CAS No. 195514-63-7

Batch: Purity:99.89
Rimiducid (AP1903) Chemical Structure
Chemical Structure
Check the Rimiducid (AP1903) product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name [(1R)-3-(3,4-dimethoxyphenyl)-1-[3-[2-[2-[[2-[3-[(1R)-3-(3,4-dimethoxyphenyl)-1-[(2S)-1-[(2S)-2-(3,4,5-trimethoxyphenyl)butanoyl]piperidine-2-carbonyl]oxypropyl]phenoxy]acetyl]amino]ethylamino]-2-oxoethoxy]phenyl]propyl] (2S)-1-[(2S)-2-(3,4,5-trimethoxyphenyl)butanoyl]piperidine-2-carboxylate
CAS Number 195514-63-7
Molecular Formula

C78H98N4O20

Molecular Weight (MW) 1411.63
SMILES CCC(C(=O)N1CCCCC1C(=O)OC(CCC2=CC(=C(OC)C=C2)OC)C3=CC(=CC=C3)OCC(=O)NCCNC(=O)COC4=CC=CC(=C4)C(CCC5=CC(=C(OC)C=C5)OC)OC(=O)C6CCCCN6C(=O)C(CC)C7=CC(=C(OC)C(=C7)OC)OC)C8=CC(=C(OC)C(=C8)OC)OC
InChIKey GQLCLPLEEOUJQC-ZTQDTCGGSA-N

Ordering Information

Biological Activity

Rimiducid (AP1903) is a synthetic chemical dimerizer that selectively binds mutant FKBP12(F36V) fusion proteins with subnanomolar affinity while showing minimal binding to endogenous wild-type FKBP12. By inducing the homodimerization or oligomerization of FKBP-containing chimeric receptors or enzymes, such as Fas or caspase signaling constructs, rimiducid activates downstream pro-apoptotic pathways. This targeted dimerization triggers potent, dose-dependent apoptosis in cells expressing dimerizer-dependent constructs, serving as an inducible cell safety switch. [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 (70.84 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Ethanol 100 mg/mL
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.