Date published: 2026-4-26

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3,4-Dihydroxybenzoic acid 3-O-sulfate sodium salt (CAS 76496-11-2 free acid)

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Alternate Names:
4-Hydroxy-3-(sulfooxy)benzoic Acid 3-O-Sulfate Sodium; 5-Carboxy-2-hydroxyphenyl Sulfate 3-O-Sulfate Sodium
CAS Number:
76496-11-2 free acid
Molecular Weight:
278.15
Molecular Formula:
C7H4Na2O7S
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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3,4-Dihydroxybenzoic acid 3-O-sulfate sodium salt is a chemical compound that belongs to the class of sulfated phenolic acids. It is also known by other names such as 3,4-dihydroxybenzoate 3-sulfate sodium salt or 3,4-dihydroxybenzoic acid 3-sulfate monosodium salt. Chemically, it is derived from 3,4-dihydroxybenzoic acid (also known as protocatechuic acid) by the addition of a sulfate group at the 3rd position. The sodium salt form is obtained by neutralizing the acidic compound with sodium hydroxide. This compound is primarily used in biochemical research, particularly in studies related to the metabolism of phenolic compounds. It can serve as a substrate for enzymes involved in the metabolism of sulfated phenolic acids or as a reference compound for analytical purposes.


3,4-Dihydroxybenzoic acid 3-O-sulfate sodium salt (CAS 76496-11-2 free acid) References

  1. Evaluation of microextraction by packed sorbent, liquid-liquid microextraction and derivatization pretreatment of diet-derived phenolic acids in plasma by gas chromatography with triple quadrupole mass spectrometry.  |  Bustamante, L., et al. 2017. J Sep Sci. 40: 3487-3496. PMID: 28657140

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

3,4-Dihydroxybenzoic acid 3-O-sulfate sodium salt, 5 mg

sc-495989
5 mg
$401.00