Tirzepatide

Description

What is tirzepatide?

Tirzepatide is a synthetic 39-amino-acid dual GIP and GLP-1 analogue developed by Eli Lilly. It is the active compound behind the FDA-approved drugs Mounjaro (approved May 2022) and Zepbound (approved November 2023). Peptryn supplies it as a lyophilized laboratory research material in 5mg, 10mg, 15mg, 20mg and 30mg vials. It is not that approved drug, and we do not give dosing or administration guidance.

Tirzepatide specifications

Compound	Tirzepatide
Sizes	5mg, 10mg, 15mg, 20mg, 30mg
Form	Lyophilized powder
Molecular weight	4,813.46 Da
Formula	C225H348N48O68
CAS number	2023788-19-2
Solubility	Water-soluble

Lot testing and COA

A certificate for this product is not in the COA Library yet. Email [email protected] with the product name before you order and ask for the current lot report. Our guide to reading a certificate of analysis explains what a lot-matched report should contain.

Ordering

Orders placed on peptryn.com ship from the USA with same-day dispatch, and shipping is free on orders over $150. For a question about a lot or a size, email [email protected].

Storage

Store lyophilized powder at -20°C, protected from light and repeated freeze-thaw cycles.

Frequently asked questions

What is tirzepatide?

Tirzepatide is a synthetic 39-amino-acid dual GIP/GLP-1 analogue, about 4,813 Da, and the active compound in the FDA-approved drugs Mounjaro and Zepbound. Peptryn supplies it as a lyophilized laboratory research material, not as that approved drug.

What purity is Peptryn’s tirzepatide?

Not yet published. The lot report for tirzepatide is not in the COA Library yet. Email [email protected] to ask for it before you order. HPLC purity is area percent, the share of the main peak among all detected peaks; see our guide to peptide purity for what that means.

How is tirzepatide stored?

Store lyophilized powder at -20°C, protected from light and repeated freeze-thaw cycles.

What is tirzepatide’s CAS number?

Tirzepatide’s CAS number is 2023788-19-2. Molecular weight: 4,813.46 Da.

Is tirzepatide for human use?

No. Peptryn sells it for laboratory research only, and it is not approved for human or veterinary use. We do not give dosing or administration guidance.

Is tirzepatide the same as Mounjaro or Zepbound?

Tirzepatide is the active compound in both. Mounjaro and Zepbound are FDA-approved brand-name drugs made by Eli Lilly. Peptryn’s tirzepatide is a lyophilized laboratory research material and is not that approved drug.

How is tirzepatide different from retatrutide?

Tirzepatide is FDA-approved, sold as Mounjaro and Zepbound. Retatrutide is a different, investigational molecule that is not approved for any use. See our comparison guide.

Related: Retatrutide vs semaglutide and tirzepatide · What is a COA? · Peptide testing · Popular peptides

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For laboratory research use only. Not for human or veterinary use, and not a drug, food, dietary supplement or cosmetic. You must be 21 or older to buy.