High Purity Melatonin Powder, Food & Research Grade, CAS 73-31-4

• 1. Pre-operation Preparation

  
  
  This product serves as industrial raw material, food ingredient and laboratory research reagent. Keep the working area clean, dry and well ventilated. Clear sundries and residual materials to avoid cross-contamination.
  
  
  Prepare containers, tools and protective equipment in advance. Wear gloves, face shield and goggles to prevent direct contact with skin and eyes, and avoid inhaling dust. Check the package before use to ensure good sealing and normal material status.
  
  

  2. Material Taking and Dissolution

  
  
  Take required amount of powder with clean tools according to formulas or experimental protocols.
  
  
  To prepare solutions, add the powder slowly into matched solvents such as ethanol or purified water, and stir gently until fully dissolved to form a uniform system. Adjust the ratio as required by production or experiments.
  
  

  3. Production and Experimental Application

  
  
  1. Food & Daily Chemical Production: Add the prepared material into production formulas and mix evenly in accordance with standard industrial procedures.
  2. In Vitro Laboratory Research: Transfer the solution into reaction vessels or culture systems as required. Control temperature, duration, pH and other parameters strictly, and keep complete records for traceability.
  
  

  4. Post-operation Handling

  
  
  Seal the original package tightly immediately after use and store properly. Clean, dry and store all used tools and containers following industrial or laboratory standards.
  
  
  Collect waste materials, waste liquid and used supplies separately. Dispose of them in compliance with local environmental regulations. Random dumping is prohibited.
  
  

  5. Additional Notes

  
  
  1. The powder is hygroscopic. Reseal the package right after use. Take proper quantity each time and avoid repeated opening.
  2. Prepare solutions right before use. Long-term storage may cause property changes.
  3. Handle the product gently to prevent package damage, leakage and moisture absorption.
  4. This product is only for raw material, ingredient and in vitro research use. Do not ingest directly or use as medicine.

• 1. 1. General Storage Requirements

     
     
     This crystalline powder is hygroscopic. Store it in a cool, dry, well-ventilated and dark dedicated storage area. Keep away from heat sources, open flame, strong light, corrosive and volatile chemicals to prevent deterioration and cross-contamination.
     
     

     2. Storage for Unopened Products

     
     
     Keep the package fully sealed and store at room temperature. For long-term storage, refrigeration at 2℃~8℃ is recommended. Place products away from ground moisture. Do not stack heavy items on top to avoid package damage. Follow the first-in, first-out rule. The shelf life of unopened products is 24 months under standard conditions.
     
     

     3. Storage for Opened Products

     
     
     Seal the package tightly immediately after each use to isolate air and moisture. Store in dry and dark place. Use the material as soon as possible and minimize repeated opening to prevent caking caused by moisture absorption.
     
     

     4. Storage for Prepared Solution

     
     
     Liquid solution is less stable than solid powder. Use it immediately after preparation. For temporary storage, transfer the solution into a clean sealed container and keep it at 2℃~8℃. Do not store for an extended period. Discontinue use and dispose properly if the solution turns turbid or precipitates appear.
     
     

     5. Management of Subpackaged Materials

     
     
     Use airtight containers for divided samples, and store together with desiccant in dark conditions. Mark product name, subpackaging date and batch number clearly on the container for management and traceability.
     
     

     6. Routine Inspection & Protection

     
     
     Check storage environment, packages and material status regularly. Isolate damaged, damp, discolored or caked materials in a timely manner. Use dehumidifying equipment in humid weather. Handle products gently during transportation to avoid seal damage caused by impact.

Core Business & Product Portfolio

• Therapeutic peptides: SS-31 (Elamipretide), Tirzepatide, Semaglutide, Retatrutide (RT20), etc.
• Functional peptides: GHK-Cu, TB500, KPV, NAD, Glutathione, etc.
• Custom peptide services: Custom synthesis of complex sequences, long-chain peptides (up to 200 amino acids) and cyclic peptides, as well as various modification services (N-methylation, unusual amino acid incorporation, etc.).

R&D & Manufacturing Strength

• Technical expertise: Mastery of core technologies including solid-phase peptide synthesis (SPPS), liquid-phase synthesis, advanced purification (HPLC) and strict structural characterization.
• Quality assurance: All products are produced in compliance with cGMP standards, with complete CoA, HPLC and MS reports to ensure batch-to-batch consistency and high purity (≥98%).
• Production capacity: Equipped with professional production bases in Guangzhou, supporting small-batch R&D samples to large-scale commercial production, with stable supply capacity.

Global Market & Service Philosophy

Vision