Description

Cycloalliin is a naturally occurring, sulfur-containing amino acid derivative found primarily in plants of the *Allium* genus, such as garlic and onions. This compound is of significant interest due to its role as a stable precursor to various bioactive, flavor-forming sulfur compounds. It serves as a critical intermediate and standard reference material for research and development in the food flavoring, nutraceutical, and pharmaceutical industries, where precise chemical profiling and standardization are essential.

Application

• Flavor & Fragrance Industry: Used as a key precursor in the development and standardization of authentic garlic and onion flavor profiles for processed foods, seasonings, and savory applications.
• Nutraceutical & Dietary Supplements: Employed as a standardized reference compound and a potential active ingredient in supplements targeting cardiovascular health and antioxidant support.
• Pharmaceutical Research: Serves as a high-purity biochemical reagent and intermediate in pharmacological studies investigating the health benefits of organosulfur compounds.
• Analytical Chemistry: Utilized as an analytical reference standard (CRS) for the quality control and HPLC/GC-MS quantification of alliin and related compounds in botanical extracts and finished products.
• Cosmetic & Personal Care: Investigated for use in topical formulations for its potential skin-conditioning and antioxidant properties.
• Agricultural Chemistry: Studied for its role in plant defense mechanisms and its potential application in natural biocontrol products.

Basic Information

Product Name	Cycloalliin
CAS No.	455-41-4
Molecular Formula	C6H11NO3S
Molecular Weight	177.22 g/mol
Synonyms	(+)-Cycloalliin; L-Cycloalliin; Cyclic alliin; 3-(Carboxymethyl)-5-methyl-1,4-thiazane-3-carboxylic acid; 1,4-Thiazane-3-carboxylic acid, 3-(carboxymethyl)-5-methyl-; Alliin cyclic form; S-Allyl-L-cysteine sulfoxide cyclic form
EINECS	Contact for details

Quality Control

Our Cycloalliin is produced and tested under a strict quality management system. We offer material suitable for research and industrial applications, with typical purity grades exceeding 95% (HPLC). Each batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. Specifications can be tailored to meet the requirements of Food Grade (FCC) or high-purity Pharmaceutical Reference Standard applications upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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