ARA-290 Cibinetide Peptide CAS 1270138-40-3 Erythropoietin Derived 11 Amino Acids Research Grade Powder

1. Product Overview

ARA-290, also known as Cibinetide, is a synthetic linear peptide consisting of 11 amino acids derived from a modified segment of erythropoietin (EPO) structure. It is designed for scientific research applications focusing on peptide structure analysis, receptor interaction studies, and biochemical pathway investigation in controlled laboratory environments.

This product is supplied as a high-purity lyophilized powder intended strictly for laboratory research use only (RUO). It is not intended for diagnostic, therapeutic, or any in vivo human use.

ARA-290 is widely utilized in experimental research fields involving protein engineering, receptor binding studies, molecular signaling exploration, and peptide-based model system development.

2. Chemical and Physical Information

• Product Name: ARA-290 (Cibinetide)
• CAS Number: 1270138-40-3
• Molecular Type: Synthetic linear peptide
• Amino Acid Length: 11
• Appearance: White to off-white lyophilized powder
• Solubility: Soluble in sterile water or aqueous buffer systems
• Storage Form: Freeze-dried (lyophilized) solid
• Stability: Stable under recommended low-temperature, dry conditions
• 

3. Molecular Characteristics

ARA-290 is a short peptide designed based on a specific region of the erythropoietin (EPO) molecule. Its structure is optimized for receptor interaction studies and biochemical modeling applications.

Key structural features include:

• Linear peptide configuration
• Short-chain amino acid sequence
• Stable synthetic backbone
• Controlled molecular weight for reproducible research use

The peptide is suitable for experimental systems that require consistent molecular behavior and high reproducibility.

4. Production Process

ARA-290 is produced using solid-phase peptide synthesis (SPPS), a widely recognized method for high-precision peptide manufacturing. The production process includes:

1. Stepwise amino acid coupling
2. Chain elongation under controlled synthesis conditions
3. Cleavage and deprotection
4. Crude peptide purification
5. High-performance liquid chromatography (HPLC) purification
6. Lyophilization under controlled conditions
7. Final quality testing and batch validation

This process ensures consistent molecular structure, high purity, and reproducible performance across batches.

5. Quality Control Standards

Each production batch undergoes strict analytical testing to ensure product consistency and quality compliance. Testing methods include:

• High Performance Liquid Chromatography (HPLC)
• Mass Spectrometry (MS)
• Peptide identity verification
• Water content analysis
• Residual solvent testing (if applicable)

Only batches that meet internal quality specifications are approved for release.

6. Applications (Research Use Only)

ARA-290 is used in a wide range of laboratory research applications, including but not limited to:

6.1 Peptide Chemistry Research

• Structure–activity relationship studies
• Peptide stability and degradation analysis
• Synthetic peptide modification experiments

6.2 Molecular Biology Research

• Receptor binding interaction studies
• Protein–peptide interaction modeling
• Cellular signaling pathway research models

6.3 Biochemistry & Biophysics

• Molecular docking simulations
• Conformational analysis
• Biointerface and membrane interaction studies

6.4 Experimental Model Development

• In vitro system modeling
• Peptide-based assay development
• Biomolecular interaction screening systems

7. Physical Properties

• Form: Lyophilized powder
• Color: White to off-white
• Odor: Odorless
• Solubility: High solubility in aqueous systems
• Stability: Stable under dry, cold, and light-protected conditions

8. Packaging Information

ARA-290 is supplied in sealed, sterile packaging designed for laboratory use:

• Standard vial sizes: 1 mg / 5 mg / 10 mg / 25 mg / 50 mg
• Primary container: Sterile glass vial
• Sealing: Rubber stopper + aluminum crimp seal
• Secondary packaging: Moisture-resistant foil pouch
• Outer packaging: Export-grade carton box

Custom packaging options are available for bulk orders and distribution requirements.

9. Storage and Handling

To maintain product stability:

• Store at 2–8°C for short-term storage
• Store at -20°C or below for long-term preservation
• Keep container tightly sealed when not in use
• Avoid repeated freeze-thaw cycles
• Protect from moisture, heat, and direct light exposure
• Handle using appropriate laboratory procedures

10. Shipping Conditions

ARA-290 is shipped under controlled conditions suitable for peptide materials:

• Temperature-controlled packaging available
• Dry ice shipping recommended for long-distance transport
• Stable in lyophilized form during transportation
• Rapid logistics handling to minimize exposure

11. Intended Use Statement

This product is intended strictly for laboratory research and industrial experimental use only.

It is not intended for:

• Diagnostic use
• Therapeutic use
• Clinical applications
• Veterinary applications
• Human consumption

All handling must be performed by qualified laboratory personnel in controlled environments.

12. Disclaimer

All information provided is for research reference purposes only. Product specifications may be updated without prior notice due to continuous improvement and batch optimization processes.

13. Summary

ARA-290 (Cibinetide) is a synthetic research peptide widely used in biochemical, molecular, and structural studies. Its defined sequence, high purity, and reproducible synthesis make it suitable for a variety of laboratory research applications involving peptide science and molecular interaction modeling.