4-Pyridin-4-yl-3a,4,5,9b-tetrahydro-3H-cyclopenta-[c]quinoline-8-carboxylic acid 4190AE 485320-01-2 C18H16N2O2 CAS 485320-01-2
| CAS No. | 485320-01-2 |
| Molecular Formula | C18H16N2O2 |
| Molecular Weight | 292.33 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.
CATO supplies 4-Pyridin-4-yl-3a,4,5,9b-tetrahydro-3H-cyclopenta-[c]quinoline-8-carboxylic acid 4190AE 485320-01-2 C18H16N2O2 (CAS 485320-01-2), a certified reference material (molecular formula C18H16N2O2, MW 292.33 g/mol) for analytical method development and quality control.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, 4-Pyridin-4-yl-3a,4,5,9b-tetrahydro-3H-cyclopenta-[c]quinoline-8-carboxylic acid 4190AE 485320-01-2 C18H16N2O2 is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 292.33 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 4-Pyridin-4-yl-3a,4,5,9b-tetrahydro-3H-cyclopenta-[c]quinoline-8-carboxylic acid 4190AE 485320-01-2 C18H16N2O2 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.
Physical & Chemical Properties
| Molecular Formula | C18H16N2O2 |
| Molecular Weight | 292.33 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Related Pyridin Standards
- 4-(Pyridin-4-yl)-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinoline-8-carboxylic acid (CAS 1005086-70-3)
- Ethyl (4-(pyridin-2-yl)piperazine-1-carbonyl)glycinate (CAS 1023200-35-2)
- 4-(Pyridin-2-yl)-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinoline-8-carboxylic acid (CAS 1212166-37-4)
- 1,4-Bis(pyridin-2-ylmethoxy)benzene (CAS 219872-35-2)
- 1,4-Bis(pyridin-4-ylmethoxy)benzene (CAS 350251-62-6)
- 4-(Pyridin-3-yl)-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinoline-8-carboxylic acid (CAS 950187-45-8)
- N-(2-(Pyridin-4-yl)ethyl)-4-(1H-pyrrol-1-yl)picolinamide (CAS 1421473-67-7)
- 3-{[(pyridin-3-yl)methyl]sulfamoyl}benzoic acid (CAS 733031-16-8)
Recommended Standards
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- 7-Phenylazepan-2-one (CAS 25882-81-9)
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- Insulin Degludec Impurity 20 (CAS CATO-C4X-215720)
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