Description

[Z,(-)]-2-Methyl-2-Butenoic Acid 7,8-Dihydro-8,8-Dimethyl-7-[(3-Methyl-1-Oxo-2-Butenyl)Oxy]-2-Oxo-2H,6H-Benzo[1,2-B:5,4-B']Dipyran-6-Yl Ester is a high-purity, complex organic ester with a defined stereochemistry. This compound is valued for its role as a key synthetic intermediate and building block in advanced organic synthesis. It is primarily utilized by research and development laboratories and production facilities in the pharmaceutical, agrochemical, and fine chemical sectors for the development of novel active ingredients and specialty materials.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of complex drug candidates and active pharmaceutical ingredients (APIs), particularly in medicinal chemistry research.
• Agrochemical Synthesis: Used as a building block for developing new pesticides, herbicides, and plant growth regulators with specific biological activity.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, flavors, fragrances, and advanced materials requiring precise molecular architecture.
• Organic Chemistry Research: A valuable reagent for academic and industrial R&D focused on stereoselective synthesis, natural product analogs, and novel heterocyclic compounds.
• Material Science: Potential monomer or modifier in the development of specialized polymers and coatings with tailored properties.

Basic Information

Item	Details
Product Name	[Z,(-)]-2-Methyl-2-Butenoic Acid 7,8-Dihydro-8,8-Dimethyl-7-[(3-Methyl-1-Oxo-2-Butenyl)Oxy]-2-Oxo-2H,6H-Benzo[1,2-B:5,4-B']Dipyran-6-Yl Ester
CAS No.	28812-09-1
Molecular Formula	C24H28O7
Molecular Weight	428.48 g/mol
Synonyms	(-)-2-Methyl-2-butenoic acid 7,8-dihydro-8,8-dimethyl-7-[(3-methyl-1-oxo-2-butenyl)oxy]-2-oxo-2H,6H-benzo[1,2-b:5,4-b']dipyran-6-yl ester; (Z)-2-Methyl-2-butenoic acid 7,8-dihydro-8,8-dimethyl-7-[(3-methyl-1-oxo-2-butenyl)oxy]-2-oxo-2H,6H-benzo[1,2-b:5,4-b']dipyran-6-yl ester; 7,8-Dihydro-8,8-dimethyl-7-[(3-methyl-1-oxo-2-butenyl)oxy]-2-oxo-2H,6H-benzo[1,2-b:5,4-b']dipyran-6-yl (Z)-2-methyl-2-butenoate; Angelicin derivative ester; Psoralen-related ester.
EINECS	Contact for details

Quality Control

Our [Z,(-)]-2-Methyl-2-Butenoic Acid 7,8-Dihydro-8,8-Dimethyl-7-[(3-Methyl-1-Oxo-2-Butenyl)Oxy]-2-Oxo-2H,6H-Benzo[1,2-B:5,4-B']Dipyran-6-Yl Ester is produced under a strict quality management system. Each batch is subjected to comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for research and synthesis. Certificates of Analysis (COA) detailing all test results are available upon request.

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, sparks, and open flame. For long-term storage, consider inert gas purging to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
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.