Description

2-Methyl-2-Butenoic Acid [9,10-Dihydro-8,8-Dimethyl-10-[(3-Methylthio-1-Oxo-2-Propenyl)Oxy]-2-Oxo-2H,8H-Benzo[1,2-B:3,4-B']Dipyran-9-Yl] Ester is a high-purity, complex organic ester with a defined molecular structure, serving as a critical advanced intermediate in specialized chemical synthesis. Its value lies in providing a precise, multifunctional chemical building block that enables the development of novel compounds with targeted properties. This product is essential for research and development chemists and manufacturers in the pharmaceutical, agrochemical, and advanced material science sectors seeking to create next-generation active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: A key synthon for the research and development of new drug candidates, particularly in complex molecule synthesis.
• Agrochemical Synthesis: Used in the creation of advanced active ingredients for crop protection products.
• Advanced Material Research: Serves as a precursor in the development of specialty polymers, coatings, or organic electronic materials.
• Chemical Research & Development: A valuable tool for academic and industrial R&D labs exploring novel organic reactions and compound libraries.
• Fine Chemical Production: Employed in the multi-step synthesis of other high-value, complex fine chemicals and flavors/fragrances intermediates.

Basic Information

Item	Details
Product Name	2-Methyl-2-Butenoic Acid [9,10-Dihydro-8,8-Dimethyl-10-[(3-Methylthio-1-Oxo-2-Propenyl)Oxy]-2-Oxo-2H,8H-Benzo[1,2-B:3,4-B']Dipyran-9-Yl] Ester
CAS No.	32686-09-2
Molecular Formula	C24H26O6S
Molecular Weight	442.53 g/mol
Synonyms	9,10-Dihydro-8,8-dimethyl-10-[(3-methylthio-1-oxo-2-propenyl)oxy]-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-yl 2-methyl-2-butenoate; 2-Methylcrotonic Acid Dihydrodimethylbenzo[1,2-b:3,4-b']dipyranyl Ester; 2-Methyl-2-butenoic acid, 9,10-dihydro-8,8-dimethyl-10-[(3-methylthio-1-oxo-2-propenyl)oxy]-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-yl ester; CAS 32686-09-2
EINECS	Contact for details

Quality Control

Our 2-Methyl-2-Butenoic Acid Ester is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and structural identity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality systems are designed to support cGMP and ISO standards for traceability and consistency, making this product suitable for demanding R&D and scale-up processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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