ChemAbout
© 2026 ChemAbout
Insights|Privacy Policy|Terms of Service|[email protected]
Home/Compounds/API/Polymyxin B2
C55H96N16O13
1189.5 g/mol
API

4,10-anhydro[N-(6-methylheptanoyl)-L-2,4-diaminobutanoyl-L-threonyl-L-2,4-diaminobutanoyl-L-2,4-diaminobutanoyl-L-2,4-diaminobutanoyl-D-phenylalanyl-L-leucyl-L-2,4-diaminobutanoyl-L-2,4-diaminobutanoyl-L-threonine]

CAS34503-87-2
Category
API
Compound Class
Peptide
Primary Use
Pharmaceutical Raw Material

This compound is a cyclic peptide used as an active pharmaceutical ingredient in pharmaceutical manufacturing. It features multiple amide and amine functional groups, indicating a highly polar, water-soluble 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 or supplying this compound?

List your inventory or post a purchase request

CAS 34503-87-2

List This Product
Sign in to publish supply information
Request This Product
Submit a request without registering

Related Compounds

StrongStructure SimilarSimilarity 0.91

Polymyxin B1

CAS4135-11-9

pharmaceutical raw material

StrongStructure SimilarSimilarity 0.91

Polymyxin B1

CAS1404-26-8

pharmaceutical raw material

StrongStructure SimilarSimilarity 0.91

N-[(2S)-4-amino-1-[[(2S,3R)-1-[[(2S)-4-amino-1-oxo-1-[[(3S,6S,9S,12S,15R,18S,21S)-6,9,18-tris(2-aminoethyl)-15-benzyl-3-[(1R)-1-hydroxyethyl]-12-(2-methylpropyl)-2,5,8,11,14,17,20-heptaoxo-1,4,7,10,13,16,19-heptazacyclotricos-21-yl]amino]butan-2-yl]amino]-3-hydroxy-1-oxobutan-2-yl]amino]-1-oxobutan-2-yl]octanamide

CAS71140-58-4

research compound

SimilarStructure SimilarSimilarity 0.77

PMBN

CAS86408-36-8

pharmaceutical raw material

ReferenceSame Category

Loperamide hydrochloride

CAS34552-83-5

pharmaceutical raw material

ReferenceSame Category

N-(5-(((5-(1,1-Dimethylethyl)-2-oxazolyl)methyl)thio)-2-thiazolyl)-4-piperidinecarboxamide

CAS345627-80-7

pharmaceutical raw material

ReferenceSame Category

Ketotifen fumarate

CAS34580-14-8

pharmaceutical raw material

ReferenceSame Category

Amoxicillin sodium

CAS34642-77-8

pharmaceutical raw material

Identifiers
IUPAC Name

N-[(2S)-4-amino-1-[[(2S,3R)-1-[[(2S)-4-amino-1-oxo-1-[[(3S,6S,9S,12S,15R,18S,21S)-6,9,18-tris(2-aminoethyl)-15-benzyl-3-[(1R)-1-hydroxyethyl]-12-(2-methylpropyl)-2,5,8,11,14,17,20-heptaoxo-1,4,7,10,13,16,19-heptazacyclotricos-21-yl]amino]butan-2-yl]amino]-3-hydroxy-1-oxobutan-2-yl]amino]-1-oxobutan-2-yl]-6-methylheptanamide

InChIKey

SGPYLFWAQBAXCZ-RUDZPDEXSA-N

SMILES

C[C@H]([C@H]1C(=O)NCC[C@@H](C(=O)N[C@H](C(=O)N[C@@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N1)CCN)CCN)CC(C)C)CC2=CC=CC=C2)CCN)NC(=O)[C@H](CCN)NC(=O)[C@H]([C@@H](C)O)NC(=O)[C@H](CCN)NC(=O)CCCCC(C)C)O

Synonyms (7)
  • Polymyxin B sulphate?
  • Polysporin (TN)