Streptonigrin is an aminoquinone antitumor and antibacterial antibiotic produced by Streptomyces flocculus. Streptonigrin inhibits β-Catenin Tcf signaling and shows cytotoxicity in β-catenin-activated cells. Streptonigrin induces delayed chromosomal instability involving interstitial telomeric sequences in Chinese hamster ovary cells. Note: Streptonigrin from natural resource is (-)-rotation, has CAS#3930-19-6 and is a R-isomer.
SCH 42495 racemate is the racemate of SCH 42495. SCH 42495 is an orally active neutral inhibitor of metalloendopeptidase (NEP), with antihypertensive effect.