Ultra pure grade Em (258nm phosphate buffer pH 7.0): >11,000 Em (Anhydrous, 258nm): >14,500 Heavy metals (as Pb): <0.002% A250/A260: 0.79-0.81 A280/A260: 0.18-0.22 Appearance: Solid ChEBI: Not available. Crystal_Structure: Not available. InChI :…