HS-1043
TB-500
Thymosin β4 (acetylated, 43-mer)
Also listed as Tβ4, Thymosin beta-4
Full-length acetylated thymosin β4. Actin-sequestering protein used as a reference standard in cytoskeletal and cell migration research.

Vial size
HS-1043-05
- Lead time
- 1 to 2 business days
- Ships with
- Lot certificate
- Per line limit
- 5 units
Identity and specification
- CAS number
- 77591-33-4
- Molecular formula
- C212H350N56O78S
- Molecular weight
- 4963.44 g/mol
- Residues
- 43
- Purity specification
- ≥ 98.0%
- Purity method
- RP-HPLC, 214 nm
- Identity method
- ESI-MS against theoretical mass
- Physical form
- Lyophilized powder
- Appearance
- White to off-white cake
Structure and sequence
Ac-Ser-Asp-Lys-Pro-Asp-Met-Ala-Glu-Ile-Glu-Lys-Phe-Asp-Lys-Ser-Lys-Leu-Lys-Lys-Thr-Glu-Thr-Gln-Glu-Lys-Asn-Pro-Leu-Pro-Ser-Lys-Glu-Thr-Ile-Glu-Gln-Glu-Lys-Gln-Ala-Gly-Glu-Ser-OH
N-terminally acetylated, free acid C-terminus.
Handling and storage
- Storage
- -20 °C, desiccated, protected from light
- Solubility
- Sterile water
- Shipping
- Ambient, insulated. Transfer to -20 °C on receipt.
Solubility is stated so that the material can be prepared for analytical work. Harlow Sciences does not publish concentrations, volumes or preparation procedures for any other purpose.
Analytical release
- Purity specification
- ≥ 98.0%
- Purity method
- RP-HPLC, 214 nm
- Identity method
- ESI-MS against theoretical mass
- Endotoxin
- Screened, LAL
- Tested by
- An analytical laboratory we do not own
The certificate for the batch you are sent ships with the order. Need it before you order, for a purchasing or ethics review? Ask us for the current lot certificate against HS-1043.
Request certificateIn vitro laboratory research use only. Not for human or veterinary use. Harlow Sciences does not supply dosing, reconstitution or administration guidance, and does not sell administration supplies. See the research use policy.