Description

2-Methyl-2-Butenoic Acid 9,10-Dihydro-8,8-Dimethyl-2-Oxo-2H,8H-Benzo[1,2-B:3,4-B']Dipyran-9-Yl Ester is a specialized organic ester with a complex fused-ring structure, serving as a high-value synthetic intermediate. This compound matters for its role in the synthesis of advanced fragrance molecules, pharmaceutical precursors, and complex natural product analogs. It is primarily needed by R&D chemists and process development teams in the flavor & fragrance, pharmaceutical, and fine chemical industries seeking to build sophisticated molecular architectures.

Application

• Fragrance & Flavor Ingredient Synthesis: Acts as a key intermediate for creating novel musk-like odorants and complex flavor compounds.
• Pharmaceutical Research: Utilized as a building block in the development of new active pharmaceutical ingredients (APIs) and prodrugs.
• Organic Synthesis & Chemical Research: Serves as a versatile intermediate for constructing complex polycyclic frameworks in academic and industrial laboratories.
• Agrochemical Intermediate: Potential use in the synthesis of advanced, targeted crop protection agents.
• Material Science Precursor: Can be investigated for the synthesis of specialty polymers or liquid crystals with unique properties.

Basic Information

Product Name	2-Methyl-2-Butenoic Acid 9,10-Dihydro-8,8-Dimethyl-2-Oxo-2H,8H-Benzo[1,2-B:3,4-B']Dipyran-9-Yl Ester
CAS No.	1165-60-2
Molecular Formula	C19H22O5
Molecular Weight	330.38 g/mol
Synonyms	9,10-Dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-yl 3-methylbut-2-enoate; 3-Methyl-2-butenoic acid 9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-yl ester; 2-Oxo-9-(3-methyl-2-butenoyloxy)-8,8-dimethyl-9,10-dihydro-2H,8H-benzo[1,2-b:3,4-b']dipyran; Prenyl angelate derivative; Angelic acid chromene ester
EINECS	Contact for details

Quality Control

Our 2-Methyl-2-Butenoic Acid 9,10-Dihydro-8,8-Dimethyl-2-Oxo-2H,8H-Benzo[1,2-B:3,4-B']Dipyran-9-Yl Ester is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications 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 controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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