4-Chloro-2-Oxo-2H-Chromene-3-Carbaldehyde
[CAS# 50329-91-4]

Identification

• Classification: Pharmaceutical intermediate >> Heterocyclic compound intermediate >> Pyran compound
• Name: 4-Chloro-2-Oxo-2H-Chromene-3-Carbaldehyde
• Synonyms: 4-Chloro-2-Oxo-Chromene-3-Carbaldehyde; 4-Chloro-2-Oxo-3-Chromenecarboxaldehyde; 4-Chloro-2-Keto-Chromene-3-Carbaldehyde
• Molecular Formula: C₁₀H₅ClO₃
• Molecular Weight: 208.60
• CAS Registry Number: 50329-91-4
• SMILES: C1=CC=CC2=C1C(=C(C(O2)=O)C=O)Cl
• InChI: 1S/C10H5ClO3/c11-9-6-3-1-2-4-8(6)14-10(13)7(9)5-12/h1-5H
• InChIKey: CLLLQUGVEQADNN-UHFFFAOYSA-N

Properties

• Density: 1.47g/cm³ (Cal.)
• Boiling point: 374.453°C at 760 mmHg (Cal.)
• Flash point: 173.747°C (Cal.)

References

• (1): Jie Wu and Xiaocong Wang. Facile synthesis of chromeno[4,3-b]quinolin-6-ones from unexpected reactions of aryl isocyanides with 4-chloro-2-oxo-2H-chromene-3-carbaldehyde, Org. Biomol. Chem., 2006, 4, 1348.