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CS-W001157 4
Total: USD 88.00

4-Ethynyl-2-fluoro-1-methoxybenzene

  • CAS No. 120136-28-9

  • Cat. No. CS-0442357
  • Purity≥98%
  • MDL No.None
  • 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.

4-Ethynyl-2-fluoro-1-methoxybenzene|CS-0442357

Structure of 120136-28-9

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Description

4-Ethynyl-2-fluoro-1-methoxybenzene features a trifunctional aromatic core integrating an ethynyl group, a fluorine atom, and a methoxy substituent. This electron-deficient scaffold enables efficient coupling in palladium-catalyzed reactions, offering high stability under standard conditions. The strategic placement of the ethynyl moiety facilitates direct incorporation into complex molecular architectures.

Application

4-Ethynyl-2-fluoro-1-methoxybenzene serves as a versatile building block in transition-metal-catalyzed coupling reactions, enabling efficient access to conjugated aryl systems. The ethynyl group facilitates Sonogashira and Glaser-type couplings, while the fluorine and methoxy substituents provide orthogonal reactivity and enhanced metabolic stability. This compound exhibits excellent bench stability and is compatible with standard purification protocols, making it ideal for iterative synthesis in medicinal chemistry and materials science applications.

General Information

  • CAS No. 120136-28-9
  • Cat. No. CS-0442357
  • Purity ≥98%
  • MDL No. None
  • Storage 4°C, stored under nitrogen
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₉H₇FO
  • Molecular Weight 150.15
  • Synonym(s) Benzene, 4-ethynyl-2-fluoro-1-methoxy- (9CI)
  • SMILES C#CC1=CC(=C(C=C1)OC)F

Computational Chemistry Data

  • TPSA   9.23
  • LogP   1.8156
  • H_Acceptors   1
  • H_Donors   0
  • Rotatable_Bonds   1

Safety Information

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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-P403+P233-P405-P501

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