7-Oxo-7H-benzimidazo[2,1-α]benz[de]isoquinoline-3-carboxylic Acid CAS 52029-86-4
| CAS No. | 52029-86-4 |
| Molecular Formula | C19H10N2O3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 7-Oxo-7H-benzimidazo[2,1-α]benz[de]isoquinoline-3-carboxylic Acid is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
7-Oxo-7H-benzimidazo[2,1-α]benz[de]isoquinoline-3-carboxylic Acid (CAS 52029-86-4), molecular formula C19H10N2O3C2H4O2 and molecular weight 374.35 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 7-Oxo-7H-benzimidazo[2,1-α]benz[de]isoquinoline-3-carboxylic Acid (C19H10N2O3C2H4O2) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 16.0, corresponding to approximately 16 ring(s) or double-bond equivalent(s). With a molecular weight of 374.35 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 7-Oxo-7H-benzimidazo[2,1-α]benz[de]isoquinoline-3-carboxylic Acid 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 | C19H10N2O3 C2H4O2 |
| Molecular Weight | 374.35 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
| Nitrogen Atoms | 2 |
Recommended Standards
- N-[(8α,9S)-6'-Methoxycinchonan-9-yl]-N'-[[(1R,4aS,10aR)-1,2,3,4,4a,9,10,10a-octahydro-1,4a-dimethyl-7-(1-methylethyl)-1-phenanthrenyl]methyl]thiourea (CAS 1311961-50-8)
- 1-[(4-methoxyphenyl)methyl]azetidine-3-carboxylic acid (CAS 1127402-49-6)
- 1-(3-Methoxy-5,5-dimethyl-2,5-dihydro-1H-1,2,4-triazol-1-yl)ethanone (CAS 118807-32-2)
- Ilaprazole Impurity 126 (CAS CATO-C4X-1130126)
- 23-(9-Mercaptononyl)-3,6,9,12,15,18,21-heptaoxatricosanoic Acid (CAS 221222-49-7)
- 5-Bromobenzo[b]thiophene-2,3-dione (CAS 50891-90-2)
- (R)-4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydro-1H-inden-1-amine (CAS 2088745-34-8)
- 4-(Aminomethyl)-2-cyano-3-fluorobenzene-1-sulfonyl chloride (CAS 1805402-24-7)
- 2-(Difluoromethyl)-4-fluoro-3-methylpyridine-5-sulfonamide (CAS 1807127-23-6)
- Liraglutide Impurity 13 TFA Salt (CAS CATO-C4X-199213)
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