l  General Information  | 
Product Name  | Cryptotanshinone  | 
General description  | Cryptotanshinone is a STAT3 inhibitor.  | 
Synonym  | (1R)-1,6,6-trimethyl-2,7,8,9-tetrahydro-1H-naphtho[1,2-g][1]benzofuran-10,11-dione  | 
Purity  | ≥98.0%(HPLC)  | CAS Number  | 35825-57-1  | 
Formula  | C19H20O3  | Molecular Weight  | 296.36  | 
Suitability  | BioReagent, suitable for cell culture, etc.  | 
l  Physical and Chemical Information  | 
Appearance  | Solid  | 
Solubility(25℃)  | DMSO  | ~5mg/mL(warmed)  | 
Ethanol  | ~1mg/mL(warmed)  | 
Water  | Insoluble  | 
l  Biological Information  | 
Biochem/Physiol
  Actions  | Cryptotanshinone is a STAT3 inhibitor with IC50 of 4.6 μM in a cell-free assay, strongly inhibits phosphorylation of STAT3 Tyr705, with a small effect on STAT3 Ser727, but none against STAT1 nor STAT5.  | 
l  Storage  | 
Storage temp.  | -20℃  | 
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  |