CAS No. 857876-30-3

Batch: Purity:99.99
Motesanib Diphosphate (AMG-706) Chemical Structure
Chemical Structure
Check the Motesanib Diphosphate (AMG-706) product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name N-(3,3-dimethyl-1,2-dihydroindol-6-yl)-2-(pyridin-4-ylmethylamino)pyridine-3-carboxamide;phosphoric acid
CAS Number 857876-30-3
Molecular Formula

C22H23N5O.2H3PO4

Molecular Weight (MW) 569.44
SMILES CC1(CNC2=C1C=CC(=C2)NC(=O)C3=C(N=CC=C3)NCC4=CC=NC=C4)C.OP(=O)(O)O.OP(=O)(O)O
InChIKey ONDPWWDPQDCQNJ-UHFFFAOYSA-N

Ordering Information

Biological Activity

Motesanib Diphosphate (AMG-706) is a potent ATP-competitive multikinase inhibitor targeting VEGFR1 (IC50 2 nM), VEGFR2 (IC50 3 nM), VEGFR3, c-Kit, Ret, and PDGFR. By blocking receptor tyrosine kinase autophosphorylation and downstream endothelial signal transduction, it inhibits VEGF-induced vascular permeability, tumor angiogenesis, and cell proliferation, leading to apoptosis and tumor growth suppression in preclinical models. [1]

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 (175.61 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Water 19 mg/mL
Ethanol Insoluble
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.