Description

4,7-Dihydroxycoumarin is a dihydroxy-substituted derivative of the coumarin family, known for its distinctive phenolic structure. This compound serves as a versatile pharmacological intermediate and a key building block in organic synthesis due to its reactive hydroxyl groups. It is primarily utilized by manufacturers in the pharmaceutical, cosmetic, and fine chemical industries for research and development of new active ingredients.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various bioactive molecules and potential drug candidates.
• UV Absorber & Skin Care Agent: Used in cosmetic formulations for its ability to absorb ultraviolet light and its associated skin-beneficial properties.
• Fluorescent Probe & Sensor Development: Employed in analytical chemistry and biochemistry due to its inherent fluorescence.
• Organic Synthesis Building Block: Utilized for constructing more complex heterocyclic compounds and natural product analogs.
• Antioxidant Research: Investigated for its radical scavenging activity in nutritional and cosmetic applications.
• Dye & Pigment Intermediate: Serves as a starting material for certain specialty dyes and optical brighteners.

Basic Information

Product Name	4,7-Dihydroxycoumarin
CAS No.	1983-81-9
Molecular Formula	C9H6O4
Molecular Weight	178.14 g/mol
Synonyms	4,7-Dihydroxy-2H-1-benzopyran-2-one; 4,7-Dihydroxy-2H-chromen-2-one; 7-Hydroxy-4-hydroxycoumarin; 4,7-Dihydroxycoumarin; Urolithin B Precursor; Esculetin (Note: Esculetin is typically 6,7-dihydroxycoumarin, but can be a common misnomer); 4,7-DHC
EINECS	217-852-5

Quality Control

Our 4,7-Dihydroxycoumarin is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and melting point, to ensure it meets precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Melting Point	285 - 295 °C (dec.)
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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