ACE-031 is a soluble activin receptor type IIB fusion protein that binds myostatin, studied in muscle-growth research. It is supplied as a high-purity lyophilized protein powder in sealed vials for laboratory use. ACE-031 is investigated in research on muscle-mass regulation and myostatin signaling, and is commonly applied in cell-culture and preclinical studies. As a fusion protein, it does not have a single formally assigned CAS number. The stable freeze-dried presentation supports convenient reconstitution and reproducible dosing. Every batch undergoes strict quality control, and a Certificate of Analysis (COA) is available for specific batches upon request to support reproducible laboratory work. For storage, keep the unopened reagent sealed at 2-8 degree C and protected from light and moisture; for long-term storage, store at -20 degree C and avoid repeated freeze-thaw cycles. We support both small trial orders and large-volume bulk orders. OEM and private-label packaging services are available for research projects, and secure neutral packing is used for all shipments with worldwide delivery to the USA, Europe, Canada, Australia, the UK and many other regions. Please note that this product is intended for laboratory research use only and is not for human or veterinary application.