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Chemical structure of Cecropin B (free acid)

GA24078

Cecropin B (free acid)

Also known as (2S)-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-2-[[2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3S)-2-[[(2S)-2-[[(2S)-1-[2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S,3S)-2-[[2-[[(2S)-4-amino-2-[[(2S)-2-[[(2S,3S)-2-[[(2S)-4-amino-2-[[(2S)-2-[[2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S,3S)-2-[[(2S)-6-amino-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-2,6-diaminohexanoyl]amino]-3-(1H-indol-3-yl)propanoyl]amino]hexanoyl]amino]-3-methylbutanoyl]amino]-3-phenylpropanoyl]amino]hexanoyl]amino]hexanoyl]amino]-3-methylpentanoyl]amino]-4-carboxybutanoyl]amino]hexanoyl]amino]-4-methylsulfanylbutanoyl]amino]acetyl]amino]-5-carbamimidamidopentanoyl]amino]-4-oxobutanoyl]amino]-3-methylpentanoyl]amino]-5-carbamimidamidopentanoyl]amino]-4-oxobutanoyl]amino]acetyl]amino]-3-methylpentanoyl]amino]-3-methylbutanoyl]amino]hexanoyl]amino]propanoyl]amino]acetyl]pyrrolidine-2-carbonyl]amino]propanoyl]amino]-3-methylpentanoyl]amino]propanoyl]amino]-3-methylbutanoyl]amino]-4-methylpentanoyl]amino]acetyl]amino]-4-carboxybutanoyl]amino]propanoyl]amino]hexanoyl]amino]propanoyl]amino]-4-methylpentanoic acid

Cecropin B (free acid) (catalogue number GA24078) is a research-grade chemical available from LABO Scientific in Israel, CAS registry number 203265-23-0. Molecular formula not stated, molecular weight 3835.71. IUPAC name: (2S)-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-2-[[2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3S)-2-[[(2S)-2-[[(2S)-1-[2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S,3S)-2-[[2-[[(2S)-4-amino-2-[[(2S)-2-[[(2S,3S)-2-[[(2S)-4-amino-2-[[(2S)-2-[[2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S,3S)-2-[[(2S)-6-amino-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-2,6-diaminohexanoyl]amino]-3-(1H-indol-3-yl)propanoyl]amino]hexanoyl]amino]-3-methylbutanoyl]amino]-3-phenylpropanoyl]amino]hexanoyl]amino]hexanoyl]amino]-3-methylpentanoyl]amino]-4-carboxybutanoyl]amino]hexanoyl]amino]-4-methylsulfanylbutanoyl]amino]acetyl]amino]-5-carbamimidamidopentanoyl]amino]-4-oxobutanoyl]amino]-3-methylpentanoyl]amino]-5-carbamimidamidopentanoyl]amino]-4-oxobutanoyl]amino]acetyl]amino]-3-methylpentanoyl]amino]-3-methylbutanoyl]amino]hexanoyl]amino]propanoyl]amino]acetyl]pyrrolidine-2-carbonyl]amino]propanoyl]amino]-3-methylpentanoyl]amino]propanoyl]amino]-3-methylbutanoyl]amino]-4-methylpentanoyl]amino]acetyl]amino]-4-carboxybutanoyl]amino]propanoyl]amino]hexanoyl]amino]propanoyl]amino]-4-methylpentanoic acid. Supplied in 2 pack sizes, from point5mg at ₪1,070.31 to 1mg at ₪1,544.28; the final price is confirmed on your quote, and the lot certificate of analysis and safety data sheet are emailed with your order confirmation.

ChemicalCAS203265-23-0MW3835.71
CAS number
203265-23-0
Molecular weight
3835.71
Formula
—
InChIKey
RZYJDNWZPQNFFI-MQAAYMCRSA-N
Catalogue number
GA24078
Brand
GLPBIO
Computed properties PubChem CID 131636560 · XLogP -10.1 · TPSA 1550 Ų · H-bond donors 53
XLogP
-10.1
TPSA
1550 Ų
H-bond donors
53
H-bond acceptors
53
Rotatable bonds
138
Heavy atoms
270

SMILES CC[C@H](C)[C@@H](C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](C)C(=O)NCC(=O)N1CCC[C@H]1C(=O)N[C@@H](C)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](C)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CC(C)C)C(=O)NCC(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](C)C(=O)N[C@@H](CC(C)C)C(=O)O)NC(=O)CNC(=O)[C@H](CC(=O)N)NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@H]([C@@H](C)CC)NC(=O)[C@H](CC(=O)N)NC(=O)[C@H](CCCNC(=N)N)NC(=O)CNC(=O)[C@H](CCSC)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CCC(=O)O)NC(=O)[C@H]([C@@H](C)CC)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CC2=CC=CC=C2)NC(=O)[C@H](C(C)C)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CC3=CNC4=CC=CC=C43)NC(=O)[C@H](CCCCN)N

Computed descriptors from PubChem (CID 131636560), public domain. Identity cross-checked against the supplier's molecular formula and weight — verify before use.

Ordering in Israel

Lead time
Ships from the manufacturer to your lab in 8–14 business days; customs and cold chain handled by LABO Scientific.
Pricing
Quoted in ILS, excl. VAT. Add the item to your quote and we confirm the final price, usually the same business day.
Documents
Lot certificate of analysis and manufacturer SDS are emailed with your order confirmation.
Who we serve
Universities, hospitals and biotech companies across Israel. Research use only — not for diagnostic or therapeutic use.