Description

L-Asparagine is a non-essential, proteinogenic amino acid that serves as a fundamental building block in biological systems and industrial synthesis. Its role as a key intermediate in the biosynthesis of other amino acids and its function in nitrogen transport make it a critical component for research and manufacturing. This high-purity compound is essential for industries ranging from pharmaceutical development and cell culture media formulation to food science and biochemical research.

Application

• Pharmaceutical Intermediates: Used in the synthesis of peptides, active pharmaceutical ingredients (APIs), and various therapeutic compounds.
• Cell Culture & Microbiology: A vital nutrient component in cell culture media, fermentation broths, and microbiological growth media.
• Food & Nutrition: Employed as a flavor enhancer, nutritional supplement, and a precursor in the Maillard reaction for flavor development.
• Biochemical Research: Serves as a standard, reagent, and substrate in enzymatic studies, metabolic pathway analysis, and protein chemistry.
• Cosmetic Formulations: Incorporated into skincare products for its moisturizing and skin-conditioning properties.
• Agricultural Chemicals: Used in the research and development of plant growth regulators and specialized fertilizers.

Basic Information

Product Name	L-Asparagine
CAS No.	70-47-3
Molecular Formula	C4H8N2O3
Molecular Weight	132.12 g/mol
Synonyms	(S)-2-Aminosuccinamic acid; L-2-Aminosuccinamic acid; L-Aspartic acid 4-amide; Asparagine; Asn; (S)-Asparagine; Asparamide; NSC 20112; FEMA No. 4236; H-Asp-NH2-OH
EINECS	200-735-9

Quality Control

Our L-Asparagine is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. The product is tested against stringent in-house specifications, which may align with relevant pharmacopeial standards (such as USP/EP) or food-grade (FCC) requirements based on the ordered grade. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee compliance for your application.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). The product is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.5%
Specific Rotation	+31.0° to +35.0° (c=2 in H2O)
Loss on Drying	≤ 0.5%
Residue on Ignition (Sulfated Ash)	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Total impurities ≤ 1.0%

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