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CS-W001157 4
Total: USD 88.00

5-Tert-butoxy-5-oxopentanoic acid

  • CAS No. 63128-51-8

  • Cat. No. CS-0139660
  • Purity≥97%
  • MDL No.MFCD09759103
  • 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.

5-Tert-butoxy-5-oxopentanoic acid|CS-0139660

Structure of 63128-51-8

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Description

5-Tert-butoxy-5-oxopentanoic acid features a sterically hindered tert-butoxy group flanking a ketone and carboxylic acid, enabling stable enolization and controlled reactivity. This configuration supports selective Michael additions and facilitates efficient synthesis of functionalized carbonyl intermediates under mild conditions.

Application

5-tert-Butoxy-5-oxopentanoic acid serves as a versatile synthon in organic synthesis, enabling efficient access to functionalized γ-keto esters and heterocyclic scaffolds. Its stability under standard reaction conditions, combined with facile deprotection of the tert-butoxy group, facilitates downstream transformations. The molecule functions as a reliable building block for complex carbonyl architectures, particularly in the construction of biologically relevant cyclic systems via cyclization protocols.

General Information

  • CAS No. 63128-51-8
  • Cat. No. CS-0139660
  • Purity ≥97%
  • MDL No. MFCD09759103
  • Storage Store at room temperature
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₉H₁₆O₄
  • Molecular Weight 188.22
  • Synonym(s) None
  • SMILES O=C(O)CCCC(=O)OC(C)(C)C

Computational Chemistry Data

  • TPSA   63.6
  • LogP   1.583
  • H_Acceptors   3
  • H_Donors   1
  • Rotatable_Bonds   4

Safety Information

Download SDS
GHS Pictogram :
GHS No : GHS05
Signal Word : Danger
UN#: 1759
Class : 8
Packing Group : Ⅲ
Hazard Statements : H318
Precautionary Statements : P260-P264-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P363-P405-P501

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