1,3-Dioxo-2-(pyridin-4-yl)isoindoline-5-carboxylic acid CAS 328265-52-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 328265-52-7 |
| Molecular Formula | C19H12N2O3 |
| Molecular Weight | 316.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 1,3-Dioxo-2-(pyridin-4-yl)isoindoline-5-carboxylic acid (CAS 328265-52-7) pharmaceutical standards reference standard. Molecular formula: C19H12N2O3. Molecular weight: 316.31 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C19H12N2O3 |
| Molecular Weight | 316.31 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Related Dioxo Standards
- (S)-2-[(3,5-Dioxo-2,3,4,5-tetrahydro-1,2,4-triazin-6-yl)amino]-N’-(3-methylbenzylidene)propanehydrazide (CAS 354577-32-5)
- Methyl 1,1-dioxo-3-phenyl-4h-1,2,4-benzothiadiazine-7-carboxylate (CAS 1210774-95-0)
- Benzyl 8,10-dioxo-3,9-diazaspiro[5.5]undecane-3-carboxylate (CAS 1061742-33-3)
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Recommended Standards
- 1,2,3,7-Tetramethoxyxanthone (CAS 22804-52-0)
- 1-Nitro-8-phenoxyacridine (CAS 57580-69-5)
- 1,10-Dioxa-4,7,13,16-tetraazacyclooctadecane-5,6,14,15-tetraone (CAS 66086-53-1)
- 7-Fluoro-4-methylindolin-2-one (CAS 1360930-20-6)
- 6-Fluoro-2-methyl-3,4-dihydroisoquinolin-1(2H)-one (CAS 1195255-07-2)
- Methyl 2,3-difluorobenzoate (CAS 18355-74-3)
- GSK-J4 Hydrochloride (CAS 1797983-09-5)
- 2-(4-Ethylphenyl)butanoic acid (CAS 1082453-43-7)
- Ganirelix(1-3)Impurity (CAS 129225-22-5(Free Acid))
- Peptide Impurity 24 (CAS CATO-CPTD788824)
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