Aza-steroid. Hedgehog signaling inhibitor. Competes with 20(S)-OHC for access to the cysteine-rich domain in Smoothened (Smo). For control compound see 22-NHC (inactive isomer).Formula:C26H45NO . HCl Solubility:DMSOMolecular Weight:~387.6 . 36.5Storage and Stability:Lyophilized powder may be stored at -20°C. Stable for 12 months after receipt at -20°C. Reconstitute with DMSO. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 6 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.