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4-Chloro-4-hydroxybenzophenone (CAS No 42019-78-3).
Synonyms: 4-hydroxy-4’-chloro-benophenone 4-Chloro-4'-Hydroxybenzophenone 4-Hydroxy-4'-Chlorobenzophenone
Melting point: 177-181 °C
Boiling point: 257 °C (13 mmHg)
Flash point: 100 °C
Appearance Pink brown to gray powder
Identification Complies to standard
Absorbance, au ≤0.02
Total impurity, % ≤0.20
Loss on Drying, % ≤0.50
Melting point, ℃ 176.0~178.0
Assay by HPLC, % ≥99.00
4-Chloro-4’-hydroxybenzophenone (Fenofibrate EP Impurity A; Fenofibrate USP Related Compound A) the impurity of Fenofibric acid (42017-89-0), the active metabolite of fenofibrate which increases Apolipoprotein A-I–Mediated High-Density Lipoprotein Biogenesis by enhancing transcription of ATP-Binding cassette transporter A1 gene in a liver X receptor–dependent manner.
Stored in dry and ventilation place, far from heat and water.