Catalog No. Size PriceQuantity
M13176-2 2mg solid $80
M13176-10 10mg solid $240


Naphthoresorcinol (1,3-Dihydroxynaphthalene) is a fluorescent dye (λex=330 nm, λem=380 nm) that can react with the NPPD (a tracer) and concentrated HCl and develop a red color. Naphthoresorcinol could be used as a background electrolyte (BGE) to determine the carbohydrates.

Product information

CAS Number: 132-86-5

Molecular Weight: 160.17

Formula: C10H8O2



Chemical Name: naphthalene-1,3-diol

Smiles: OC1C=C2C=CC=CC2=C(O)C=1


InChi: InChI=1S/C10H8O2/c11-8-5-7-3-1-2-4-9(7)10(12)6-8/h1-6,11-12H

Technical Data

Appearance: Solid Power

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

Solubility: Soluble in DMSO

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


  1. Vyas S, et, al. Fluorescence and light scattering studies on the interaction of 1,3-dihydroxynaphthalene with ionic and non-ionic surfactants. Polymer Photochemistry. 1984; 4(4):245-253.
  2. Suzuki S, et, al. Development of a field kit for use by non-scientists for chemical tracking using 5-(4-nitrophenyl)-2,4-pentadien-1-al. Forensic Sci Int. 2013 May 10;228(1-3):e25-7.
  3. Lee YH, et, al. Determination of carbohydrates by high-performance capillary electrophoresis with indirect absorbance detection. J Chromatogr B Biomed Appl. 1996 May 31;681(1):87-97.

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

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