Held and shipped from a United States warehouse. How testing works

Service area

Research peptides in Philadelphia, PA

Causa Labs supplies independently tested research peptides and reference compounds to researchers across Philadelphia and the western suburbs. Every lot is HPLC–MS tested by an independent laboratory and ships with the certificate for that exact lot.

We collect and deliver by hand across Philadelphia and the western suburbs — usually the same week, arranged directly. Anywhere else, orders ship from our United States warehouse for a flat $20.

Where we collect and deliver

Free local pickup and delivery at every address below. Anywhere else in the United States ships for a flat $20.

The Main Line

The townships along the old Pennsylvania Railroad main line, west from the city.

  • Overbrook
  • Bala Cynwyd
  • Merion Station
  • Narberth
  • Wynnewood
  • Penn Valley
  • Gladwyne
  • Ardmore
  • Haverford
  • Bryn Mawr
  • Rosemont
  • Villanova
  • Radnor
  • St. Davids
  • Wayne
  • Strafford
  • Devon
  • Berwyn
  • Paoli
  • Malvern

The Route 422 corridor

King of Prussia out through Montgomery and Chester counties to Berks.

  • King of Prussia
  • Valley Forge
  • Norristown
  • Audubon
  • Oaks
  • Collegeville
  • Trappe
  • Phoenixville
  • Royersford
  • Spring City
  • Limerick
  • Sanatoga
  • Pottstown
  • Stowe
  • Douglassville
  • Birdsboro
  • Exeter Township
  • Reading
  • Wyomissing

Covering Philadelphia, Montgomery, Delaware, Chester and Berks counties.

Not listed? It makes no difference to the price or the lead time — tell us where you are and we will confirm what is in stock.

What a Philadelphia researcher receives

A freeze-dried vial, a lot number on the label, and a Certificate of Analysis published for that lot before it left us. Delivered by hand, the vial goes from our shelf to your bench with no carrier in between - and you can check the lot number against the published certificate before it changes hands.

Every certificate is public. You can read the assay for a lot before you order it, not after it arrives.

Ordering from Pennsylvania

Tell us what you need and choose local pickup on the form. We confirm what is in stock, send current pricing, and arrange it from there — free in person, or flat $20 shipped. Anything shipped can be followed from your order status page.

Materials are supplied to qualified researchers for laboratory use only. Not for human or veterinary use.

Why tested material matters

A research peptide that has not been assayed is an unknown quantity in an experiment you are trying to control. Independent HPLC–MS is what turns a label into a measurement, which is why we publish it per lot rather than per product.