Sourcing PE 22-28?
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Sourcing PE 22-28?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
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.
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
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