2-(9H-fluoren-9-ylidene)acetic acid (CAS 4425-73-4) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C15H10O2. Molecular weight: 222.24 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
Molecular Formula
C15H10O2
Molecular Weight
222.24 g/mol
Appearance
Pale yellow to yellow crystalline powder
Purity
97%+
Storage
Store at 2-8°C, protect from light
Solubility (reference)
Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
Stability
May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light