Gramicidin S is a homodetic cyclic peptide that functions as an antibiotic active pharmaceutical ingredient. It is a cyclic decapeptide composed of two identical pentapeptide sequences with alternating L- and D-amino acids, giving it a rigid, amphipathic structure.
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.
Sourcing Gramicidin S?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Arginine vasopressin
pharmaceutical raw material
Chlorpheniramine maleate
pharmaceutical raw material
Penicillin g potassium
pharmaceutical raw material
(5E)-calcipotriol
pharmaceutical raw material
The international HS code for Gramicidin S (CAS 113-73-5) is 2941.90.
2941.90
2941 90 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
(3R,6S,9S,12S,15S,21R,24S,27S,30S,33S)-9,27-bis(3-aminopropyl)-3,21-dibenzyl-6,24-bis(2-methylpropyl)-12,30-di(propan-2-yl)-1,4,7,10,13,19,22,25,28,31-decazatricyclo[31.3.0.015,19]hexatriacontane-2,5,8,11,14,20,23,26,29,32-decone
IUAYMJGZBVDSGL-XNNAEKOYSA-N
CC(C)C[C@H]1C(=O)N[C@@H](C(=O)N2CCC[C@H]2C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@@H](C(=O)N3CCC[C@H]3C(=O)N[C@H](C(=O)N[C@H](C(=O)N1)CCCN)C(C)C)CC4=CC=CC=C4)CC(C)C)CCCN)C(C)C)CC5=CC=CC=C5
Sourcing Gramicidin S?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.