Pifithrin alpha Hydrobromide ([1- (4-Methylphenyl) -2- (4,5,6,7-tetrahydro-2-imino-3 (2H) -benzothiazolyl) ethanone• HBr])

Lyophilized powder may be stored at -20 degree C. Stable for 12 months at -20 degree C. Reconstitute with DMSO. Aliquot to avoid repeated freezing and thawing. Store at -20 degree C. Reconstituted product is stable for 6 months at -20 degree 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. Light-sensitive.