Stemolecule™ KAAD-Cyclopamine

Catalog Size Price Quantity
04-0028 100 μg $239.00
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04 0028 Figure 1

Product Overview

Stemolecule KAAD-Cyclopamine is a sonic hedgehog antagonist known to target Smoothened1. Hedgehog signaling is involved in embryogenesis as well as cancer progression2. KAAD-Cyclopamine has been utilized to halt the migration or proliferation of a variety of cancer cells (e.g. esophageal, gastrointestinal, hepatic and pancreatic cancer)3-6.

Product Specifications


100 μg

Alternate Names

N-[2-[(3'R,7'aR)-3',6',10,11b-tetramethyl-3-oxospiro[1,2,4,6,6a,6b,7,8, 11,11a-decahydrobenzo[a]fluorene-9,2'-3,3a,5,6,7,7a-hexahydrofuro[3, 2-b]pyridine]-4'-yl]ethyl]-6-(3-phenylpropanoylamino)hexanamide

Chemical Formula


Molecular Weight


CAS Number



Greater than 95% by TLC analysis 


Pale yellow solid


For a 10 mM concentrated stock solution of KAAD-Cyclopamine, reconstitute the compound by adding 14.3 μl of DMSO to the entire contents of the vial. If precipitate is observed, warm the solution to 37°C for 2 to 5 minutes. For cell culture, the media should be prewarmed prior to adding the reconstituted compound. Note: for most cells, the maximum tolerance to DMSO is less than 0.5%. This molecule is soluble in DMSO at 10 mM, ethanol at 1.4 mM, and methanol at 1.4 mM.

Storage and Stability

Store powder at 4°C protected from light. Following reconstitution, store aliquots at -20°C. Stock solutions are stable for 6 months when stored as directed. 

Quality Control

The purity of KAAD-Cyclopamine was determined by TLC analysis. The accurate mass was determined by mass spectrometry. Cellular toxicity of KAAD-Cyclopamine was tested on mouse embryonic stem cells. 

Specification Sheets

Safety Data Sheets

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