BCIP p-toluidine salt (5-Bromo-4-chloro-3-indolyl phosphate p-toluidine salt)

For the colorimetric detection of alkaline phosphatase-labeled molecules in Northern Southern, and Western blotting, in situ hybridization, and Immunohistochemistry. Produces a purple insoluble end product that is detected visually, when used together with Nitroblue tetrazolium. Synonyms: 5-Bromo-4-chloro-3-indolyl phosphate p-toluidine salt, X-phosphate p-toluidine salt, X-phos, X-phos PT, CAS Number: 6578-06-9, Molecular Formula: C15H15BrClN2O4P, Molecular Weight: 433.62, Appearance: White to off-white powder, Purity: >99% (HPLC), Perchloric Acid Titration (0.1mol/L): >99% (Titration), Solubility (1%, DMF): Colorless to light yellow, clear, complete, Solubility (1%, dH2O): Insoluble, Turbidity (1%, DMF): <4.0 NTU, Water (KF): <1%, Phosphorous (inorganic): < 0.05%, FTIR: Conform with assigned structure. Storage and Stability: Lyophilized powder may be stored at -20°C. Stable for 12 months at -20°C.