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L-Serine CAS 56-45-1

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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

Product Overview

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.

Key Specifications

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

Applications

  • 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.

Why Choose This Product

  • 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.

Packaging & Storage

  • 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.

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