1-(5H-pyrrolo[2,3-b]pyrazin-7-yl)ethanone

1-(5H-Pyrrolo[2,3-b]pyrazin-7-yl)ethanone (CAS 4121-22-6) is supplied to pharmaceutical grade under an in-house standard by Chem-Stone (Guangzhou) Co., Ltd., which trades the compound rather than manufacturing it. It is available across North America, Central/South America, Western Europe, Eastern Europe, Australasia, Asia, the Middle East, and Africa, though no samples are offered and little further detail is disclosed.