4-(Pyridin-3-yl)dihydro-2H-pyran-2,6(3H)-dione CAS 381677-91-4
| 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
Compared with other compounds in its class, the molecular weight of 191.18 g/mol gives 4-(Pyridin-3-yl)dihydro-2H-pyran-2,6(3H)-dione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-(Pyridin-3-yl)dihydro-2H-pyran-2,6(3H)-dione (CAS 381677-91-4) is a high-purity analytical reference standard with the molecular formula C10H9NO3 and a molecular weight of 191.18 g/mol.
The molecular framework of 4-(Pyridin-3-yl)dihydro-2H-pyran-2,6(3H)-dione (C10H9NO3) is characterized by an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4-(Pyridin-3-yl)dihydro-2H-pyran-2,6(3H)-dione under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
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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Recommended Standards
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- 2,2-Dimethyl-2-fluoropropiophenone (CAS 560085-36-1)
- 1-(Bromomethyl)-1-(cyclopentyloxy)-4-methylcyclohexane (CAS 1248213-10-6)
- 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)
- 2-Methyl-2-(methylamino)-6-(1h-pyrazol-1-yl)hexanamide (CAS 1250177-47-9)
- Imino(2-methoxyethyl)(phenyl)-lambda6-sulfanone (CAS 2177264-29-6)
- Insulin Degludec impurity 4 (CAS CATO-C4X-21574)
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