Atosiban Acetate; (2S)-N-((S)-5-amino-1-((2-amino-2-oxoethyl)amino)-1-oxopentan-2-yl)-1-((4R,7S,10S,16R)-7-(2-amino-2-oxoethyl)-13-((S)-sec-butyl)-16-(4-ethoxybenzyl)-10-((R)-1-hydroxyethyl)-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentaazacycloicosane-4-carbonyl)pyrrolidine-2-carboxamide; CAS No.: 90779-69-4; As a chemical synthesis company, ChemShuttle supplies (2S)-N-((S)-5-amino-1-((2-amino-2-oxoethyl)amino)-1-oxopentan-2-yl)-1-((4R,7S,10S,16R)-7-(2-amino-2-oxoethyl)-13-((S)-sec-butyl)-16-(4-ethoxybenzyl)-10-((R)-1-hydroxyethyl)-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentaazacycloicosane-4-carbonyl)pyrrolidine-2-carboxamide, a key intermediate for drug development. Their custom synthesis capabilities ensure high-purity and scalable production.