Vials
10 mg vials. Neutral label by default; your own label, carton and insert from 100 kits (1,000 vials).
SeqLine Bio · Catalog · PT-141
Cyclic heptapeptide · research use only
PT-141 (Bremelanotide): samples, bulk and private label.
A synthetic cyclic heptapeptide, supplied lyophilized in 10 mg vials. Sample orders from 1 kit, with HPLC purity and MS identity on each lot COA.
Lot PT141-10
HPLC per lot COA
MS per lot COA
10 mg
Photo of the standard vial. Each lot carries its own lot number on the label and on its COA.
| Compound | PT-141 (Bremelanotide) |
|---|---|
| Structure | Ac-Nle4-c[Asp5-His6-D-Phe7-Arg8-Trp9-Lys10]-OH cyclic |
| Molecular weight | ≈ 1,025.2 g/mol |
| Form | Lyophilized powder, glass vial |
| HPLC purity | Specification NLT 98.0%; result on each lot COA |
| Vial formats | 10 mg |
| Documentation | Lot COA with HPLC purity and MS identity |
| 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.
Research use only, B2B supply. Price steps at 10, 100 and 1,000 kits; RFQ reply within 4 business hours.
Need to verify the supplier before ordering? Supplier Verification & Buyer Due Diligence →
What it is
What is PT-141?
PT-141 (bremelanotide) is a synthetic cyclic heptapeptide with the structure Ac-Nle-c[Asp-His-D-Phe-Arg-Trp-Lys]-OH. It shares its ring with Melanotan II but ends in a free carboxylic acid instead of an amide. Molecular weight is about 1,025.2 g/mol. 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 PT-141.
Can I order other fill weights or bulk powder?
Yes. Other fill weights and raw PT-141 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.
Is PT-141 sold for human use?
No. SeqLine Bio sells PT-141 to B2B buyers for research use only and gives no dosing, medical or human-use advice.
Related
Related compounds.
COA library search
Search public COAs for this product.
No batch record for this product is published yet. Ask for the COA of the lot you would receive when you send your RFQ, or search the library in case a record has been added since.