Description

(+)-8-(2-Hydroxy-3-Methyl-3-Butenyl)-7-Methoxy-2H-1-Benzopyran-2-One is a high-purity, optically active coumarin derivative with significant biological activity. This compound is valued for its role as a key synthetic intermediate and a potential bioactive scaffold in advanced research and development. It is primarily sought by pharmaceutical, agrochemical, and fine chemical industries for applications in drug discovery, process chemistry, and the synthesis of complex natural products.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a reference standard or probe in pharmacological and enzymatic studies due to its specific coumarin-based activity.
• Agrochemical Development: Acts as a precursor for developing new crop protection agents and pesticides with enhanced efficacy.
• Natural Product Synthesis: Employed in the total or semi-synthesis of complex natural compounds containing the coumarin core structure.
• Fine Chemical Manufacturing: Utilized in the production of specialty chemicals, flavors, and fragrances requiring high-purity chiral intermediates.

Basic Information

Product Name	(+)-8-(2-Hydroxy-3-Methyl-3-Butenyl)-7-Methoxy-2H-1-Benzopyran-2-One
CAS No.	1221-43-8
Molecular Formula	C₁₅H₁₆O₄
Molecular Weight	260.29 g/mol
Synonyms	(+)-Marmesin; (+)-Marmesine; (S)-Marmesin; NSC 407303; 7-Methoxymarmesin; 8-(2-Hydroxy-3-methylbut-3-en-1-yl)-7-methoxy-2H-chromen-2-one; (S)-8-(2-Hydroxy-3-methyl-3-butenyl)-7-methoxycoumarin
EINECS	Contact for details

Quality Control

Our (+)-8-(2-Hydroxy-3-Methyl-3-Butenyl)-7-Methoxy-2H-1-Benzopyran-2-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis, to ensure compliance with research and development grade specifications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from heat sources and incompatible materials.

Specification

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