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Chemical structure of Biotinyl-NH-PEG3-C3-amido-C3-COOH

GC66254

Biotinyl-NH-PEG3-C3-amido-C3-COOH

Also known as 5-[3-[2-[2-[3-[5-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]propoxy]ethoxy]ethoxy]propylamino]-5-oxopentanoic acid

Biotinyl-NH-PEG3-C3-amido-C3-COOH is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs

ChemicalCAS1202761-21-4MW560.7FormulaC25H44N4O8S
CAS number
1202761-21-4
Molecular weight
560.7
Formula
C25H44N4O8S
Solubility
DMSO : 250 mg/mL (445·87 mM; Need ultrasonic)
InChIKey
KUWCOOYXVSTSME-SKPFHBQLSA-N
Catalogue number
GC66254
Brand
GLPBIO
Computed properties PubChem CID 87224698 · XLogP -0.5 · TPSA 190 Ų · H-bond donors 5
XLogP
-0.5
TPSA
190 Ų
H-bond donors
5
H-bond acceptors
9
Rotatable bonds
23
Heavy atoms
38

SMILES C1[C@H]2[C@@H]([C@@H](S1)CCCCC(=O)NCCCOCCOCCOCCCNC(=O)CCCC(=O)O)NC(=O)N2

Computed descriptors from PubChem (CID 87224698), 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.