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L-asparagine

CAS Number
70-47-3
EC Number
200-735-9
Chemical Formula
C4H8N2O3
Molecular Weight
132.12 g/mol

Description

L-Asparagine (CAS 70-47-3 ), commonly abbreviated as Asn, is a non-essential amino acid sourced for use across pharmaceutical, nutritional, and cosmetic manufacturing. It functions primarily as a biochemical building block in peptide synthesis. The material also serves as a buffering and moisturizing agent in formulated products. In pharmaceutical manufacturing, Asn is used as a component in amino acid infusion solutions and as a building block in solid-phase peptide synthesis. This amino acid is essential for active pharmaceutical ingredient production. Food and nutrition manufacturers incorporate it into amino acid blends, sports nutrition formulas, and specialized medical nutrition products targeting metabolic support. In cosmetic formulations, it acts as a humectant and skin-conditioning agent, helping retain moisture in serums, creams, and leave-on treatments. It also serves as a pH buffer in topical and injectable formulations. Precise pH control is critical to product stability and shelf life in these applications. L-Asparagine is available as a white crystalline powder in both monohydrate and anhydrous forms to suit various manufacturing needs. Standard grades include USP , Ph. Eur. , and food-grade ( FCC ), with pharmaceutical-grade material supplied under GMP conditions to meet API excipient requirements for global distribution. Bulk quantities are typically offered in kilogram and metric ton packaging to support both development-scale and commercial production. This ensures a reliable supply chain for large-scale industrial chemical operations. Contact us for supply of L-asparagine Request Quote

Other Names (Synonyms)

α-aminosuccinamic acid | L-aspartic acid β-amide | L-aspartic acid beta-amide | L-Asparagin | L-Asn | L-2-aminosuccinamic acid | alpha-aminosuccinamic acid | 2-Aminosuccinamic acid | Asn

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

Physical Properties

Melting Point234-235 °C
Boiling Point244.01°C (rough estimate)
Density1.00251 g/cm³ (Solid) @ Temp: 25 °C
AppearanceWhite crystalline powder
ColorWhite
Odorsltly sweet taste
FormPowder
Water Solubility20 g/L (20 ºC)
Refractive Index1.4880 (estimate)
pH5.41
Log P-3.820

Trade & Regulatory

HS Code29241900
UN Number2811
ADR Class6.1
Packing GroupIII
Storage Class13 - Non Combustible Solids
WGK (Germany)3