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CS-W001157 4
Total: USD 88.00

Hydroxy-PEG4-CH2-Boc

  • CAS No. 169751-72-8

  • Cat. No. CS-0024772
  • Purity≥97%
  • MDL No.MFCD27635170
  • HazMat Fee +

    HazMat Fee

    An item is classified as a dangerous good if our website displays Hazardous Material (HazMat) information for it. There is a HazMat shipping fee for each item that qualifies as a dangerous good, except in the following scenarios:

    The shipment is processed through FedEx Ground under the Limited Quantity option.

    Each bottle is packed as an Excepted Quantity, with a maximum of 1g for items in class 6.1 packing group I or II, and up to 25g for all other hazardous materials.

    If shipping is charged to your FedEx account, the HazMat fee will be billed directly by the courier. Otherwise, the fee will be included on your invoice. To help you avoid the HazMat fee, we can package a 5g order of a class 6.1 packing group I or II material as five separate 1g units, and a 100g order of any other dangerous good as four 25g units. This packaging adjustment will be made unless you instruct otherwise on your purchase order. Below, you will find the fee schedule from FedEx for handling hazardous materials.

    Type
    HazMat Fee
    Excepted Quantity $0.00
    FedEx Limited Quantities Ground $0.00
    Hazmat Ground shipping $50.00+
    Inaccessible (Haz class 6.1 or 9), Domestic $68.00+
    Accessible (Haz class 3, 4, 5 or 8), Domestic $158.00+
    Inaccessible (Haz class 6.1 or 9), International $108.00+
    Accessible (Haz class 3, 4, 5 or 8), International $238.00+

    An item is classified as a dangerous good if our website displays Hazardous Material (HazMat) information for it.

    There is a HazMat shipping fee for each item that qualifies as a dangerous good. Please contact our quotation team via email to confirm the details.

*For research and further manufacturing use only, not for direct human use.

Hydroxy-PEG4-CH2-Boc|CS-0024772

Structure of 169751-72-8

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Description

Hydroxy-PEG4-CH2-Boc features a hydroxyl-terminated PEG4 spacer linked to a Boc-protected amine via a methylene bridge. This bifunctional intermediate enables controlled conjugation and protection in peptide synthesis and bioconjugation workflows. The hydrophilic PEG chain enhances solubility, while the stable Boc group allows for selective deprotection under mild acidic conditions.

Application

Hydroxy-PEG4-CH2-Boc serves as a versatile, bench-stable building block for the synthesis of PEGylated compounds and bioconjugates. The hydroxyl group enables straightforward derivatization, while the Boc-protected amine offers orthogonal functionality for selective coupling. Its PEG4 spacer provides enhanced solubility and reduced aggregation, facilitating purification and downstream applications in medicinal chemistry and polymer science.

General Information

  • CAS No. 169751-72-8
  • Cat. No. CS-0024772
  • Purity ≥97%
  • MDL No. MFCD27635170
  • Storage 4°C, stored under nitrogen
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₁₄H₂₈O₇
  • Molecular Weight 308.37
  • Synonym(s) None
  • SMILES O=C(OC(C)(C)C)COCCOCCOCCOCCO

Computational Chemistry Data

  • TPSA   83.45
  • LogP   0.3868
  • H_Acceptors   7
  • H_Donors   1
  • Rotatable_Bonds   13

Safety Information

Download SDS
GHS Pictogram :
GHS No : GHS07
Signal Word : Warning
UN#: N/A
Class : N/A
Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

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