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Benzyl-PEG3-Tos is a PEG linker with an acid-labile benzyl protecting group and a tosyl group as a good leaving group. The hydrophilic PEG linker enhances the water solubility of the compound in aqueous media.

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  • 98627-22-6 Structure
  • Basic information

    1. Product Name: Benzyl-PEG3-Tos
    2. Synonyms: Benzyl-PEG3-Tos;2-(2-(benzyloxy)ethoxy)ethyl 4-methylbenzenesulfonate;2-(2-(benzyloxy)ethoxy)ethyl 4-methylbenzenesulfonate(WXC06918)
    3. CAS NO:98627-22-6
    4. Molecular Formula: C18H22O5S
    5. Molecular Weight: 350.42928
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 98627-22-6.mol
  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: /
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: Benzyl-PEG3-Tos(CAS DataBase Reference)
    10. NIST Chemistry Reference: Benzyl-PEG3-Tos(98627-22-6)
    11. EPA Substance Registry System: Benzyl-PEG3-Tos(98627-22-6)
  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 98627-22-6(Hazardous Substances Data)

98627-22-6 Usage

Uses

Used in Pharmaceutical Industry:
Benzyl-PEG3-Tos is used as a protecting group for drugs, enabling their controlled release in response to acidic conditions within the body. This allows for targeted drug delivery and reduced side effects.
Used in Drug Delivery Systems:
Benzyl-PEG3-Tos is used as a component in the design of drug delivery systems, where its acid-labile benzyl group allows for the release of the drug payload in response to specific pH conditions, such as those found in tumor microenvironments or intracellular compartments.
Used in Chemical Synthesis:
Benzyl-PEG3-Tos serves as an intermediate in the synthesis of various bioactive compounds, taking advantage of its acid-labile benzyl group for selective deprotection and subsequent reactions.

Check Digit Verification of cas no

The CAS Registry Mumber 98627-22-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,6,2 and 7 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 98627-22:
(7*9)+(6*8)+(5*6)+(4*2)+(3*7)+(2*2)+(1*2)=176
176 % 10 = 6
So 98627-22-6 is a valid CAS Registry Number.

98627-22-6Relevant articles and documents

SMALL-MOLECULE INHIBITORS FOR THE Β-CATENIN/B-CELL LYMPHOMA 9 PROTEIN?PROTEIN INTERACTION

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Page/Page column 163, (2021/04/01)

Disclosed are inhibitors for the β-catenin/B-cell lymphoma 9 interaction. The inhibitors are selective for β-catenin/B-cell lymphoma 9 over β-catenin/ E-cadherin PPI interaction. Methods of using the disclosed compounds to treat cancer are also disclosed.

BIFUNCTIONAL MOLECULES CONTAINING AN E3 UBIQUITINE LIGASE BINDING MOIETY LINKED TO A BCL6 TARGETING MOIETY

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Paragraph 00600; 00601, (2021/04/23)

Bifunctional compounds, which find utility as modulators of B-cell lymphoma 6 protein (BCL6; target protein), are described herein. In particular, the bifunctional compounds of the present disclosure contain on one end a Von Hippel-Lindau, cereblon, Inhibitors of Apotosis Proteins or mouse double-minute homolog 2 ligand that binds to the respective E3 ubiquitin ligase and on the other end a moiety which binds the target protein, such that the target protein is placed in proximity to the ubiquitin ligase to effect degradation (and inhibition) of target protein. The bifunctional compounds of the present disclosure exhibit a broad range of pharmacological activities associated with degradation/inhibition of target protein. Diseases or disorders that result from aggregation or accumulation of the target protein are treated or prevented with compounds and compositions of the present disclosure.

HETEROCYCLIC COMPOUND

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Paragraph 0595; 0597-0598, (2021/06/22)

One of the purposes of the present invention is to provide a heterocyclic derivative that has an IAP (particularly XIAP) binding (inhibiting) activity. Another of the purposes of the present invention is to provide a heterocyclic derivative that has an IAP (particularly XIAP) binding (inhibiting) activity and exhibits a protein degradation induction activity. The present invention provides a compound represented by formula (I) (the symbols in the formula are as defined in the present Description) and salts thereof.

MODULATORS OF PROTEOLYSIS AND ASSOCIATED METHODS OF USE

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Paragraph 00798-00799, (2019/10/29)

The present disclosure relates to bifunctional compounds, which find utility as modulators of Kirsten rat sarcoma protein (target protein). In particular, the present disclosure is directed to bifunctional compounds, which contain on one end a Von Hippel-Lindau, cereblon, Inhibitors of Apotosis Proteins or mouse double-minute homolog 2 ligand which binds to the respective E3 ubiquitin ligase and on the other end a moiety which binds the target protein, such that the target protein is placed in proximity to the ubiquitin ligase to effect degradation (and inhibition) of target protein. The present disclosure exhibits a broad range of pharmacological activities associated with degradation/inhibition of target protein. Diseases or disorders that result from aggregation, accumulation, and/or overactivation of the target protein are treated or prevented with compounds and compositions of the present disclosure.

