Neopterin 是三磷酸腺苷的一种分解产物，是细胞免疫系统激活的标志物。

D-(+)-Neopterin is produced by human monocytes/macrophages upon stimulation with the cytokine interferon-γ. In humans, neopterin is involved in purine biosynthesis.

2009-64-5

C9H11N5O4

253.21

D-(+)-Neopterin;2-Amino-6-((1S,2R)-1,2,3-trihydroxypropyl)pteridin-4(3H)-one;新蝶呤;Neopterin

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