Protein Modifiers

CovaChem offers a wide range of Protein Modification Reagents. These products include biotinylation reagents, amine blocking reagents and ionization improving tags for mass spectrometry applications. Please let us know if we can improve this offering, or if you would like us to provide you with a quotation for a custom product synthesis.

Biotinylation Compounds
(9 products)

Other Protein Modifiers
(11 products)

  • 4-Azidobenzoic acid

    p-Azidobenzoic acid is a chemical reagent that can be utilized to introduce a photoreactive (azide) group to a protein or other compound.

    Package Sizes: 1 gram and 5 grams

    Product Numbers: 14108-1 and 14108-5

    Product Name: 4-azidobenzoic acid

    Alternative Names: p-azidobenzoic acid; 4-ABA; HSAB acid


    Appearance: White Solid

    Purity: is ≥ 97%

    Storage: 4 °C, protected from light


    Properties Physical State: Solid

    CAS#: 6427-66-3

    Chemical Formula: C7H5N3O2S

    Molecular Weight: 163.13

    Tariff Code: 3824.90.9290