Medchemexpress, HY-103181 50mg N6-Cyclopentyladenosine CAS:41552-82-3 N6-Cyclopentyladenosine (CPA) is a selective Adenosine A1 receptor agonist, with Ki values of 2.3 nM, 790 nM and 43 nM for human A1, A2A and A3 receptors, respectively. Purity:>98% Medchemexpress has over 10000 novel life-science reagents, reference compounds, APIs and natural compounds for laboratory and scientific use. Other quantity can also be offered.