1,3-Dioxo-2-(pyridin-3-yl)isoindoline-5-carboxylic acid CAS 239807-67-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 239807-67-1 |
| Molecular Formula | C14H8N2O4 |
| Molecular Weight | 268.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,3-Dioxo-2-(pyridin-3-yl)isoindoline-5-carboxylic acid (CAS 239807-67-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H8N2O4. Molecular weight: 268.22 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H8N2O4 |
| Molecular Weight | 268.22 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 |
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Recommended Standards
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- 1,2-Bis(4-nitrophenyl)ethyne (CAS 2735-14-0)
- BL 1249 (CAS 18200-13-0)
- tri(²H₃)methyl(oxo)-λ⁶-sulfanylium (CAS 729548-89-4)
- [3,3'-Biisoxazole]-5-carbaldehyde (CAS 117883-37-1)
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- 2-Chloro-3-fluoro-5-methylbenzophenone (CAS 951886-51-4)
- Neuropeptide Y (2-36), amide, porcine (CAS 102961-52-4)
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