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Chemical structure of Antagonist G

GC13407

Antagonist G

Also known as (2S)-2-[[(2R)-2-[[(2S)-2-[[(2R)-2-[[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]-3-(1H-indol-3-yl)propanoyl]-methylamino]-3-phenylpropanoyl]amino]-3-(1H-indol-3-yl)propanoyl]amino]-N-[(2S)-1-amino-4-methylsulfanyl-1-oxobutan-2-yl]-4-methylpentanamide

broad spectrum neuropeptide antagonist and antiproliferative agent

ChemicalCAS115150-59-9MW951.2FormulaC49H66N12O6S
CAS number
115150-59-9
Molecular weight
951.2
Formula
C49H66N12O6S
Solubility
≥ 190·8 mg/mL in DMSO, ≥ 190·6 mg/mL in EtOH
InChIKey
CUCSSYAUKKIDJV-FAXBSAIASA-N
Catalogue number
GC13407
Brand
GLPBIO
Computed properties PubChem CID 163960 · XLogP 3.3 · TPSA 327 Ų · H-bond donors 10
XLogP
3.3
TPSA
327 Ų
H-bond donors
10
H-bond acceptors
9
Rotatable bonds
26
Heavy atoms
68

SMILES CC(C)C[C@@H](C(=O)N[C@@H](CCSC)C(=O)N)NC(=O)[C@@H](CC1=CNC2=CC=CC=C21)NC(=O)[C@H](CC3=CC=CC=C3)N(C)C(=O)[C@@H](CC4=CNC5=CC=CC=C54)NC(=O)[C@H](CCCN=C(N)N)N

Computed descriptors from PubChem (CID 163960), 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
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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.