Nosiheptide (Standard) is the standard substance of Nosiheptide, and it is applicable for quantitative analysis, quality control, and related research in biochemical experiments. Nosiheptide (Multhiomycin), a thiopeptide antibiotic synthesized by Streptomyces actuosus, serves as a potent feed additive to promote animal growth. It functions by hindering bacterial protein synthesis and is distinguished by an indole side ring system and regiospecific hydroxyl groups on its macrocyclic core.