FOR IN-VITRO RESEARCH AND LABORATORY USE ONLY · NOT FOR HUMAN OR VETERINARY USE · NEXGENBIORESEARCH.COM
NexGenBioResearch
HomeShopFollistatin 344 — 1mg
Follistatin 344 — 1mg

HPLC PURITY

98.5%

BATCH

NXG-2026-Q2-009

Technical Specifications
CAS Number188844-34-0
Molecular FormulaC₁₄₃₇H₂₂₅₉N₃₈₃O₄₄₅S₁₄
Molecular Weight31.5 kDa (approximate, glycosylation-dependent)
Purity (HPLC)98.5%
Batch NumberNXG-2026-Q2-009
Test Date2026-05-21
Download Certificate of Analysis (PDF)COA

Follistatin 344 — 1mg

98.5% PurityTGF-β AntagonistGlycoproteinResearch Grade

Follistatin 344 (FST344) is a 344 amino acid isoform of follistatin, a single-chain glycosylated monomeric protein. It functions as a potent binding protein for multiple TGF-β superfamily members in research settings and is used as a tool compound in myogenesis and reproductive biology research.

Quantity

1Total: $124.99

SKU: NXG-FST-1MG

FOR IN-VITRO RESEARCH USE ONLY · NOT FOR HUMAN OR VETERINARY USE · PURCHASE REQUIRES RESEARCHER ATTESTATION

ISO 17025 Tested
Researcher Attested
Cold Chain Shipped
COA QR on Every Vial

Research Mechanism

FST344 demonstrates high-affinity binding to activin A, activin B, myostatin (GDF-8), and BMP-2/4/7 in biochemical assays. Research models utilizing FST344 examine SMAD pathway inhibition and its consequences on satellite cell activation and skeletal muscle progenitor differentiation in vitro.

This information is provided for research reference only. No claims are made regarding therapeutic efficacy or safety for human use.