StemRegenin 1; SR1; 4-(2-(2-(benzo[b]thiophen-3-yl)-9-isopropyl-9H-purin-6-ylamino)ethyl)phenol; CAS No.: 1227633-49-9; ChemShuttle's benzothiophene-purine derivative serves as bromodomain inhibitor intermediate. Positioned as chemical synthesis company, we design acetyl-lysine mimetics for epigenetic target modulation. The isopropyl group enhances hydrophobic interactions in BET family bromodomains. Our products support development of anticancer and anti-inflammatory therapies.