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Contact
the Lab

Questions about a lot, a Certificate of Analysis, an order in transit, or a wholesale arrangement? Reach the Sin City Peptides research support team directly. We answer every message personally — usually within one business day.

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Email

The fastest way to reach us is email. A real person on our research support team reads every message — no ticket bots, no offshore call center.

sincitypeptides@gmail.com

What to include in your message

To get the fastest, most accurate response, please include the following when relevant:

  • Your order number (format: SCP-XXXXXX)
  • The compound name and lot number printed on your vial
  • A clear description of the issue, question, or request
  • Photos of the packaging or vial if reporting a shipping or QC concern

What we can help with

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Certificate of Analysis (COA) requests by lot number

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Order status, tracking, and delivery questions

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Replacements under our Refund & Returns policy

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Wholesale, bulk, and institutional research inquiries

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Founders Club membership and pricing questions

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Press, partnerships, and media requests

Research Use Only

Sin City Peptides supplies laboratory reference materials for in-vitro research and analytical work. Inquiries should relate to catalog items, purity data, certificates of analysis, packaging, storage in a laboratory environment, shipping, or order status. Off-topic requests will not receive a response.

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