8-Nitroquinoline-4-carboxylic acid CAS 121689-22-3
| CAS No. | 121689-22-3 |
| Molecular Formula | C10H6N2O4 |
| Molecular Weight | 218.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 8-Nitroquinoline-4-carboxylic acid 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.
8-Nitroquinoline-4-carboxylic acid (CAS 121689-22-3), molecular formula C10H6N2O4 and molecular weight 218.17 g/mol, is a CATO reference standard with documented purity and traceability.
8-Nitroquinoline-4-carboxylic acid (C10H6N2O4) 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 8-Nitroquinoline-4-carboxylic 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 | C10H6N2O4 |
| Molecular Weight | 218.17 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 2 |
Related Nitroquinoline Standards
- 5-Nitroquinoline-3-carboxylic acid (CAS 102312-48-1)
- 8-Nitroquinoline-2-carboxylic acid (CAS 15733-85-4)
- 8-Nitroquinoline-6-carboxylic acid (CAS 157915-07-6)
- 5-Nitroquinoline-4-carboxylic acid (CAS 157915-10-1)
- 3-Nitroquinoline-4-carboxylic acid (CAS 5466-50-2)
- 5-Nitroquinoline-2-carboxylic acid (CAS 525-47-3)
- 5-nitroquinoline-8-carboxylic acid (CAS 83848-59-3)
- 6-Nitroquinoline-2-carboxylic acid (CAS 30836-96-5)
Recommended Standards
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- Methyl 3-methyl-2-(trifluoromethyl)benzoate (CAS 1214378-85-4)
- 6-Oxo-2-(pyrazin-2-yl)-1,6-dihydropyrimidine-5-carboxylic acid (CAS 1239747-64-8)
- 2-[4-(chloromethyl)phenoxy]acetonitrile (CAS 112772-83-5)
- 7-Chlorofuro[3,4-c]pyridine (CAS 1211511-96-4)
- (S)-2-amino-2-(2-fluoro-4-(trifluoromethyl)phenyl)ethan-1-ol (CAS 1213075-55-8)
- N-(3-Amino-4-chlorophenyl)-4-fluorobenzamide (CAS 926249-00-5)
- (3-(4-Chlorophenoxy)phenyl)methanamine hydrochloride (CAS 1171023-50-9)
- 3-Chloro-2-(4H-1,2,4-triazol-4-yl)benzoic acid (CAS 1216168-77-2)
- 3-(Piperidin-1-yl)propane-1,2-diol (CAS 4847-93-2)
- 2-Chloro-N-((5-(thiophene-2-carbonyl)thiophen-2-yl)methyl)benzamide (CAS 1421528-09-7)
- (2-Nitrobenzyl)1,2,3,4-tetrahydronaphthalen-1-ylamine (CAS 355383-24-3)
- Des-Pro-Pro-Tirzepatide (CAS CATO-CPTD788696)
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