Disodium Bicinchoninate

2,2′-Biquinoline-4-4′-dicarboxylate disodium salt, disodium 2,2′-biquinoline-4-4′-dicarboxylate; C₂₀H₁₀N₂Na₂O₄ = 388.3 (979-88-4)

General reagent grade of commerce.