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CS-W001157 4
Total: USD 88.00

Methyl (E)-penta-2,4-dienoate

  • CAS No. 2409-87-2

  • Cat. No. CS-0626198
  • Purity≥95%
  • MDL No.None
  • HazMat Fee +

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    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.

Methyl (E)-penta-2,4-dienoate|CS-0626198

Structure of 2409-87-2

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Description

Methyl (E)-penta-2,4-dienoate is a conjugated dienoate ester featuring a planar (E)-configured double bond system. This configuration imparts enhanced stability and predictable reactivity in Diels-Alder cycloadditions. The methyl ester group enables straightforward derivatization, while the extended π-conjugation supports efficient participation in photochemical and thermal pericyclic processes.

Application

Methyl (E)-penta-2,4-dienoate serves as a versatile diene building block in Diels-Alder reactions and conjugate additions, enabling efficient access to functionalized cyclohexene and γ-alkylated carbonyl scaffolds. Its stable (E)-configuration and terminal alkene functionality facilitate predictable reactivity in standard synthetic workflows. The ester group provides a handle for further derivatization while maintaining excellent bench stability and ease of purification.

General Information

  • CAS No. 2409-87-2
  • Cat. No. CS-0626198
  • Purity ≥95%
  • MDL No. None
  • Storage 4°C, stored under nitrogen
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₆H₈O₂
  • Molecular Weight 112.13
  • Synonym(s) None
  • SMILES C=C/C=C/C(OC)=O

Computational Chemistry Data

  • TPSA   26.3
  • LogP   0.9016
  • H_Acceptors   2
  • H_Donors   0
  • Rotatable_Bonds   2

Safety Information

Download SDS
GHS Pictogram :
GHS No : GHS02,GHS07
Signal Word : Danger
UN#: 3272
Class : 3
Packing Group :
Hazard Statements : H225-H315-H319-H335
Precautionary Statements : P210-P233-P240-P241-P242-P243-P261-P264-P271-P280-P302+P352-P304+P340-P362+P364-P370+P378-P405-P501

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