Lot

NOR--202608-350

Purity

99.38%

As supplied

Form: Lyophilised powder
Storage: −20 °C, desiccated
Stability: 24 months
CAS: 885340-08-9
Formula: C44H74N12O16
Molecular weight: 1051.16 g/mol
Solubility: Bacteriostatic water or 0.9% NaCl, ≥2 mg/mL

TB-500

Thymosin β4 fragment 17–23, acetylated

Northmark Research Compare brands

£32

Vial massTB500-2-NOR

17 vials in stock · dispatched within 24 h

The acetylated seven-residue actin-binding domain of thymosin β4. Characterised extensively in cytoskeletal literature and supplied here for in-vitro structural work.

Actin-binding studiesCytoskeletal research

Supplied for laboratory research use only. Not for human or veterinary use, consumption, or clinical application.

Analysis

Certificate of analysis

RP-HPLC chromatogramJanoshik Analytical

Retention time (min)λ 214 nm

Purity99.38%

Specification ≥ 98.0%

Lot: NOR--202608-350
Released: 2026-08-09
Mass expected: 1051.16 Da
Mass found: 1051.28 Da
Water (KF): 3.40%
Endotoxin: 0.089 EU/mg
Appearance: White lyophilisate

Signed COA · TB-500 NOR--202608-350PDF ↓

Primary structure

7 residues

Hover a residue for detail

Formula: C44H74N12O16
Molecular weight: 1051.16 g/mol

Interactive

Reconstitution

Vial mass

Bacteriostatic watermL

Target quantity per drawmcg

Syringe

Draw to: 25.0 units
Volume: 0.250 mL
Concentration: 1.00 mg/mL
Draws per vial: 8

Arithmetic for TB-500 at the values you entered. Not a protocol and not a dose recommendation. Research use only.

Handling

On arrival: Transfer to −20 °C within two hours. Vials ship on phase-change packs rated for 72 hours.
Reconstitution: Bacteriostatic water or 0.9% NaCl, ≥2 mg/mL
After reconstitution: 2–8 °C, use within 28 days. Aliquot to avoid freeze-thaw cycling.
Shelf life: 24 months lyophilised, desiccated and protected from light.