NAPHTHOL AS-MX PHOSPHATE Grade:HIGH PURITY GRADE CAS Number: 1596-56-1Synonym(s): (NABP)/Fast Red TR Salt Molecular Weight: 371.33Molecular Formula: C19H18NO5P Storage Condition: FROZEN CodeSizePriceQuantity 0460-5G Histochemical substrate commonly used in conjunction with Fast Red TR for immunohistology, immunoblotting and dot blot applications. Insoluble. Reaction Condition: Stocks: 10 mg/ml NABP in H20. Add 0.2 ml of this to 9.8 ml 0.1 M Tris-Cl, pH 8.5. Dissolve 10 mg Faast Red TR to the solution before use.