4-(Pyridin-3-yl)dihydro-2H-pyran-2,6(3H)-dione CAS 381677-91-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 381677-91-4 |
| Molecular Formula | C10H9NO3 |
| Molecular Weight | 191.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(Pyridin-3-yl)dihydro-2H-pyran-2,6(3H)-dione (CAS 381677-91-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H9NO3. Molecular weight: 191.18 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H9NO3 |
| Molecular Weight | 191.18 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
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- 3-(5-((4-Methylpiperazin-1-yl)methyl)thiophen-3-yl)prop-2-yn-1-amine (CAS 1306694-81-4)
- rel-(1R,2S,3R,4S)-3-Amino-7-oxabicyclo[2.2.1]heptane-2-carboxamide (CAS 1212408-87-1)
- Insulin Degludec impurity 4 (CAS CATO-C4X-21574)
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