4-Oxo-1,2-dihydro-4H-pyrrolo[3,2,1-ij]quinoline-5-carbaldehyde CAS 386715-47-5
| CAS No. | 386715-47-5 |
| Molecular Formula | C12H9NO2 |
| Molecular Weight | 199.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Oxo-1,2-dihydro-4H-pyrrolo[3,2,1-ij]quinoline-5-carbaldehyde (C12H9NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, 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.
CATO supplies 4-Oxo-1,2-dihydro-4H-pyrrolo[3,2,1-ij]quinoline-5-carbaldehyde (CAS 386715-47-5), a certified reference material (molecular formula C12H9NO2, MW 199.21 g/mol) for analytical method development and quality control.
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.
As a certified reference material (CRM), 4-Oxo-1,2-dihydro-4H-pyrrolo[3,2,1-ij]quinoline-5-carbaldehyde 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 | C12H9NO2 |
| Molecular Weight | 199.21 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Related Oxo Standards
- 1,3-Dihydro-3-methyl-2H-imidazo[4,5-f]quinolin-2-one 144486-08-8 2-Hydroxy-IQ 3-Methyl-2-hydroxy-3H-imidazo[4,5-f]quinoline (CAS 144486-08-8)
- 2-(2,3-Dihydro-1h-1,3-benzodiazol-2-ylidene)-3-oxobutanenitrile (CAS 301344-08-1)
- 2,3-Dihydro-1H-pyrano[3,2-f]quinolin-1-one (CAS 5252-47-1)
- 4-Oxo-1,2-dihydro-4H-pyrrolo[3,2,1-ij]quinoline-6-carbaldehyde (CAS 889951-29-5)
- 5-methyl-3,5-dihydro-4H-pyridazino[4,5-b]indol-4-one (CAS 73918-69-1)
- (5,6-Dihydro-1,4-dioxin-2-yl)(morpholino)methanone (CAS 1240823-73-7)
- 3,4-Dihydro-2H-benzo[b][1,4,5]oxathiazepine 1,1-dioxide, 97% (CAS 1799973-91-3)
- 2,3-Dihydro-1H-pyrrolo[2,3-b]pyridine-1-sulfonamide (CAS 1882065-27-1)
Recommended Standards
- 4-Methyl-1,3,5-triazino[1,2-a]benzimidazol-2-amine (CAS 78650-16-5)
- 4-methyl[1,2,4]triazino[4,5-a]indol-1(2H)-one (CAS 37574-74-6)
- 4-Oxospiro[chromane-3,1'-cyclopropane]-2'-carbonitrile (CAS 400083-18-3)
- 4-Methoxy-2-(1H-pyrrol-1-yl)nicotinonitrile (CAS 338412-19-4)
- Benzo[e]pyrene-d12 (CAS 205440-82-0)
- N-Hydroxy-2-aminofluorene (CAS 53-94-1)
- 1-(2-(3-Methylpyridin-4-yl)pyrrolidin-1-yl)ethanone (CAS 1352530-79-0)
- cyclohexyl 2-phenylacetate (CAS 42288-75-5)
- 2-Quinoxalinyl diethyl phosphate (CAS 13593-09-4)
- 6-(4-(Ethylthio)phenyl)nicotinaldehyde (CAS 924818-06-4)
- (4E)-4-{[(4,6-dimethylpyrimidin-2-yl)amino]methylidene}-2-phenyl-4,5-dihydro-1,3-oxazol-5-one (CAS 116306-63-9)
- 1-Benzothiophen-6-ol (CAS 19301-39-4)
- 2-Methyl-3-phenylbenzoic Acid-d5 Methyl Ester (CAS 1329835-46-2)
- (DTyr27,36,DThr32)-Neuropeptide Y (27-36) (CAS 163887-48-7)
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