Cilostazol intermediate

[Chemical Name]: 3,4-Dihydro-6-hydroxy-2(1H)-quinolinone

[Synonyms]: 6-Hydroxy-2(1H)-3,4-dihydroquinolinone; 3,4-dihydro-6-hydroxyquinolin-2(1H)-one

[Structure]:

[Formula]: C9H9NO2

[Molecular Weight]: 163.17

[CAS RN]: 54197-66-9

[Melting point]: 235-241℃

[Specification]:

Appearance White to off-white crystalline powder
Identification IR ,HPLC, meet the requirments
Melting point 235~241℃
Water K.F. 0.5%max
Loss on drying 0.5%max
Purity HPLC 99%min
Assay 97.0-102.0%