Sourcing Colistin-1,3,5,9-tetramethanesulfonic A acid?
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Polymyxin B1
pharmaceutical raw material
Sourcing Colistin-1,3,5,9-tetramethanesulfonic A acid?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Colistin-1,3,5,9-tetramethanesulfonic A acid is a polymyxin antibiotic active pharmaceutical ingredient used in pharmaceutical manufacturing. It is a large, flexible, highly polar macrocyclic compound containing multiple amide, amine, and alcohol functional groups, with stereochemistry marked in its 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.
The international HS code for Colistin-1,3,5,9-tetramethanesulfonic A acid (CAS 30387-39-4) 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.
[2-[(2S,5R,8S,11S,14S,17S,22S)-11-(2-aminoethyl)-17-[(1R)-1-hydroxyethyl]-22-[[(2S)-2-[[(2S,3R)-3-hydroxy-2-[[(2S)-2-[[(6S)-6-methyloctanoyl]amino]-4-(sulfomethylamino)butanoyl]amino]butanoyl]amino]-4-(sulfomethylamino)butanoyl]amino]-5,8-bis(2-methylpropyl)-3,6,9,12,15,18,23-heptaoxo-14-[2-(sulfomethylamino)ethyl]-1,4,7,10,13,16,19-heptazacyclotricos-2-yl]ethylamino]methanesulfonic acid
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