Catalog No. Size PriceQuantity
M13789-2 2mg solid $80
M13789-10 10mg solid $240


Guaiacol, a phenolic compound, inhibits LPS-stimulated COX-2 expression and NF-κB activation. Anti-inflammatory activity.

Product information

CAS Number: 90-05-1

Molecular Weight: 124.14

Formula: C7H8O2



Chemical Name: 2-methoxyphenol

Smiles: COC1=CC=CC=C1O


InChi: InChI=1S/C7H8O2/c1-9-7-5-3-2-4-6(7)8/h2-5,8H,1H3

Technical Data

Appearance: Solid Power

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: DMSO : ≥ 100 mg/mL (805.54 mM). H2O : 37.5 mg/mL (302.08 mM; Need ultrasonic).

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200

How to use

In Vitro:

Guaiacol inhibits LPS-stimulated nuclear factor kappa B (NF-κB) activation and cyclooxygenase (COX)-2 gene expression in cells of the RAW 264.7 murine macrophage cell line. Phenolic compounds such as Phenol, Eugenol, Guaiacol and Vanillin inhibit sheep vesicular gland prostaglandin cyclooxygenase, as indicated by their 50% inhibition concentrations, which decline in the following order: Phenol (1600 μM) > Vanillin (>500 μM) > Guaiacol (72 μM) > Eugenol (12 μM).


  1. Murakami Y, et al. Re-evaluation of cyclooxygenase-2-inhibiting activity of vanillin and Guaiacol in macrophages stimulated with lipopolysaccharide. Anticancer Res. 2007 Mar-Apr;27(2):801-7.

Products are for research use only. Not for human use.

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