Tirz
$54.00 on your first order (10% off with a free account)
- Free shipping on orders from $100
- Same day dispatch possible for orders by 2 PM CT, Monday to Friday
- 30 day returns on unopened items, free return label
For qualified in vitro laboratory and analytical research only. Not for human or animal use.
- Prompt dispatchOrders placed before 2 PM CT may ship the same business day; normal processing is 1 to 2 business days.
- Secure checkoutEncrypted checkout
- Tracked shippingTracking included · no signature required
Shipping & returns
Tracked UPS 2nd Day Air shipping is $8 below $100 and free from $100. UPS Next Day Air is free from $500.
Review shipping and return policySpecifications & documentation
- Material
- Tirz
- Vial content
- 10mg
- Selected quantity
- 1 vial
- Storage
- Lyophilized powder. Store at −20 °C, sealed and away from light.
- Tested purity
- 99.21% (10mg vial, Janoshik test #169231, Jun 2026)99.47% (20mg vial, Premier Analytical Sciences test PAS-2026-0865, Sep 2026)
Not a drug, food, or cosmetic. For research use only, not for human consumption. This product has not been evaluated by the U.S. Food and Drug Administration and is not intended to diagnose, treat, cure, or prevent any disease.
Lab results
10mgReport applies to the tested sample; current fulfillment lot is not confirmed.
View reportA matching public report is not currently linked for this strength.
Research overview
Tirz is a synthetic peptide supplied as a lyophilized powder for in vitro laboratory research. Independent lab reports are linked on this page.
What our Tirz lab reports show
Tirz is tested by independent labs, and the reports are linked on this page. Two are on file:
- 20mg vial: 99.47% purity by HPLC, Premier Analytical Sciences, report PAS-2026-0865, September 29, 2026.
- 10mg vial: 99.21% purity by HPLC, Janoshik, test #169231, June 29, 2026.
Purity is measured by high performance liquid chromatography (HPLC), and identity is confirmed by mass spectrometry.
Sizes and storage of the powder
Tirz comes as a lyophilized (freeze dried) powder in sealed glass vials in four sizes: 10mg, 20mg, 30mg and 60mg. Each vial's lot number ties it to the lab report for that lot.
Store sealed vials at minus 20 °C or colder, dry and away from light, and record the lot number with your lab notes.
For qualified in vitro laboratory research only. Not for human or animal use.
Common questions
How is Tirz tested?
By independent labs. Each report covers the vial that lab tested; open it under Lab results above.
How should Tirz be stored?
See Specifications & documentation above. If storage is marked pending, contact us first.
When will my order ship?
Most orders ship within 1 to 2 business days, often the same day when placed before 2 PM CT, by UPS 2nd Day Air ($8, free from $100). Shipping policy
What if something arrives damaged or wrong?
Tell us within 7 days of delivery, with your order code and photos. Refund policy
Who can order Tirz?
Buyers 21 or older, for lawful in vitro laboratory research only. Not for human or animal use, and support doesn’t give use guidance of any kind. All questions