Cyclopenta[b]pyridine
Pharmaceutical Materials 2025-03-02
CAS Number: 533-37-9
Molecular Formula: C8H9N
Molecular Weight: 119.16 g/mol
Appearance: Colorless to red to green clear liquid
Boiling Point: 87-88°C at 11 mmHg
Density: 1.018 g/mL at 25°C
Usage: Used as an intermediate in organic synthesis and pharmaceutical production.
| Attribute | Details |
|---|---|
| Chemical Name | Cyclopenta[b]pyridine |
| Synonyms | 2.3-Cyclopentapyridine; 6.7-Dihydro-5H-cyclopenta[b]pyridine; Pyrindan |
| CAS Registry Number | 533-37-9 |
| Molecular Formula | C8H9N |
| Molecular Weight | 119.17 g/mol |
| Structural Formula |  |
| Appearance | Colorless transparent liquid at room temperature and pressure |
| Density | Approximately 1.1 g/cm³ |
| Boiling Point | 212.2°C at 760 mmHg |
| Flash Point | 67.2°C |
| Solubility | Soluble in organic solvents |
| Chemical Properties | Belongs to the class of pyridine derivatives; The nitrogen atom in the pyridine ring can be oxidized to the corresponding nitrogen oxide |
| Uses | Used as an intermediate in organic synthesis and pharmaceutical chemistry, particularly in the synthesis of drug molecules such as Cefpirome |
| Stability | Stable under normal conditions; Store in a cool, dry place, away from heat, sparks, and flammable materials |
| Safety Information | May cause skin and eye irritation; May be harmful if swallowed or inhaled; Wear appropriate protective clothing, gloves, and eye protection; Handle with care and follow safety instructions |
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