Laboratory Research Use Only
Cash App
How Cash App checkout works Simple, and confirmed by a real person on our end.
1
Place your order You'll get a Cash App link with your exact total pre-filled.
2
Send & note your order number Add it to the payment note so we can match it fast.
3
We confirm & ship Your order moves to Processing and ships once payment is matched.
  • Your total never changes. The amount is locked to your order — no surprise fees at the end.
  • On desktop you'll see a QR code. That's normal — Cash App has no desktop app. Scan it with your phone.
  • Questions before paying? Contact us and we'll get back to you.

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