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5-Chlorothiophene-2-carbonitrile

  • CAS No. 50478-16-5

  • Cat. No. CS-0053914
  • Purity≥97%
  • 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.

5-Chlorothiophene-2-carbonitrile|CS-0053914

Structure of 50478-16-5

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Description

5-Chlorothiophene-2-carbonitrile features a thiophene core with complementary electron-withdrawing chloro and nitrile groups at the 5- and 2-positions, respectively. This arrangement enhances electrophilicity at the ring system, enabling efficient coupling in cross-coupling reactions. The molecule exhibits bench-stable handling and good solubility in common organic solvents, facilitating integration into synthetic sequences for pharmaceuticals and functional materials.

Application

5-Chlorothiophene-2-carbonitrile serves as a versatile building block in medicinal chemistry and materials science, enabling efficient access to functionalized thiophene scaffolds. Its dual electrophilic sites—chlorine at C5 and nitrile at C2—facilitate sequential coupling reactions via palladium-catalyzed cross-coupling or nucleophilic substitution. The compound exhibits excellent bench stability and compatibility with standard synthetic protocols, supporting rapid diversification of heterocyclic architectures in API development and organic semiconductor design.

General Information

  • CAS No. 50478-16-5
  • Cat. No. CS-0053914
  • Purity ≥97%
  • MDL No. None
  • Storage 4°C
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₅H₂ClNS
  • Molecular Weight 143.59
  • Synonym(s) 5-Chloro-2-thiophenecarbonitrile
  • SMILES N#CC1=CC=C(Cl)S1

Computational Chemistry Data

  • TPSA   23.79
  • LogP   2.27318
  • H_Acceptors   2
  • H_Donors   0
  • Rotatable_Bonds   0

Safety Information

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GHS Pictogram :
GHS No : GHS05,GHS06
Signal Word : Danger
UN#: 2810
Class : 6.1
Packing Group :
Hazard Statements : H301-H310+H330-H318
Precautionary Statements : P260-P262-P264-P270-P271-P280-P284-P302+P352-P304+P340-P330-P361+P364-P405-P501

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