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Chemical Name: L-Serine
Chemical Synonyms: L-2-Amino-3-hydroxypropionic Acid; H-Ser-OH; β-Hydroxyalanine
CAS No.: 56-45-1
Molecular Formula: C₃H₇NO₃
Molecular Weight:105.09 g/mol
L-Serine (CAS 56-45-1) is a non-essential amino acid widely used in food fortification, cosmetic formulations, and pharmaceutical research. It serves as a precursor for several neurotransmitters and supports cell proliferation and skin hydration. Available in ≥99% purity with food-grade and cosmetic-grade options, it is suitable for nutritional supplements, moisturizing skincare products, and biochemical research applications.
Parameter | Specification |
|---|---|
Product Name | L-Serine |
Synonyms | L-2-Amino-3-hydroxypropionic Acid; H-Ser-OH; β-Hydroxyalanine |
CAS Number | 56-45-1 |
Molecular Formula | C₃H₇NO₃ |
Molecular Weight | 105.09 g/mol |
EINECS No. | 200-274-3 |
Assay / Purity | ≥99% (typically 98.5–101.5% for USP grade) |
Appearance | White crystalline powder or crystals |
Specific Rotation | +13.6° to +16.0° |
pH (2.5% solution) | 5.0–6.5 |
Melting Point | 222–234 °C |
Grade | Food Grade / Cosmetic Grade / Pharma Grade |
Storage | Cool, dry place, protected from light and moisture |
Food & Nutrition: Amino acid fortification in functional foods, beverages, and dietary supplements.
Cosmetics & Skincare: Moisturizing agent and skin-conditioning ingredient in creams, serums, and lotions.
Pharmaceutical Research: Precursor for neurotransmitter synthesis; studied for neuroprotective properties in CNS-related research.
Biochemical Reagents: Buffer component and cell culture medium ingredient.
High Purity: ≥99% assay with controlled optical rotation, suitable for food, cosmetic, and research applications.
Multiple Grades Available: Food grade for nutrition, cosmetic grade for skincare, and pharma grade for research use.
Fermentation-Derived: Produced via microbial fermentation, suitable for clean-label and vegetarian-friendly positioning.
Full Documentation: COA and MSDS available upon request.
Standard Packaging: 1 kg / 25 kg in fiber drums or aluminum foil bags, or customized packaging upon request.
Storage Conditions: Store in a tightly closed container in a cool, dry place, protected from light and moisture.
Shelf Life: 24 months under proper storage conditions.






