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2-(4-Methyl-1,3-Thiazol-5-Yl)Ethyl Acetate Liquid Chemical Compound CAS 656-53-1 Contributes to roasted coffee profiles

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Brand: hoyoshee
Product Description
4-Methyl-5-thiazolylethyl acetate CAS 656-53-1
4-Methyl-5-thiazolylethyl acetate (CAS 656-53-1) is a chemical compound used in biological research and flavor applications.
Product Name 4-Methyl-5-thiazolylethyl acetate
Synonyms
  • 4-Methyl-5-(2-acetoxyethyl)thiazole
  • 4-Methyl-5-thiazoleethanol acetate
  • 4-Methyl-5-thiazoleethanol acetate
  • 4-Methyl-5-thiazolylethyl acetate >=98.0%
  • 2-(4-Methyl-1,3-thiazol-5-yl)ethyl acetate
  • 4-Methyl-5-thiazolylethyl acetate ,99%
  • Acetic Acid 2-(4-Methyl-5-thiazolyl)ethyl Ester 5-(2-Acetoxyethyl)-4-methylthiazole
CAS 656-53-1
MF C8H11NO2S
Chemical Properties Colorless to light yellow liquid
Applications
4-Methyl-5-thiazolylethyl Acetate is used in biological research for studies on the contribution of oxidized tallow to aroma characteristics of beef-like process flavors, assessed by gas chromatography-mass spectrometry and partial least squares regression.
Sensory Characteristics

Taste threshold values: At 10 ppm exhibits meaty, brothy, bready and brown notes with beefy, bloody and chicken characteristics.

Odor Type: Meaty

Role in Flavor Industry

In the flavor industry, 2-(4-methyl-1,3-thiazol-5-yl)ethyl acetate is valued for its ability to impart authentic roasted, nutty, and cocoa notes. Common applications include:



Application Function
Chocolate and cocoa flavors Enhances roasted cocoa character; adds depth and richness
Nut flavors Peanut, hazelnut, almond, and pistachio
Coffee flavors Contributes to roasted coffee profiles
Savory flavors Roasted meat, beef, chicken, and grill notes
Bakery Bread, cracker, pie crust, and toasted notes
Confectionery Caramel, toffee, and chocolate confections
Dairy Nutty notes in cheese and flavored dairy products

It is often used in combination with:

  • Pyrazines (2,3-dimethylpyrazine, 2,5-dimethylpyrazine, tetramethylpyrazine)

  • Other thiazoles (4-methyl-5-vinylthiazole, 4-methyl-5-thiazoleethanol)

  • Furanones (furaneol, homofuraneol)

  • Sulfur compounds (thiophenes, mercaptans) for savory profiles

Flavor and Fragrance Industry Applications
Thiazole derivatives are known for their potent, often sulfurous aromas. They occur naturally in various foods (coffee, roasted meat, popcorn) and are used in small quantities to create complex flavor and fragrance profiles.

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