3-(1,3-Dioxo-2,3-dihydro-1H-inden-2-ylidene)-4,6-dioxo-5-phenyl-octahydropyrrolo[3,4-c]pyrrole-1-carboxylic acid CAS 321522-02-5
| CAS No. | 321522-02-5 |
| Molecular Formula | C22H14N2O6 |
| Molecular Weight | 402.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-(1,3-Dioxo-2,3-dihydro-1H-inden-2-ylidene)-4,6-dioxo-5-phenyl-octahydropyrrolo[3,4-c]pyrrole-1-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.
3-(1,3-Dioxo-2,3-dihydro-1H-inden-2-ylidene)-4,6-dioxo-5-phenyl-octahydropyrrolo[3,4-c]pyrrole-1-carboxylic acid (CAS 321522-02-5) is a high-purity analytical reference standard with the molecular formula C22H14N2O6 and a molecular weight of 402.36 g/mol.
Based on its molecular formula C22H14N2O6, 3-(1,3-Dioxo-2,3-dihydro-1H-inden-2-ylidene)-4,6-dioxo-5-phenyl-octahydropyrrolo[3,4-c]pyrrole-1-carboxylic acid contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 402.36 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 3-(1,3-Dioxo-2,3-dihydro-1H-inden-2-ylidene)-4,6-dioxo-5-phenyl-octahydropyrrolo[3,4-c]pyrrole-1-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 | C22H14N2O6 |
| Molecular Weight | 402.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Related Dioxo Standards
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Recommended Standards
- (2R,3R,4S,5R)-2-(6-Amino-9H-purin-9-yl)-5-(hydroxymethyl)-4-((2-nitrobenzyl)oxy)tetrahydrofuran-3-ol (CAS 73552-71-3)
- 1,2-Bis(di-2-pyridylphosphino)ethane (CAS 106308-26-3)
- (2R,3R,4R,5R)-5-(6-Amino-9H-purin-9-yl)-2-(hydroxymethyl)-4-((2-nitrobenzyl)oxy)tetrahydrofuran-3-ol (CAS 61517-73-5)
- Daunomycinone-13C,d3 (CAS 1217837-48-3)
- 1-(3-Bromophenyl)-3-oxocyclohexanecarbonitrile (CAS 1956341-56-2)
- (2-Chlorobenzyl)(4-chlorophenyl)sulfane (CAS 735327-53-4)
- 3-Phenyl-2-thioxo-2,3,6,7-tetrahydrothieno[3,2-d]pyrimidin-4(1H)-one (CAS 1022363-09-2)
- 4-[1-(Aminomethyl)cyclopropyl]oxan-4-ol (CAS 1860790-55-1)
- 2-bromo-4-(4-bromophenyl)-1-butene (CAS 138624-01-8)
- 2-(4-Bromo-2-fluoro-5-methylphenoxy)acetonitrile (CAS 2270913-02-3)
- 2-(3-Hydroxyphenyl)cyclopropane-1-carboxylic acid (CAS 1267818-20-1)
- 2-Cyano-1-methyl-1H-Indole-3-acetic acid (CAS 287199-76-2)
- Methyl 2-methyl-3-(5-methyl-3-nitro-1h-pyrazol-1-yl)propanoate (CAS 1005641-08-6)
- Tirzepatide Impurity 51 (CAS CATO-C4X-324051)
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