BRM TARGETING COMPOUNDS AND ASSOCIATED METHODS OF USE

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Paragraph 0779, (2019/10/23)

The present disclosure relates to bifunctional compounds, which find utility as modulators of SMARCA2 or BRM (target protein). In particular, the present disclosure is directed to bifunctional compounds, which contain on one end a ligand that binds to the Von Hippel-Lindau E3 ubiquitin ligase, and on the other end a moiety which binds the target protein, such that the target protein is placed in proximity to the ubiquitin ligase to effect degradation (and inhibition) of target protein. The present disclosure exhibits a broad range of pharmacological activities associated with degradation/inhibition of target protein. Diseases or disorders that result from aggregation or accumulation of the target protein are treated or prevented with compounds and compositions of the present disclosure.

TAU-PROTEIN TARGETING PROTACS AND ASSOCIATED METHODS OF USE

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Paragraph 1481, (2018/05/24)

The present disclosure relates to bifunctional compounds, which find utility as modulators of tau protein. In particular, the present disclosure is directed to bifunctional compounds, which contain on one end a VHL or cereblon ligand which binds to the E3 ubiquitin ligase and on the other end a moiety which binds tau protein, such that tau protein is placed in proximity to the ubiquitin ligase to effect degradation (and inhibition) of tau. The present disclosure exhibits a broad range of pharmacological activities associated with degradation/inhibition of tau protein. Diseases or disorders that result from aggregation or accumulation of tau protein are treated or prevented with compounds and compositions of the present disclosure.

MDM2-BASED MODULATORS OF PROTEOLYSIS AND ASSOCIATED METHODS OF USE

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Paragraph 0395; 0400, (2017/01/31)

The description relates to MDM2 binding compounds, including bifunctional compounds comprising the same, which find utility as modulators of targeted ubiquitination, especially inhibitors of a variety of polypeptides and other proteins which are degraded and/or otherwise inhibited by bifunctional compounds according to the present invention. In particular, the description provides compounds, which contain on one end a ligand which binds to the MDM2 E3 ubiquitin ligase and on the other end a moiety which binds a target protein such that the target protein is placed in proximity to the ubiquitin ligase to effect degradation (and inhibition) of that protein. Compounds can be synthesized that exhibit a broad range of pharmacological activities consistent with the degradation/inhibition of targeted polypeptides of nearly any type.

CYCLIC COMPOUND HAVING SUBSTITUTED PHENYL GROUP

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Page/Page column 35, (2012/03/08)

An object of the present invention is to provide a novel low molecular weight compound exhibiting an osteogenesis-promoting action. This object is achieved by a compound having the general formula (I) or a pharmacologically acceptable salt thereof: wherein each substituent is defined as follows: R1 represents an alkyl group or the like; R2 represents an alkyl group or the like; R3 represents a hydrogen atom or the like; and Z represents -CH= or -N=.

A Synthesis of acetamidines

Harjani, Jitendra R.,Liang, Chen,Jessop, Philip G.

experimental part, p. 1683 - 1691 (2011/05/12)

The condensation of primary amine with N,N-dimethylacetamide dimethyl acetal yields amixture of acetamidine and imidate ester. The product distribution in this reaction depends on the temperature, solvent, and structure of the primary amine. It is possible to suppress the formation of imidate ester by performing the reaction in the presence of excess dimethyl amine, yielding acetamidine as the exclusive product. For acetamidines that cannot be purified either by crystallization or distillation, this new method is necessary for the generation of pure acetamidines in good yields.

Towards the development of new subtype-specific muscarinic receptor radiopharmaceuticals - Radiosynthesis and ex vivo biodistribution of [ 18F]3-(4-(2-(2-(2-fluoroethoxy)ethoxy)ethylthio)-1,2, 5-thiadiazol-3-yl)-1-methyl-1,2,5,6-tetrahydropyrid

Van Oosten, Erik M.,Wilson, Alan A.,Mamo, David C.,Pollock, Bruce G.,Mulsant, Benoit H.,Houle, Sylvain,Vasdev, Neil

, p. 1222 - 1232 (2011/02/24)

Muscarinic receptors have been implicated in neurological disorders including Alzheimer's disease, Parkinson's disease, and schizophrenia. Nineteen derivatives of thiadiazolyltetrahydropyridine (TZTP), a core that has previously shown high affinities towa

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