Wholesale Peptides
Raw Powder & Lyophilized Vials

Peptide Procurement: Raw Powder vs. Lyophilized Vials

1. Raw Peptide Powder (API Grade)

Best for: Formulation Labs, Supplement Manufacturers, Custom Blends.

Raw peptide powder is the concentrated Active Pharmaceutical Ingredient (API). It is supplied in bulk (grams or kilograms) inside fluorinated bottles or aluminum bags.

• Pros: Lowest cost per mg; flexible formulation (you control the concentration).
• Cons: Non-sterile (requires filtration); hygroscopic (must be handled in a humidity-controlled glove box).
• Handling: Requires precise micro-scales and sterile filtering equipment (0.22μm filters) before use in biological subjects.

2. Lyophilized Vials (Sterile Finished)

Best for: Research Institutions, End-Use Distributors, Clinics.

This is the freeze-dried form inside a sealed, sterile glass vial (usually 2mg, 5mg, or 10mg). The peptide is mixed with a filler (Mannitol) to form a stable "cake" structure.

• Pros: Sterile and ready to reconstitute; longer shelf life at room temperature; precise dosage per vial.
• Cons: Higher cost per mg due to the lyophilization process and glass vial packaging.

3. Purity & Manufacturing Standards

Whether you choose powder or vials, AASchem guarantees:

• Purity: ≥99.2% verified by HPLC.
• Identity: Confirmed by Mass Spectrometry (MS).
• TFA Removal: We use advanced purification to remove Trifluoroacetic Acid (TFA) salts, replacing them with Acetate or Hydrochloride salts for better biological compatibility.

4. Cold Chain Logistics

Peptides are heat sensitive. We employ a Triple-Layer Cold Chain Packaging system:

• Primary Container (Vial/Bag)
• Thermal Insulation Barrier
• Medical Grade Gel Ice Packs (Maintains 2-8°C for 72+ hours)

This ensures your order arrives intact, even during international shipping to the USA, Europe, or Australia via our DDP lines.