Description

(+)-Mellein CAS NO 62623-84-1 is a specific enantiomer of the naturally occurring dihydroisocoumarin, mellein. This compound is significant as a key chiral intermediate and a reference standard in organic synthesis and analytical research. It is primarily utilized by researchers and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries for developing active ingredients and studying biological pathways.

Application

• Pharmaceutical Intermediate: Serves as a crucial chiral building block for the synthesis of complex natural products and potential drug candidates.
• Agrochemical Research: Used in the development and study of novel pesticides and fungicides, leveraging its natural product origin.
• Biochemical Research: Acts as a reference standard and probe in studies of enzyme inhibition, microbial metabolism, and plant-pathogen interactions.
• Fine Chemical Synthesis: Employed as a starting material or intermediate for synthesizing flavors, fragrances, and other specialty chemicals.
• Analytical Standard: Provides a high-purity benchmark for qualitative and quantitative analysis (HPLC, GC, LC-MS) in quality control and research laboratories.

Basic Information

Product Name	(+)-Mellein
CAS No.	62623-84-1
Molecular Formula	C10H10O3
Molecular Weight	178.18 g/mol
Synonyms	(3R)-3,4-Dihydro-8-hydroxy-3-methyl-1H-2-benzopyran-1-one; (R)-(-)-8-Hydroxy-3-methyl-3,4-dihydroisocoumarin; (R)-Mellein; (R)-Ochracin; D-(+)-Mellein; (R)-3,4-Dihydro-8-hydroxy-3-methylisocoumarin; Natural Ochracin
EINECS	Contact for details

Quality Control

Our (+)-Mellein is produced and handled under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chiral purity verification by HPLC, to ensure identity, potency, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Keep the container sealed to protect this light-sensitive compound from degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% (R)-enantiomer
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.