Description

Hydroxyectoine is a high-value, natural compatible solute renowned for its exceptional stabilizing and protective properties for biomolecules and cells. This makes it a critical ingredient for enhancing product stability and performance in demanding environments. It is essential for manufacturers in the cosmetics, pharmaceutical, and biotechnology sectors seeking advanced solutions for skin protection, protein stabilization, and cell cryopreservation.

Application

• Cosmetic & Skincare Formulations: Acts as a powerful moisturizer and anti-aging agent, protecting skin cells against UV radiation, heat, and dryness.
• Pharmaceutical Stabilizer: Used to stabilize proteins, enzymes, vaccines, and other sensitive biologicals during production, storage, and lyophilization.
• Biotechnology & Cell Culture: Enhances cell viability and productivity under stress conditions, such as high osmolarity or temperature shifts.
• Molecular Biology: Protects DNA and RNA from degradation in PCR and other enzymatic reactions, improving yield and reliability.
• Diagnostic Reagents: Stabilizes antibodies and enzymes used in diagnostic kits, ensuring long shelf-life and consistent performance.
• Cryopreservation Media: Improves the recovery rates of cells, tissues, and bacteria after freezing and thawing cycles.

Basic Information

Product Name	Hydroxyectoine
CAS No.	165542-15-4
Molecular Formula	C6H10N2O3
Molecular Weight	158.16 g/mol
Synonyms	(S,S)-2-Methyl-4,5,6,7-tetrahydro-1H-1,4-diazepine-4,5,6,7-tetracarboxylic acid, 5-Hydroxyectoine, Hydroxy-ectoine, L-Hydroxyectoine, Hydroxyectoin, (4S,5S)-5-Hydroxy-2-methyl-1,4,5,6-tetrahydropyrimidine-4-carboxylic acid
EINECS	Contact for details

Quality Control

Our Hydroxyectoine is produced under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for cosmetic and pharmaceutical applications. Certificates of Analysis (COA) detailing all specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed in a low-humidity environment to maintain stability and prevent caking.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Optical Rotation	+75° to +85° (c=1 in H2O)
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Microbial Limits	Meets Ph. Eur. requirements

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