COOtBu-PEG9-I

Name: COOtBu-PEG9-I
Brand: BOC Sciences
Rating: 5 (1 reviews)

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Category	COOtBu-PEGn-I
Catalog NO.	BPG-0190
Product Name	COOtBu-PEG9-I
Molecular Formula	C25H49IO11
Molecular Weight	652.56

COOtBu-PEG9-I @(data.CAS != null ? $"| CAS " : "") - BOC Sciences

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Description	COOtBu-PEG9-I is a PEG reagent containing an iodine group and a t-butyl ester. The iodine (I) acts as a good leaving group for nucleophilic substitution reactions. The t-butyl ester group can be deprotected under acidic conditions.
Synonyms	Iodo-PEG9-C2-Boc; Iodino-PEG9-t butyl ester; tert-butyl 1-iodo-3,6,9,12,15,18,21,24,27-nonaoxatriacontan-30-oate
IUPAC Name	tert-butyl 3-[2-[2-[2-[2-[2-[2-[2-[2-(2-iodoethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoate
SMILES	O=C(OC(C)(C)C)CCOCCOCCOCCOCCOCCOCCOCCOCCOCCI
InChI	InChI=1S/C25H49IO11/c1-25(2,3)37-24(27)4-6-28-8-10-30-12-14-32-16-18-34-20-22-36-23-21-35-19-17-33-15-13-31-11-9-29-7-5-26/h4-23H2,1-3H3
InChIKey	NWLASHXFEPRIEG-UHFFFAOYSA-N
Purity	≥95%
Storage	Store at 2-8°C

COOtBu-PEG9-I, known chemically as tert-butyl (9-iodo-9-oxononyl) polyethylene glycol, is a versatile compound with broad applications in various scientific fields. One of its primary uses is in drug delivery systems. Leveraging the polyethylene glycol (PEG) component, which is hydrophilic and biocompatible, COOtBu-PEG9-I enables the enhanced solubility of hydrophobic drugs. The iodinated end group facilitates the coupling to pharmaceutical agents, making the compound highly effective in improving drug circulatory time and reducing immunogenic responses. The result is an overall improvement in the therapeutic index of many medications.

In the realm of biotechnology, COOtBu-PEG9-I serves a crucial role in biomolecule modification. By attaching to proteins, peptides, or other bioactive molecules, the PEGylation process enhances their stability, solubility, and immunogenicity. Moreover, the tert-butyl group can act as a protective moiety during the synthesis process, ensuring the functional integrity of bioactive molecules until they reach their target. This ability to customize and stabilize biomolecules makes COOtBu-PEG9-I invaluable in the design of next-generation biopharmaceuticals and diagnostic tools.

COOtBu-PEG9-I is also instrumental in the field of materials science, particularly in the synthesis of PEGylated nanomaterials. Nanoparticles modified with COOtBu-PEG9-I exhibit improved dispersion stability in aqueous solutions, making them highly effective in biomedical applications such as targeted drug delivery, imaging, and diagnostics. The iodine component provides an avenue for radiolabeling, thus enabling precise tracking and imaging using techniques such as CT scans and X-rays. This multifaceted utility renders COOtBu-PEG9-I crucial in the development of advanced nanotechnology platforms aiming for personalized medicine.

Lastly, COOtBu-PEG9-I finds significant application in surface modification. Coating surfaces of medical implants, sensors, and laboratory equipment with this compound can drastically enhance their biocompatibility and reduce nonspecific binding, which is crucial for applications like biosensors and artificial organs. The PEG chain acts as a steric barrier, preventing protein adsorption and cellular adhesion, while the iodine group allows for easy grafting onto various substrates. These properties extend the operational lifespan and reliability of biomedical devices, proving COOtBu-PEG9-I to be a cornerstone in the advancement of medical technology.

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