic acid (CAS 898792-12-6)
- (R)-2-(4-Fluorobenzyl)piperazine (CAS 1240587-37-4)
- 6-(methylsulfamoyl)pyridine-3-carboxylic acid (CAS 1334486-38-2)
- 1-(1-Isopropyl-1H-pyrazol-5-yl)-N-((1-propyl-1H-pyrazol-5-yl)methyl)methanamine hydrochloride (CAS 1856026-06-6)
- Vialox Peptide(Pentapeptide-3) diacetate (CAS 725232-44-0)
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