CAS No. 686347-12-6

Batch: Purity:99.80
Otenabant (CP-945598) HCl Chemical Structure
Chemical Structure
Check the Otenabant (CP-945598) HCl product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

CAS Number 686347-12-6
Molecular Formula

C25H25Cl2N7O.HCl

Molecular Weight (MW) 546.88
SMILES CCNC1(CCN(CC1)C2=NC=NC3=C2N=C(N3C4=CC=C(C=C4)Cl)C5=CC=CC=C5Cl)C(=O)N.Cl

Ordering Information

Biological Activity

Otenabant (CP-945598) HCl is a potent and selective cannabinoid receptor CB1 antagonist with a Ki of 0.7 nM, exhibiting over 10,000-fold selectivity against the human CB2 receptor. By targeting and blocking CB1 receptor-mediated signaling, CP-945598 suppresses endocannabinoid pathways, resulting in reduced food consumption, altered energy expenditure, and body weight loss in preclinical animal models.

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
4-Methylpyridine 5 mg/mL
DMSO 1 mg/mL (1.82 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO.)
Water 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.