5-amino-7-(4-fluorobenzyl)-9-hydroxy-6H-pyrrolo[3,4-g]quinoline-6,8(7H)-dione CAS 915690-75-4
| CAS No. | 915690-75-4 |
| Molecular Formula | C18H12FN3O3 |
| Molecular Weight | 337.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-amino-7-(4-fluorobenzyl)-9-hydroxy-6H-pyrrolo[3,4-g]quinoline-6,8(7H)-dione is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
5-amino-7-(4-fluorobenzyl)-9-hydroxy-6H-pyrrolo[3,4-g]quinoline-6,8(7H)-dione (CAS 915690-75-4), molecular formula C18H12FN3O3 and molecular weight 337.30 g/mol, is a CATO reference standard with documented purity and traceability.
5-amino-7-(4-fluorobenzyl)-9-hydroxy-6H-pyrrolo[3,4-g]quinoline-6,8(7H)-dione (C18H12FN3O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
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 | C18H12FN3O3 |
| Molecular Weight | 337.30 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 4-[(2-methyl-5-nitrobenzenesulfonyl)oxy]benzoic acid (CAS 749216-12-4)
- N-(4-Oxo-3,4,5,6,7,8-hexahydroquinazolin-2-yl)-3-(trifluoromethyl)benzamide (CAS 338401-53-9)
- 3-(5-(4-Fluorophenyl)-1,2,4-oxadiazol-3-yl)-6-methoxyquinolin-2(1H)-one (CAS 714240-31-0)
- Roflumilast Impurity 38 (CAS CATO-C4X-108438)
- 2,5-Bis(phenylamino)terephthalic acid (CAS 10109-95-2)
- 4-Acetyl-4-methylheptanedioic acid (CAS 19830-09-2)
- tert-Butyl N-[(5S)-5-{[(9H-fluoren-9-ylmethoxy)carbonyl]-amino}-5-[methoxy(methyl)carbamoyl]pentyl]carbamate (CAS 151145-21-0)
- Imidazo[1,2-a]pyridine-7-carbohydrazide (CAS 421595-78-0)
- Losartan Impurity 54 (CAS 2904682-22-8)
- Benproperine Phosphate (CAS 19428-14-9)
- Phentolamine Mesylate (CAS 65-28-1)
- 2-(2-Methyl-1H-benzoimidazol-5-yl)-ethylamine dihydrochloride (CAS 1965309-28-7)
- Trilostane Impurity 1 (CAS CATO-C4X-21371)
- Neuropeptide VF (124-131) (human) (CAS 311309-27-0)
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