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CS-W001157 4
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Benzo[b]thiophene-7-carboxylic acid

  • CAS No. 10134-98-2

  • Cat. No. CS-0034918
  • Purity≥98%
  • MDL No.None
  • HazMat Fee +

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    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.

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    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.

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

Benzo[b]thiophene-7-carboxylic acid|CS-0034918

Structure of 10134-98-2

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Description

Benzo[b]thiophene-7-carboxylic acid features a fused benzothiophene core with a carboxylic acid group at the 7-position, enabling direct integration into bioactive molecules. The electron-deficient heterocycle enhances reactivity in coupling reactions, while the acidic proton supports salt formation and solubility tuning. This scaffold serves as a key building block in medicinal chemistry and materials science.

Application

Benzo[b]thiophene-7-carboxylic acid serves as a versatile building block for the synthesis of biologically active heterocycles and pharmaceutical intermediates. Its carboxylic acid functionality enables direct derivatization via amide, ester, or acyl chloride formation, while the fused benzo[b]thiophene core provides structural rigidity and favorable π-stacking properties. The compound exhibits good bench stability and facilitates efficient functionalization in standard coupling reactions, making it valuable for medicinal chemistry and materials science applications.

General Information

  • CAS No. 10134-98-2
  • Cat. No. CS-0034918
  • Purity ≥98%
  • MDL No. None
  • Storage Store at room temperature
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₉H₆O₂S
  • Molecular Weight 178.21
  • Synonym(s) 1-benzothiophene-7-carboxylic acid
  • SMILES O=C(C1=C2C(C=CS2)=CC=C1)O

Computational Chemistry Data

  • TPSA   37.3
  • LogP   2.5995
  • H_Acceptors   2
  • H_Donors   1
  • 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-P330-P362+P364-P405-P501

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