2D Structure
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2D chemical structural formula diagram.

3D Structure
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This 3D model represents a theoretically simulated conformation and is for reference only.

Check the Talabostat (Val-boroPro, PT-100) Mesylate product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name [(2R)-1-[(2S)-2-amino-3-methylbutanoyl]pyrrolidin-2-yl]boronic acid;methanesulfonic acid
CAS Number 150080-09-4
Molecular Formula

C10H23BN2O6S
Molecular Weight (MW) 310.18
SMILES B(C1CCCN1C(=O)C(C(C)C)N)(O)O.CS(=O)(=O)O
InChIKey OXYYOEIGQRXGPI-WSZWBAFRSA-N

How to Prepare Stock Solution?

Concentration Volume Mass
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Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
DMSO 62 mg/mL (199.88 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Water 62 mg/mL
Ethanol 62 mg/mL
FAQ
Q: Why does a DMSO stock precipitate in media/saline?
A: It is caused by unheated aqueous media (supersaturation), local solvent shock, or incorrect mixing sequence.
How to fix it?
  • Preheat media/saline to 37°C.
  • Mix rapidly (pipette/vortex) upon addition.
  • For complex mixes, always add the aqueous phase last.
  • Re-dissolve minor precipitates with a 37°C water bath and sonication (≤30 min).

Aliquotting Service

Free Aliquotting Service

Pre-aliquoted for Longevity: Solid-state aliquots offer significantly longer shelf life compared to stock solutions, ensuring maximum stability for every use.

Looking for a specific aliquot size? Reach out to your local sales representative or contact us at orders@selleckchem.com.

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Note: Technical data last updated: Sep 1, 2026.