1,4-Dihydroxy-2-naphthoic acid


Linear Formula:
CAS Number:
Molecular Weight:
EC Number:
MDL number:
PubChem Substance ID:

Quality Level




220 °C (dec.) (lit.)

SMILES string




InChI key


Related Categories

General description

1,4-Dihydroxy-2-naphthoic acid from Propionibacterium freudenreichii is known to promote the proliferation of Bifidobacterium. It has potential therapeutic application for psoriasis treatment.


25 g in poly bottle

Other Notes

Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or download in PDF. 281255.pdf Tested metabolites are featured on Scripps Center for Metabolomics METLIN Metabolite Database. To learn more, visit sigma.com/metlin.


Exclamation mark

Signal Word


Hazard Statements

Precautionary Statements

Target Organs

Respiratory system

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves


NONH for all modes of transport

WGK Germany


Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis
Certificate of Origin
Toshio Furumoto
Bioscience, biotechnology, and biochemistry, 73(11), 2535-2537 (2009-11-10)
The incorporation of [1-(13)C]glucose into 2,3-epoxysesamone, the main prenylnaphthoquinone in a hairy root culture of Sesamum indicum, indicated that the naphthoquinone moiety and dimethylallyl group were respectively derived from o-succinylbenzoate produced through a shikimate pathway and non-mevalonate pathway. The labeling...
Site of prenylation reaction in synthesis of phylloquinone (vitamin K1) by spinach chloroplasts.
G Schultz et al.
European journal of biochemistry, 117(2), 329-332 (1981-07-01)
Kumiko Nagata et al.
Helicobacter, 15(5), 422-429 (2010-11-19)
Triple therapy with amoxicillin, clarithromycin, and a proton-pump inhibitor is a common therapeutic strategy for the eradication of Helicobacter pylori (H. pylori). However, frequent appearance of clarithromycin-resistant strains is a therapeutic challenge. While various quinones are known to specifically inhibit...
Biosynthesis of vitamin K (menaquinone) in bacteria.
R Bentley et al.
Microbiological reviews, 46(3), 241-280 (1982-09-01)
Yung-Fu Wang et al.
Biotechnology and bioengineering, 101(3), 579-586 (2008-05-06)
The end-product profile of the glucose fermentation by Propionibacterium freudenreichii ET-3 changed on an electrochemical treatment, in which the culture vessel was filled with a carbon felt anode. Acetate and propionate were produced as final end products in a molar...

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service

Social Media

LinkedIn icon
Twitter icon
Facebook Icon
Instagram Icon


Research. Development. Production.

We are a leading supplier to the global Life Science industry with solutions and services for research, biotechnology development and production, and pharmaceutical drug therapy development and production.

© 2021 Merck KGaA, Darmstadt, Germany and/or its affiliates. All Rights Reserved.

Reproduction of any materials from the site is strictly forbidden without permission.