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PEPTURÆRUO

PT-141

Bremelanotide · MC4R-selective analogue

Brands
4
Best purity
99.59%
From
£30
Price spread
£22

4 brands supply this

Ordered by price · no paid placement

  • Northmark Research

    NOR--202608-346 · Janoshik Analytical

    Purity99.46%
    Price£30best
    Per mg£3best
    UPLC-MS · NOR--202608-346Janoshik Analytical
    7.74 · 99.46%4.76 · 0.42%02468101214
    Retention time (min)λ 214 nm
    Released
    2026-08-15
    Water (KF)
    2.81%
    Endotoxin
    0.142 EU/mg
  • Verity Peptides

    VER--202608-346 · Colmaric Analyticals

    Purity99.29%
    Price£36
    Per mg£3.60
    UPLC-MS · VER--202608-346Colmaric Analyticals
    7.48 · 99.29%7.90 · 0.33%2.81 · 0.45%02468101214
    Retention time (min)λ 214 nm
    Released
    2026-08-15
    Water (KF)
    2.81%
    Endotoxin
    0.142 EU/mg
  • Halden Laboratories

    HAL--202608-346 · Janoshik Analytical

    Purity99.59%best
    Price£44
    Per mg£4.40
    UPLC-MS · HAL--202608-346Janoshik Analytical
    7.76 · 99.59%11.03 · 0.49%02468101214
    Retention time (min)λ 214 nm
    Released
    2026-08-15
    Water (KF)
    2.81%
    Endotoxin
    0.142 EU/mg
  • Corvus Bio

    COR--202608-346 · Peak Chromatography

    Purity99.55%
    Price£52
    Per mg£5.20
    UPLC-MS · COR--202608-346Peak Chromatography
    8.34 · 99.55%8.10 · 0.40%02468101214
    Retention time (min)λ 214 nm
    Released
    2026-08-15
    Water (KF)
    2.81%
    Endotoxin
    0.142 EU/mg

The compound

The free-acid metabolite of Melanotan II, differing by a single terminal modification that substantially alters receptor selectivity — a textbook SAR pairing.

CAS number
189691-06-3
Molecular formula
C50H68N14O10
Molecular weight
1025.16 g/mol
Solubility
Bacteriostatic water or 0.9% NaCl, ≥2 mg/mL
Storage
−20 °C, desiccated
Reconstituted
2–8 °C, use within 28 days
PT-141RESEARCH USE ONLY

Primary structure

8 residues

Hover a residue for detail

Formula
C50H68N14O10
Molecular weight
1025.16 g/mol

Interactive

Reconstitution calculator

Vial mass

mL
mcg

Syringe

0501005.0u
Draw to
5.0 units
Volume
0.050 mL
Concentration
5.00 mg/mL
Draws per vial
40

Arithmetic for PT-141 at the values you entered. Not a protocol and not a dose recommendation. Research use only.