Description

3-[(2-Methyl-3-Furanyl)Thio]Butanal is a high-purity, specialized flavor and fragrance intermediate with the CAS number 915971-43-6. This compound is valued for its unique sulfur-containing furan structure, which contributes complex, savory, and meaty notes to flavor formulations. It is an essential building block for flavorists and fragrance chemists in the food, beverage, and fine fragrance industries seeking to create sophisticated and authentic sensory profiles.

Application

• Flavor & Fragrance (F&F) Industry: A key intermediate for synthesizing complex savory flavorings, particularly meat, roasted, and umami enhancers.
• Food & Beverage: Used in the development of processed food flavors, savory snacks, soups, sauces, and ready-to-eat meal flavor systems.
• Fine Fragrances: Serves as a precursor for aroma chemicals that impart unique sulfurous, roasted, or exotic notes in premium perfumery.
• Research & Development: A valuable reference standard and starting material for organic synthesis in academic and industrial R&D labs focusing on heterocyclic chemistry.
• Aroma Chemical Production: Employed in the manufacture of advanced aroma chemicals for functional perfumery and household product scents.

Basic Information

Product Name	3-[(2-Methyl-3-Furanyl)Thio]Butanal
CAS No.	915971-43-6
Molecular Formula	C9H12O2S
Molecular Weight	184.26 g/mol
Synonyms	3-[(2-Methyl-3-furanyl)thio]butyraldehyde; Butanal, 3-[(2-methyl-3-furanyl)thio]-; 3-((2-Methylfuran-3-yl)thio)butanal; FEMA 3856; 2-Methyl-3-furyl thiobutanal; Savory flavor intermediate CAS 915971-43-6
EINECS	Contact for details

Quality Control

Every batch of 3-[(2-Methyl-3-Furanyl)Thio]Butanal is produced and tested under strict quality management systems. We ensure compliance with relevant industry standards for flavor ingredients. Comprehensive testing includes identity confirmation, purity assay, and impurity profiling. Certificates of Analysis (COA) documenting all specifications are provided with each shipment to guarantee traceability and consistency for your production 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). This material is easily oxidized and should be handled under an inert atmosphere when appropriate for extended storage or repackaging. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.520 - 1.530
Specific Gravity (20°C)	1.120 - 1.140

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