Description

Fmoc-Dl-Asparagine CAS NO 157355-73-2 is a protected amino acid derivative widely used in solid-phase peptide synthesis (SPPS). This compound is critical for the controlled and efficient assembly of complex peptides and proteins, enabling the production of high-purity sequences. It is an essential building block for researchers and manufacturers in the pharmaceutical, biotechnology, and life sciences industries developing therapeutic peptides, diagnostic agents, and biochemical tools.

Application

• Solid-Phase Peptide Synthesis (SPPS): A fundamental building block (Fmoc-amino acid) for the stepwise construction of custom peptide sequences.
• Pharmaceutical Research & Development: Used in the synthesis of peptide-based drug candidates, including hormones, enzyme inhibitors, and targeted therapeutics.
• Bioconjugation and Protein Engineering: Serves as a precursor for introducing the asparagine residue into modified peptides for labeling, cross-linking, or functional studies.
• Combinatorial Chemistry Libraries: A key component in generating diverse peptide libraries for high-throughput screening and drug discovery.
• Academic & Industrial Research: Employed in biochemical and structural biology studies to investigate protein function and interactions.
• Production of Specialty Peptides: Used in the commercial-scale manufacturing of peptides for cosmetic, nutraceutical, and diagnostic applications.

Basic Information

Product Name	Fmoc-Dl-Asparagine
CAS No.	157355-73-2
Molecular Formula	C19H18N2O5
Molecular Weight	354.36 g/mol
Synonyms	Fmoc-Asn-OH; Fmoc-DL-Asn-OH; N-(9-Fluorenylmethoxycarbonyl)-DL-asparagine; N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-DL-asparagine; (2R)-2-[(9H-Fluoren-9-ylmethoxy)carbonyl]amino-4-carbamoylbutanoic acid (and enantiomer); Fmoc-Asparagine; DL-Fmoc-Asparagine; Nα-Fmoc-DL-asparagine
EINECS	Contact for details

Quality Control

Our Fmoc-Dl-Asparagine is produced under strict quality management systems to ensure batch-to-batch consistency and high purity, suitable for sensitive applications like peptide synthesis. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to relevant industry standards, and specifications can be tailored to meet specific research or cGMP requirements upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 15-25°C. This product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. For long-term storage, consider desiccated conditions.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Optical Rotation	Contact for details
Water Content (KF)	≤1.0%
Heavy Metals	≤20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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