Research compounds held to the Pexyl standard,every lot tested, every lot on record.
Pexyl Bio Labs supplies lot-tested compounds to qualified laboratories, institutions, and businesses conducting lawful in vitro research.
Quality You Can Verify
Every lot documented. Every result on record.
PBL-3RT 20mg
Ships as a lyophilized powder research vial.
Tested before release and published with its own certificate. Everything below is read from this lot's record.
- Product
- PBL-3RT 20mg
- Vial size
- 20mg
- Content size
- 1x 20mg vial
- Form
- Lyophilized powder
- Lot
- White Cap
- Reported
- Sep 16, 2026
Lot-Level Testing
Each lot is tested for identity, purity and content before release, and every test is recorded against that lot number.
Lot-Level Documentation
Every lot has its own record. Look up any lot number on our COA page to see what is published for it, or contact us to request the supporting records.
Tracked Shipping
Orders ship in a plain outer carton with no product name on the outside, and tracking is provided from dispatch to delivery.
Reference-grade compounds, ready to ship.
A higher standard, documented end-to-end.
Consistent labeling, real analytical data, and a paper trail you can actually check — that's the whole premise.
Multi-stage lot testing
Every lot passes an eight-point testing panel before it is listed for sale.
Transparent documentation
Any lot can be looked up by its number, and where a certificate has been issued for that lot it is published in full.
Lot-level verification
Identity, purity and content are recorded against each lot number.
Chain-of-custody records
Batch conformity and handling records are retained end-to-end from production through shipment.
Think ahead.Ten vials, one lot.
Build your next project around a 10-vial pack of one compound: one lot number, one set of lot records, and bundle pricing applied automatically.
- Save up to 63%
- From $47.94
Bundle totals shown · one discount code per order
- 10 vials per pack
- Free standard shipping over $200
- Same business day before 2:00 PM Pacific
How ordering works
Four steps, start to finish. Nothing here is a promise the store cannot keep — each line is read from the settings that govern it.
Check out
Zelle. One discount code per order.
Same-day dispatch
Same business day before 2:00 PM Pacific
More clarity.At every step.
Documentation, within reach.
Open the certificate behind any published lot and read the fields it actually stores.
Explore certificates
Real people. Clear answers.
Order questions, product details and documentation requests, answered by our team.
Contact usClarity you can rely on.
Answers to common questions about ordering, research-only use and eligibility.
Read the answersFollow every delivery.
Orders placed before 2:00 PM Pacific on business days ship the same day. Free standard shipping over $200.
Shipping information
Build your research kit.
Bring the compounds you need together. Bundle pricing on 22 of the 23 sizes listed.
See bundle pricing
Storage & handling
What the packaging needs once it arrives. Laboratory handling only — nothing on this page describes preparation or use.
Storage temperatures
-20°C, protected from light and moistureStore at room temperature (15–30°C), protected from light. Do not freeze. Research use only. Not for human or veterinary use.Each listing states its own requirement on its product page.
Protect from light
Vials ship in their original packaging. Keep them in it, away from direct light.
Keep sealed
Leave the seal intact until the material is needed. Anything lot-specific is on that lot's certificate, not here.
Who can order
Sales are restricted to purchasers age 21 or older, acting on behalf of a qualified laboratory, institution, or business entity engaged in lawful research.
At checkout you confirm that
- You are a qualified researcher, or acting for a laboratory, institution or business engaged in lawful research.
- Research use only — everything ordered is for in vitro and laboratory use.
- Not for human or veterinary use.
Frequently asked
The six most-asked. Every answer here is the same one the full FAQ page gives.
Every lot has its own record.
Browse what is in stock, or look up a lot number from a vial you already have.