5-(4-Fluorobenzyl)-3-(4-fluorophenyl)-8-methoxy-5H-pyrazolo[4,3-c]quinoline CAS 866589-79-9
| CAS No. | 866589-79-9 |
| Molecular Formula | C24H17F2N3O |
| Molecular Weight | 401.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-(4-Fluorobenzyl)-3-(4-fluorophenyl)-8-methoxy-5H-pyrazolo[4,3-c]quinoline meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
5-(4-Fluorobenzyl)-3-(4-fluorophenyl)-8-methoxy-5H-pyrazolo[4,3-c]quinoline (CAS 866589-79-9), molecular formula C24H17F2N3O and molecular weight 401.41 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-(4-Fluorobenzyl)-3-(4-fluorophenyl)-8-methoxy-5H-pyrazolo[4,3-c]quinoline (C24H17F2N3O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 401.41 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 | C24H17F2N3O |
| Molecular Weight | 401.41 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Fluorobenzyl Standards
- (1-(4-Fluorobenzyl)-4,4-dioxido-1H-benzo[e][1,3,4]thiadiazin-3-yl)(piperidin-1-yl)methanone (CAS 1251703-55-5)
- N-(3-(((4-fluorobenzyl)oxy)methyl)phenyl)-4-methoxybenzenesulfonamide (CAS 338392-89-5)
- N-((5-((2-((4-Fluorobenzyl)amino)-2-oxoethyl)thio)-1,3,4-oxadiazol-2-yl)methyl)benzamide (CAS 906154-96-9)
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- N-(4-Fluorobenzyl)-2-(5-(hydroxymethyl)-2-(phenethylthio)-1H-imidazol-1-yl)acetamide (CAS 921505-21-7)
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- 4-(1-(2-Fluorobenzyl)-1H-benzo[d]imidazol-2-yl)-1-(4-fluorophenyl)pyrrolidin-2-one (CAS 883645-50-9)
- Ethyl 3-(((((4-fluorobenzyl)oxy)amino)methylene)amino)-4-methoxythieno[2,3-b]pyridine-2-carboxylate (CAS 341966-70-9)
Recommended Standards
- 3-(Acridin-9-ylamino)-5-((ethoxycarbonyl)amino)benzoic acid (CAS 655238-62-3)
- 5-(6-Amino-3-(benzyloxy)-1-fluoronaphthalen-2-yl)-1,2,5-thiadiazolidin-3-one 1,1-dioxide (CAS 2655644-71-4)
- 2-Methoxyethyl 2-amino-4-(4-(methoxycarbonyl)phenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carboxylate (CAS 445266-45-5)
- Dimethyl 9-acetyl-1-phenyl-9H-carbazole-3,4-dicarboxylate (CAS 2347639-60-3)
- N-(4-hydroxycyclohexyl)methanesulfonamide (CAS 1157109-50-6)
- 3,5-Bis(perfluorohexyl)-1-(trifluoroacetyl)-1H- pyrazole (CAS 261761-08-4)
- 2-(Aminomethyl)-4-(difluoromethyl)-3-fluoropyridine-6-carboxylic acid (CAS 1805440-65-6)
- 3,3,3-Trifluoro-2-(trifluoromethyl)propionyl chloride (CAS 382-19-4)
- Methyl 2-morpholino-5-nitrobenzoate (CAS 83909-55-1)
- BENZYL 4-(2-METHOXYBENZOYL)PIPERAZINE-1-CARBOXYLATE (CAS 1795333-73-1)
- 4,6-Dibromo-2-(2-chloro-5-iodophenyl)benzo[d]oxazol-5-amine (CAS 637303-17-4)
- (4-Chloro-6-phenylpyrimidin-2-yl)methanamine hydrochloride (CAS 1240600-93-4)
- 3-(Chloromethyl)-5-(furan-2-yl)-1-methyl-1H-pyrazole (CAS 876316-48-2)
- Semaglutide Impurity 166 (CAS 1395881-03-4)
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