Molecular Weight: 541.72 g/mol

CDDO-Im (RTA-403) Chemical Structure
Chemical Structure
Check the CDDO-Im (RTA-403) product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

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 56 mg/mL (103.37 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Water Insoluble
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).

Chemical Information

IUPAC Name (4aR,6aR,6aS,6bR,8aS,12aS,14bS)-8a-(imidazole-1-carbonyl)-4,4,6a,6b,11,11,14b-heptamethyl-3,13-dioxo-4a,5,6,6a,7,8,9,10,12,12a-decahydropicene-2-carbonitrile
CAS Number 443104-02-7
Molecular Formula
C34H43N3O3
Molecular Weight (MW) 541.72
SMILES CC1(C)CCC2(CCC3(C)C(C2C1)C(=O)C=C4C5(C)C=C(C#N)C(=O)C(C)(C)C5CCC34C)C(=O)[N]6C=CN=C6
InChIKey ITFBYYCNYVFPKD-FMIDTUQUSA-N

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