Azure B 是一种 Methylene blue 的主要代谢物，是一种阳离子染料，用于 Azure 曙红染色剂以进行血液涂片染色。它是高选择性和可逆的抑制单胺氧化酶(MAO)-A的抑制剂，对重组人的 MAO-A 和 MAO-B 的IC50分别为 11 和 968 nM。它具有显著的抗抑郁作用。

Azure B is a cationic dye and the major metabolite of Methylene blue. Azure B is a selective, and reversible inhibitor of MAO-A (IC50s: 11 and 968 nM for recombinant human MAO-A and MAO-B).

Azure B (4-30 mg/kg; i.p.; once) decreases immobility in the forced swim test [1].

531-55-5

C15H16ClN3S

305.83

天青 B;Azure B chloride

DMSO:10 mM
Powder: -20°C for 3 years
In solvent: -80°C for 2 years