Vials
5, 10, 15, 20, 30, 40, 50 and 60 mg vials. Neutral label by default; your own label, carton and insert from 100 kits (1,000 vials).
SeqLine Bio · Catalog · Retatrutide
GLP-1 family peptide · research use only
Retatrutide: research supply, samples from 1 kit.
A synthetic peptide of the GLP-1 family (CAS 2381089-83-2), supplied lyophilized in vials from 5 to 60 mg. HPLC purity and MS identity on each lot COA.
!
Research use only; the buyer confirms local rules
An FDA proposal dated 2026-04-30 would take GLP-1 medications out of the bulk-substance framework; its comment period ran to 2026-06-29. Until the proposal is final, we supply this compound for research and private-label evaluation outside regulated US compounding. Read the GLP-1 2026 update →
Lot RET-10HPLC per lot COAMS confirmed5 / 10 / 15 / 20 mg
Photo of the standard vial. Each lot carries its own lot number on the label and on its COA.
| Compound | Retatrutide |
|---|---|
| CAS number | 2381089-83-2 |
| Class | Triple GLP-1 / GIP / glucagon receptor agonist (research) |
| Molecular weight | Stated on the COA for the lot you receive |
| Form | Lyophilized powder, glass vial |
| HPLC purity | Specification NLT 98.0%; current lots 98.92–99.53% |
| Vial formats | 5 mg, 10 mg, 15 mg, 20 mg, 30 mg, 40 mg, 50 mg, 60 mg |
| Documentation | Lot COA with HPLC purity and MS identity |
| Distribution scope | B2B research-use supply to supported destinations; product and import requirements confirmed before payment. View shipping coverage → |
| Storage | 2–8 °C protected from light; long-term −20 °C |
MOQ & lead time
| Order type | Minimum order | Dispatch window |
|---|---|---|
| Neutral-label sample from confirmed stock | 1 kit (10 vials) | Within 3 business days after written payment confirmation. |
| Neutral-label sample requiring preparation | 1 kit (10 vials) | 3–7 business days after specification and payment confirmation. |
| Made-to-order production | 100 kits (1,000 vials) | 7–15 business days after specification and payment confirmation. |
| Private-label OEM | 100 kits (1,000 vials) | 7–15 business days after specification, payment and artwork approval. |
Sample eligibility does not confirm current stock. Availability, lot and dispatch date are confirmed before payment. Kit price steps at 10, 100 and 1,000 kits do not change these minimums. Transit and customs are additional.
A retatrutide quote needs your destination country and buyer type. US regulated facilities that ask are pointed to the FDA proposal and offered non-GLP-1 compounds instead.
Need to verify the supplier before ordering? Supplier Verification & Buyer Due Diligence →
What it is
What is retatrutide?
Retatrutide is a synthetic peptide in the GLP-1 family, listed in the spec table as a GLP-1 / GIP / glucagon receptor agonist. CAS 2381089-83-2. The molecular weight is confirmed by MS on each lot COA. Supplied as lyophilized powder in glass vials; store at 2–8 °C protected from light, or at −20 °C for long-term storage.
What you get
Vials, batch documents and lead times.
Batch documents
A COA for the lot you receive, with HPLC purity against our NLT 98.0% release specification and MS molecular-weight identity. Published lots are in the COA library; independent testing is welcome.
Order size and timing
Sample orders start at 1 kit (10 vials) for eligible products. Confirmed stock: within 3 business days after written payment confirmation; samples requiring preparation: 3–7 business days after specification and payment confirmation. Stock and the dispatch date are confirmed before payment. Production lots dispatch in 7–15 business days after specification and payment confirmation. Private label also requires artwork approval. Transit and customs are additional.
FAQ
Questions buyers ask about Retatrutide.
Why does this page carry a regulatory note?
An FDA proposal dated 2026-04-30 would take GLP-1 medications out of the bulk-substance framework. SeqLine Bio supplies retatrutide as a research peptide only. Every quote needs a destination country and buyer track, and buyers confirm the rules in their own market. See the GLP-1 2026 update.
Can I order other fill weights or bulk powder?
Yes. Other fill weights and raw Retatrutide powder are quoted on request. Include the target amount and specification in your RFQ.
Can I see the COA before I pay?
Yes. The quotation includes the COA for the lot you would receive, and published lots are listed in the public COA library. A confirmed quality issue is replaced or refunded under our quality policy.
Related
Related compounds.
Current Batch COA
Open the Retatrutide Certificate of Analysis.
One COA per published Retatrutide lot, listed by strength. Each shows the HPLC purity and MS molecular weight for that lot. You are welcome to have a vial tested independently; a confirmed out-of-specification result is replaced or refunded under the quality policy.
Open 5 mg COA PDF · SQ261006-RT5RecordOpen 10 mg COA PDF · SQ261012-RT10RecordOpen 15 mg COA PDF · SQ261007-RT15RecordOpen 20 mg COA PDF · SQ261019-RT20RecordOpen 30 mg COA PDF · SQ261016-RT30RecordOpen 40 mg COA PDF · SQ261002-RT40RecordOpen 50 mg COA PDF · SQ261024-RT50RecordOpen 60 mg COA PDF · SQ261006-RT60Record