5-(2-Fluorobenzyl)-8-methoxy-3-(4-methoxyphenyl)-5H-pyrazolo[4,3-c]quinoline CAS 866349-45-3
| CAS No. | 866349-45-3 |
| Molecular Formula | C25H20FN3O2 |
| Molecular Weight | 413.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
5-(2-Fluorobenzyl)-8-methoxy-3-(4-methoxyphenyl)-5H-pyrazolo[4,3-c]quinoline (CAS 866349-45-3), molecular formula C25H20FN3O2 and molecular weight 413.44 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution, 5-(2-Fluorobenzyl)-8-methoxy-3-(4-methoxyphenyl)-5H-pyrazolo[4,3-c]quinoline is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 413.44 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures 5-(2-Fluorobenzyl)-8-methoxy-3-(4-methoxyphenyl)-5H-pyrazolo[4,3-c]quinoline 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 | C25H20FN3O2 |
| Molecular Weight | 413.44 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 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
- 5-(4-Fluorobenzyl)-8-methoxy-3-(4-methoxyphenyl)-5H-pyrazolo[4,3-c]quinoline (CAS 866347-48-0)
- 2-((4-Fluorobenzyl)thio)-5-(1-methyl-3-(trifluoromethyl)-1H-thieno[2,3-c]pyrazol-5-yl)-1,3,4-oxadiazole (CAS 478080-24-9)
- 5-((2-Fluorobenzyl)oxy)-2-((4-(furan-2-carbonyl)piperazin-1-yl)methyl)-4H-pyran-4-one (CAS 898440-23-8)
- 5-((3-Fluorobenzyl)oxy)-2-((4-(furan-2-carbonyl)piperazin-1-yl)methyl)-4H-pyran-4-one (CAS 898420-94-5)
- 4-(4-Fluorobenzyl)-3-((4-nitrobenzyl)thio)-5-(trifluoromethyl)-4H-1,2,4-triazole (CAS 294853-30-8)
- 5-(4-((3-Fluorobenzyl)oxy)-3-iodophenyl)-1,3,4-oxadiazol-2-amine (CAS 1706448-66-9)
- 4-((1-(3-Fluorobenzyl)-1H-indazol-5-yl)amino)-5-methylpyrrolo[2,1-f][1,2,4]triazine-6-carboxylic acid (CAS 856667-80-6)
- 2-((2-Fluorobenzyl)thio)-5-(4-(2-methoxyphenyl)piperazin-1-yl)-1,3,4-thiadiazole (CAS 1105222-96-5)
Recommended Standards
- 4-Phenyl-2-(2-(pyrrolidin-1-yl)ethyl)-6-(3-(trifluoromethyl)phenyl)pyridazin-3(2H)-one (CAS 23419-43-4)
- 4-Methyl-N-(7-(5-methylfuran-2-carbonyl)-2,3-dihydrobenzo[b][1,4]dioxin-6-yl)benzenesulfonamide (CAS 886493-73-8)
- Piperidine Impurity 1 (CAS 1463453-46-4)
- 4-(((4-(2-Methoxyphenoxy)phenyl)sulfonamido)methyl)benzoic acid (CAS 885268-84-8)
- 652145-28-3 [(5Z)-5-({4-[4-(2,2-Diphenylethenyl)phenyl]-1,2,3,3a,4,8b-hexahydrocyclopenta[b]indol-7-yl}methylidene)-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]acetic acid DTXSID70728325 (CAS 652145-28-3)
- 2-(Difluoromethyl)-5-hydroxy-3-iodopyridine-4-carboxaldehyde (CAS 1805617-85-9)
- O-Benzyl-N-tert-butoxycarbonyl ω-Hydroxy Norfentanyl (CAS 1346604-01-0)
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- 4-Bromo-2-(difluoromethyl)-3-(trifluoromethoxy)aniline (CAS 1807197-34-7)
- 5-fluoro-7-methyl-indoline (CAS 954276-37-0)
- 5,6-Dibromo-2-(2,4-dichlorophenyl)-1,3-dioxepane (CAS 317820-37-4)
- 2-[1-(Morpholin-4-yl)ethyl]-3,4-dihydroquinazolin-4-one (CAS 866009-93-0)
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- (Asn5)-Delta-Sleep Inducing Peptide (H-2555.0005) (CAS 80064-67-1)
Why CATO?
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