Product: Leishman's Stain C.A.S. No.:12627-53-1 Specifications: Solubility 0.1 % (MeOH) = Clear solution Absorption Maximum (in MeOH) ?1max = 640-645nm Absorption Maximum (in MeOH) ?2max = 522-525nm Absorptivity (A1%1cm in MeOH at ?1max on dried substance) = >900 Absorptivity (A1%1cm in MeOH at ?2max on dried substance) = >650 Loss On Drying (110�°C) =