Description

L-Asparagine Sulphate is a high-purity, crystalline salt of the amino acid L-asparagine. This compound is valued for its role as a stable and bioavailable source of L-asparagine, a critical building block in various biochemical and industrial processes. It is essential for manufacturers in the pharmaceutical, biotechnology, and specialty nutrition sectors requiring a reliable, high-quality amino acid derivative for fermentation media, cell culture applications, and advanced research.

Application

• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs) and peptide-based drugs.
• Cell Culture & Fermentation: Serves as a key nitrogen source and nutrient in mammalian cell culture media and microbial fermentation processes.
• Biochemical Research: Employed as a standard or reagent in enzymatic studies, metabolic pathway analysis, and protein chemistry.
• Microbiology: A component of selective and enrichment media for the cultivation of specific microorganisms.
• Specialty Nutrition: Investigated for use in advanced parenteral nutrition formulations and specialized dietary supplements.
• Cosmetic Ingredients: Potential use in the development of skin-conditioning and moisturizing formulations.

Basic Information

Product Name	L-Asparagine Sulphate
CAS No.	74144-37-9
Molecular Formula	C₄H₈N₂O₃ · H₂SO₄
Molecular Weight	226.19 g/mol
Synonyms	L-Asparagine sulfate; L-Asparagine hemisulfate; (S)-2-Aminosuccinamic acid sulfate; Asparagine sulfate; L-Asparagine sulphuric acid salt; ASN-SUL; H-Asp-NH2·1/2 H2SO4
EINECS	Contact for details

Quality Control

Our L-Asparagine Sulphate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for pharmaceutical and research applications. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Specific Rotation [α]20/D	+30.0° to +34.0° (c=1 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 ≤ 2.0%

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