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128660-97-9

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128660-97-9 Usage

Description

THP-PEG5 is a PEG (polyethylene glycol) linker that features a THP (tetrahydropyranyl) protecting group and a terminal hydroxyl group. The THP group is an acid-labile, alcohol protecting group, which means it can be removed under acidic conditions, revealing the alcohol functionality. The terminal hydroxyl group allows for further chemical modifications and derivatization of the compound. The presence of hydrophilic PEG linkers enhances the water solubility of THP-PEG5 in aqueous media, making it a versatile molecule for various applications.

Uses

Used in Pharmaceutical Industry:
THP-PEG5 is used as a protecting group for alcohols in the synthesis of complex organic molecules, particularly in the pharmaceutical industry. The acid-labile nature of the THP group allows for selective deprotection under acidic conditions, enabling the controlled release of active pharmaceutical ingredients.
Used in Drug Delivery Systems:
THP-PEG5 is used as a component in the design and development of drug delivery systems. The hydrophilic PEG linkers improve the solubility and stability of drug molecules in aqueous environments, while the terminal hydroxyl group allows for the attachment of drug molecules or other functional groups. This enhances the bioavailability and targeted delivery of therapeutic agents.
Used in Chemical Synthesis:
THP-PEG5 is used as an intermediate in the synthesis of various chemical compounds, particularly those requiring a hydroxyl group for further functionalization. The acid-labile THP group provides a means to control the reactivity and selectivity of the molecule during the synthesis process.
Used in Bioconjugation:
THP-PEG5 is used as a bioconjugation agent, facilitating the attachment of biologically active molecules, such as proteins, peptides, or nucleic acids, to other molecules or surfaces. The hydroxyl group can be used to form covalent bonds with the target biomolecule, while the PEG linker provides a hydrophilic spacer to reduce non-specific interactions and increase solubility.
Used in Material Science:
THP-PEG5 can be used in the development of novel materials with enhanced properties, such as improved water solubility, increased stability, or tailored reactivity. The PEG linker and terminal hydroxyl group can be incorporated into polymers, dendrimers, or other macromolecular structures to achieve specific material characteristics.

Check Digit Verification of cas no

The CAS Registry Mumber 128660-97-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,6,6 and 0 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 128660-97:
(8*1)+(7*2)+(6*8)+(5*6)+(4*6)+(3*0)+(2*9)+(1*7)=149
149 % 10 = 9
So 128660-97-9 is a valid CAS Registry Number.

128660-97-9Relevant articles and documents

Enzymatic incorporation of an antibody-activated blue fluorophore into DNA

Kaufmann, Gunnar F.,Meijler, Michael M.,Sun, Chengzao,Chen, Da-Wei,Kujawa, David P.,Mee, Jenny M.,Hoffman, Timothy Z.,Wirsching, Peter,Lerner, Richard A.,Janda, Kim D.

, p. 2144 - 2148 (2005)

(Chemical Equation Presented) Antibodies as light switches: The deoxy-nucleotide analogue-stilbene conjugate 1 can be incorporated into nascent DNA by DNA polymerase activity. The blue fluorescence of stilbene is detected only upon binding of an antibody

Amphiphilic conjugated thiophenes for self-assembling antenna systems in water

Van Rijn, Patrick,Savenije, Tom J.,Stuart, Marc C. A.,Van Esch, Jan H.

, p. 2163 - 2165 (2009)

Newly developed conjugated terthiophene surfactants are able to aggregate in water and to act as a host for hydrophobic chromophores, creating a multiple donor-acceptor energy transfer (ET) system by self-assembly.

Preparation of 7-methoxy tacrine dimer analogs and their in vitro/in silico evaluation as potential cholinesterase inhibitors

Lee, Sang Kwang,Park, Min Kyun,Jhang, Ho Eun,Yi, Jinju,Nahm, Keepyong,Cho, Dae Won,Ra, Choon Sup,Musilek, Kamil,Horova, Anna,Korabecny, Jan,Dolezal, Rafael,Jun, Daniel,Kuca, Kamil Kuca

, p. 1654 - 1660 (2015)

Novel types of symmetric bis-7-methoxytacrines connected by oligoethyleneoxy chains 3-5 and nonsymmetric monomeric 7-methoxytacrines containing hydroxyl-terminated oligoethyleneoxy chains 6-8 were prepared, and their in vitro/in silico effects on human recombinant AChE (hAChE) and human plasmatic butyrylcholinesterase (hBChE) were compared, with 7-MEOTA (2) as the standard compound. The symmetric bis-7-MEOTA derivatives 3-5 showed hAChE inhibition similar to that of 2. On the other hand, their effects on hBChE revealed an increasing inhibition trend when the oligoethyleneoxy units between the two 7-MEOTA moieties became longer. Accordingly, compounds 4 and 5 showed better selectivity towards hBChE. The most effective in the inhibition hAChE and hBChE was compound 8 with the longest oligoethyleneglycol chain, whereas compounds 6 and 7 resulted in similar IC50 values. A molecular modeling study using substrates 5 and 8 showed a possible binding conformation and protein-ligand interaction between the substrates and AChE/BChE.

PYRROLOPYRIMIDINE DERIVATIVES USEFUL AS INHIBITORS OF INFLUENZA VIRUS REPLICATION

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Paragraph 00296, (2018/11/22)

Methods of inhibiting the replication of influenza viruses in a biological sample or patient, of reducing the amount of influenza viruses in a biological sample or patient, and of treating influenza in a patient, comprises administering to said biological sample or patient a safe and effective amount of a compound represented by any of Formulas l-lll, or a pharmaceutically acceptable salt thereof. A pharmaceutical composition comprises a safe and effective amount of such a compound or pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier, adjuvant or vehicle.

A practical and scalable process to selectively monofunctionalize water-soluble α,ω-diols

Zhang, Quanxuan,Ren, Hong,Baker, Gregory L.

supporting information, p. 3384 - 3386 (2014/06/09)

A practical protocol for rapid and scalable synthesis of monofunctionalized α,ω-diols using a simple and inexpensive THP ether protection/deprotection strategy was described. Use of inexpensive DHP source and ease to remove excess water-soluble α,ω-diols

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