Description

Dihydroxyindole is a key heterocyclic organic compound and a fundamental building block in melanin chemistry. Its unique structure makes it a critical intermediate for synthesizing high-value pigments and bioactive molecules. This product is essential for manufacturers and researchers in the pharmaceutical, cosmetic, and advanced materials sectors seeking reliable, high-purity intermediates.

Application

• Primary Intermediate for Melanin Synthesis: Serves as a crucial precursor in the production of eumelanin and pheomelanin pigments for research and industrial applications.
• Cosmetic & Hair Dye Ingredient: Used in the formulation of permanent oxidative hair colors and self-tanning products due to its role in the melanogenesis pathway.
• Pharmaceutical Research: Acts as a key synthon in developing potential therapeutic agents targeting melanin-related pathways and neurological conditions.
• Biochemical Research & Assays: Employed as a standard or reagent in enzymatic studies related to tyrosinase activity and melanin production.
• Advanced Material Development: Investigated for use in organic semiconductors, conductive polymers, and bio-inspired materials due to its redox-active indole core.
• Analytical Reference Standard: Used in HPLC, LC-MS, and other analytical methods for quality control and metabolic studies in cosmetic and pharmaceutical labs.

Basic Information

Product Name	Dihydroxyindole
CAS No.	5638-85-7
Molecular Formula	C8H7NO2
Molecular Weight	149.15 g/mol
Synonyms	5,6-Dihydroxyindole; DHI; 1H-Indole-5,6-diol; 5,6-Dihydroxy-1H-indole; 5,6-DHI; Melanin Intermediate; Indole-5,6-diol
EINECS	227-092-0

Quality Control

Our Dihydroxyindole is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the stringent requirements of our global clientele. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C) under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light brown powder or crystals
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.