B2B Ordering Guide
This guide covers the purchasing process for research institutions, laboratories, and wholesale buyers sourcing compounds from QSC (Qingdao Sigma Chemical).
Standard Orders (No MOQ)
All standard catalogue orders are placed at qsc-usa.com. There is no minimum order quantity for any compound in the standard catalogue. Standard order sizes (1mg, 2mg, 5mg, 10mg vials, and larger where available) can be combined in any configuration.
Bulk & Institutional Orders
For institutional procurement requiring quantities beyond standard catalogue pack sizes, or for custom bulk powder requirements, contact QSC directly through qsc-usa.com. Volume pricing discussions are available for:
- Research institutions and universities requiring programme-level supply
- Compounding facilities sourcing research reference standards
- Distributors operating in jurisdictions where research peptide distribution is permitted
- Clinical research organisations (CROs) with documented research protocols
Payment
QSC accepts Bitcoin (BTC) and USDT (Tether) for all orders. These are the only payment methods accepted. Payment guides:
Regional Warehouses & Transit
| Region | Warehouse | Transit |
|---|---|---|
| 🇺🇸 United States | US Domestic | 3–7 business days |
| 🇪🇺 European Union | EU Domestic | 3–7 business days |
| 🇬🇧 United Kingdom | UK Domestic | 3–5 business days |
| 🇨🇦 Canada | CA Domestic | 4–8 business days |
| 🇦🇺 Australia | AU Domestic | 4–7 business days |
| 🇸🇬 Singapore | SG Domestic | 2–4 business days |
| 🇹🇭 Thailand | TH Domestic | 3–5 business days |
| 🇻🇳 Vietnam | VN Domestic | 3–5 business days |
| All other regions | Qingdao Manufacturing | 7–14 business days |
Research Use Only. All QSC compounds are for laboratory research purposes only. Not for human consumption. Distribution and use is the responsibility of the purchasing institution in accordance with local regulations.