On May 8, CAS (Chemical Abstracts Service) registered its 150 millionth unique chemical substance—a 2-pyrimidinamine carbonitrile derivative, one of several promising compounds studied as inhibitors ...
In April, scientists at CAS registered the 250 millionth unique chemical substance—an oligonucleotide that may have applications in quality-control assays for messenger RNA drugs and vaccines. CAS, a ...
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