CAS No. 250612-42-1

Batch: Purity:99.98
Cyclo(RGDyK) TFA Chemical Structure
Chemical Structure
Check the Cyclo(RGDyK) TFA product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 2-[(2S,5R,8S,11S)-8-(4-aminobutyl)-11-[3-(diaminomethylideneamino)propyl]-5-[(4-hydroxyphenyl)methyl]-3,6,9,12,15-pentaoxo-1,4,7,10,13-pentazacyclopentadec-2-yl]acetic acid;bis(2,2,2-trifluoroacetic acid)
CAS Number 250612-42-1
Molecular Formula

C31H43F6N9O12

Molecular Weight (MW) 847.72
SMILES C1C(=O)NC(C(=O)NC(C(=O)NC(C(=O)NC(C(=O)N1)CCCN=C(N)N)CCCCN)CC2=CC=C(C=C2)O)CC(=O)O.C(=O)(C(F)(F)F)O.C(=O)(C(F)(F)F)O
InChIKey CDDUWKKOPQABPG-TVSMIREGSA-N

Ordering Information

Biological Activity

Cyclo(RGDyK) TFA is a potent cyclic peptide inhibitor targeting integrin αvβ3. By selectively binding to integrin αvβ3, it disrupts integrin-mediated extracellular matrix adhesion and downstream focal adhesion kinase signaling pathways. This inhibition suppresses endothelial cell proliferation, cell migration, and tumor angiogenesis, making it an essential tool for oncology, cardiovascular, and inflammation research. [1][2]

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 100 mg/mL (117.96 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Water 100 mg/mL
Ethanol 100 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).

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