PT-141 – 10mg
High-purity PT-141 (Bremelanotide) analytical reference material — a synthetic cyclic heptapeptide (CAS 1607799-13-2) supplied as a 10mg vial of filler-free lyophilized powder with full analytical testing.
Product Overview
Celvaris Labs supplies research-grade PT-141 (Bremelanotide) (CAS 1607799-13-2, acetate) as an analytical reference standard. PT-141 is a synthetic cyclic 7-amino-acid peptide, molecular formula C50H68N14O10 and a molecular weight of 1025.16 g/mol, manufactured by solid-phase peptide synthesis (SPPS) with comprehensive analytical verification including amino-acid analysis, residual solvents, endotoxin and microbial limits testing.
Primary applications: Reference standard for method development, analytical validation, peptide characterisation studies, and comparative quality control.
Documentation Included
- Batch Verification Report (BVR) – Batch-specific analytical data compiled by Celvaris Labs
- HPLC chromatography – 99.36% purity
- Mass spectrometry (ESI-MS) – 1024.86 Da
- Peptide content assay – 88.93% by nitrogen analysis
- Assay (HPLC) – 99.24%
- Residual solvents (GC) – All below detection limits
- Bacterial endotoxins & microbial limits – Conforms
- Batch verification portal – QR code and online lookup system
Analytical Data (Batch Verification Report)
The following data represents the verified results for batch P260316-A005. Your batch-specific values are available in your Batch Verification Report (BVR) via the verification portal.
| Parameter | Result | Specification | Status |
|---|---|---|---|
| Appearance | Conforms | White powder | PASS |
| Solubility (water) | Conforms | ≥ 5 mg/mL | PASS |
| Identity | 1024.86 | 1025.16 ± 1.0 | PASS |
| Purity | 99.36% | ≥ 98.0% | PASS |
| Related substance | 0.37% | Any impurity ≤ 1.0% | PASS |
| Peptide content | 88.93% | ≥ 80.0% | PASS |
| Water content | 2.52% | ≤ 10.0% | PASS |
| Acetate content | 6.85% | < 12.0% | REPORT |
| TFA content | N.D. | ≤ 0.5% | PASS |
| Residual solvents | N.D. | Below ICH limits | PASS |
| Bacterial endotoxins | Conforms | < 10 EU/mg | PASS |
| Microbial limits | Conforms | Within limits | PASS |
| Assay | 99.24% | 95.0–105.0% | PASS |
Parameters not listed were not included on the manufacturer’s Batch Verification Report for this batch.
Peptide Sequence
| Sequence Length | 7 amino acids (cyclic) |
| Molecular Formula | C50H68N14O10 |
| Molecular Weight | 1025.16 g/mol |
| CAS Number | 1607799-13-2 |
| Source | Synthetic peptide |
| Synthesis Method | Solid-phase peptide synthesis (SPPS) |
Ordering Information
Package Contents
10mg PT-141 lyophilized powder in a sealed glass vial with batch-specific labeling and QR verification code. No fillers, mannitol, or bulking agents added.
Batch Verification Report
Complete BVR with HPLC purity, mass spectrometry identity, water content and counter-ion data accessible via QR code or online verification portal at celvarislabs.com/verify.
US Express Shipping
Fast domestic express shipping nationwide. If your order doesn’t arrive, we reship free — no questions asked.
Tier Pricing Available
Volume discounts for research facilities and repeat orders. Contact for institutional pricing and bulk quantities.
Quality & Verification
Batch Verification Report (BVR)
Every batch includes analytical documentation through Celvaris Labs’ verification system, presenting the manufacturer analytical data in a standardised format for full transparency.
Filler-Free Guarantee
Celvaris peptides contain zero fillers. No mannitol, no bulking agents — just pure lyophilized peptide.
Online Verification Portal
Instant batch verification via QR code or manual lookup. Access your batch-specific BVR anytime at celvarislabs.com/verify.
US Laboratory Supply
Celvaris Labs is a US supplier providing research-grade peptide reference materials to universities and biotech laboratories nationwide.
Complete Specifications
| Product Name | PT-141 |
| Description | Synthetic cyclic heptapeptide (Bremelanotide) |
| Molecular Formula | C50H68N14O10 |
| Molecular Weight | 1025.16 g/mol |
| Sequence | Ac-Nle-Asp-His-D-Phe-Arg-Trp-Lys-OH · cyclic bridge Asp2–Lys7 |
| CAS Number | 1607799-13-2 |
| Physical Form | White to off-white lyophilized powder |
| Amount per Vial | 10mg |
| Purity (HPLC) | 99.36% |
| Storage Conditions | Cool, dry place protected from light; -20°C for extended storage |
| Shelf Life | 24 months when stored properly (see BVR) |
| Intended Use | Analytical Reference Standard / Research Use Only |
| Regulatory Status | Not for human or veterinary use; laboratory research only |
Frequently Asked Questions
Product Specifications
What is PT-141 (Bremelanotide)?
PT-141 / Bremelanotide (CAS 1607799-13-2, acetate) is a synthetic cyclic heptapeptide (Ac-Nle-Asp-His-D-Phe-Arg-Trp-Lys-OH, bridge Asp2-Lys7) with molecular formula C50H68N14O10 and molecular weight 1025.16 g/mol. Supplied strictly as an analytical reference standard for laboratory research.
What analytical data is provided?
Each batch includes a comprehensive Batch Verification Report (BVR): HPLC purity (99.36%), ESI-MS (1024.86 Da), peptide content (88.93%), assay (99.24%), amino-acid analysis, residual solvents, endotoxins and microbial limits.
How do I verify my batch?
Scan the QR code on the label, use the link in your order confirmation, or visit celvarislabs.com/verify and enter the batch ID.
Why does the powder look smaller than other suppliers?
Celvaris peptides are filler-free — no mannitol or bulking agents, just pure lyophilized peptide.
Regulatory & Compliance
What is the regulatory status of PT-141 in the United States?
PT-141 is supplied for research use only. It is NOT approved for human consumption, therapeutic use, veterinary applications, or diagnostic procedures. Purchasers are responsible for ensuring compliance with all applicable regulations.
Does Celvaris provide research protocols or application guidance?
No. Celvaris supplies analytical reference materials only. We do not provide reconstitution protocols, application methods, dosing information, or research design guidance.
Regulatory Disclaimer – Analytical Reference Material
PT-141 is supplied as an analytical reference standard for research use only.
NOT for:
- Human consumption, administration, or therapeutic use
- Veterinary or animal health applications
- Diagnostic procedures
- Clinical trials or medical research involving human subjects (without appropriate approvals)
- Food, cosmetic, or dietary supplement applications
- Personal or consumer use of any kind
Purchaser Responsibilities:
- Verify compliance with all applicable federal, state, and local regulations
- Maintain proper laboratory safety and handling procedures
- Ensure appropriate storage, documentation, and chain of custody
- Use only for legitimate analytical/research purposes as intended
Celvaris Labs Does NOT Provide:
- Medical, therapeutic, or health-related advice
- Dosing recommendations or administration protocols
- Reconstitution instructions or methods
- Research design or experimental methodologies
Order PT-141 10mg Analytical Reference Material
High-purity PT-141 (Bremelanotide) analytical reference material with complete BVR. Every order includes batch portal access, filler-free guarantee, and US express shipping with free reship guarantee.
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