1. Core Product Specifications

Product Name: TB500 Short Peptide
English Name: TB500 Short Peptide, Thymosin Beta-4 Active Fragment
Alias: Thymosin Beta-4 Short-Chain Active Peptide, TB500 Repair Peptide
CAS No.: 885340-08-9
Core Sequence: Ac-LKKTETQ-OH (Tβ4 17–23 active functional fragment)
Molecular Formula: C??H??N??O??
Molecular Weight: 889.05
Appearance: White lyophilized crystalline powder, odorless, non-caking, uniform color and high purity
Purity: ≥99.0% (Tested by HPLC)
Moisture Content: ≤2.0%
Heavy Metals: ≤10ppm
Endotoxin: ≤0.1EU/mg
Residue on Ignition: ≤0.1%
Solubility: Freely soluble in pure water, sterile buffer solutions and aqueous systems, fast dissolution with clear and stable solution without impurities or precipitation
Storage Conditions: Store powder at 2-8℃ in sealed, dry and dark environment; store prepared solution at -20℃ and avoid repeated freeze-thaw cycles
Production Technology: Solid Phase Peptide Synthesis (SPPS), terminal acetylation modification, multi-stage HPLC precision purification, low-temperature vacuum freeze-drying technology
Product Attribute: Human homologous short-chain active repair peptide, retaining the core repair functions of full-length Thymosin Beta-4
Shelf Life: 24 months under standard sealed and low-temperature storage conditions