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There is no strict minimum order quantity for catalog products. Standard vial sizes start from 5 mg. For custom synthesis, the minimum depends on the sequence length and modification requirements — typically starting from 5 mg crude.

Yes. Every order ships with a Certificate of Analysis that includes HPLC chromatogram data, mass spectrometry (MS) confirmation, purity percentage, and batch number.

In-stock products typically ship within 1–2 business days. Delivery times vary by destination: 3–5 days for Asia-Pacific, 5–7 days for North America and Europe, and 7–12 days for other regions.

We accept bank wire transfer (T/T), PayPal, cryptocurrency (BTC, USDT, USDC), Wise, and Alibaba Trade Assurance.

Absolutely. We offer full custom peptide synthesis using Fmoc SPPS for sequences up to 100+ residues. Modified amino acids, PEGylation, cyclization, and conjugation supported.

Yes. Volume-based pricing is available for orders exceeding standard catalog quantities. We also offer distributor partnership programs.