PE 22-28 is a heptapeptide fragment of the endogenous TREK-1 antagonist spadin. It is the smallest identified fragment that retains TREK-1 inhibitory activity and has been investigated in research as a potential antidepressant.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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(Des-Thr5)-Glucagon Trifluoroacetate
research compound
L-Phenylalanine-1,2,3,4,5,6-13C6
research compound
Methyl 2-fluoro-3-oxovalerate
research compound
Tert-Butyl (4-(bromomethyl)pyridin-2-yl)(4-methoxybenzyl)carbamate
research compound
The international HS code for PE 22-28 (CAS 1801959-12-5) is 2933.99.
2933.99
2933 99 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
(2S)-2-[[(2S)-2-[[2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[(2-aminoacetyl)amino]-3-methylbutanoyl]amino]-3-hydroxypropanoyl]amino]-3-(1H-indol-3-yl)propanoyl]amino]acetyl]amino]-4-methylpentanoyl]amino]-5-(diaminomethylideneamino)pentanoic acid
CMNBQRXBBJQIOA-YIHYGEMESA-N
CC(C)C[C@@H](C(=O)N[C@@H](CCCN=C(N)N)C(=O)O)NC(=O)CNC(=O)[C@H](CC1=CNC2=CC=CC=C21)NC(=O)[C@H](CO)NC(=O)[C@H](C(C)C)NC(=O)CN
Sourcing PE 22-28?
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