Endomorphin 2 is an endogenous opioid peptide and one of the two endomorphins. It is a high affinity, highly selective agonist of the μ-opioid receptor, and along with endomorphin-1 (EM-1), has been proposed to be the actual endogenous ligand of this receptor (that is, rather than the endorphins). References: Wang ZL, Fang Q, Han ZL, Pan JX, Li XH, Li N, Tang HH, Wang P, Zheng T, Chang XM, Wang R. Opposite effects of neuropeptide FF on central antinociception induced by endomorphin-1 and endomorphin-2 in mice. PLoS One. 2014 Aug 4;9(8):e103773. doi: 10.1371/journal.pone.0103773. eCollection 2014. PubMed PMID: 25090615; PubMed Central PMCID: PMC4121275.

纯度：≥98%

CAS：141801-26-5