l  General Information  | 
Product Name  | Cilomilast  | 
General description  | Cilomilast is a potent PDE4 inhibitor with IC50 of about 110 nM, has anti-inflammatory activity and low central nervous system activity.  | 
Synonym  | SB-207499; 4-cyano-4-(3-cyclopentyloxy-4-methoxyphenyl)cyclohexane-1-carboxylic acid  | 
Purity  | ≥98.0%(HPLC)  | CAS Number  | 153259-65-5  | 
Formula  | C20H25NO4  | Molecular Weight  | 343.423  | 
Suitability  | BioReagent, suitable for cell culture, etc.  | 
l  Physical and Chemical Information  | 
Appearance  | Solid  | 
Solubility(25°C)  | DMSO  | ≥45mg/ml  | 
Ethanol  | ≥15mg/ml  | 
Water  | Very slightly soluble  | 
l  Biological Information  | 
Biochem/Physiol
  Actions  | Cilomilast (Ariflo, SB-207,499) is a drug which was developed for the treatment of respiratory disorders such as asthma and Chronic Obstructive Pulmonary Disease (COPD). It is orally active and acts as a selective Phosphodiesterase-4 inhibitor. Following four clinical trials, the drug proved to be effective in treating COPD, however it has never been marketed due to a poor side effect profile.  | 
l  Storage  | 
Storage temp.  | -20°C  | 
l  Precautions and Disclaimer  | 
This product is for R&D use only, not for drug, household, or other uses.  | 
l  References  | 
1.    http://www.drugbank.ca 2.    https://ncit.nci.nih.gov 3.    https://www.ncbi.nlm.nih.gov  |