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冻干 · 10 mg / vial Melanotan II (MT-2) 10 mg / vial — 经 HPLC 验证的多肽瓶
Skin & Cosmetic 10 mg / vial

Melanotan II (MT-2) 10mg — Cyclic α-MSH Analog

Non-selective melanocortin agonist · MC1R/3R/4R/5R · Tanning + libido pathways

Premium Grade 热销产品

Cyclic synthetic analog of α-MSH — non-selective melanocortin receptor agonist with potent melanogenic and libido-modulating activity.

CAS 编号
121062-08-6
分子量
1 024.18 Da
纯度
≥ 99.0% (HPLC)
储存
−20 °C,冻干
氨基酸序列 Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-NH2
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分析证书

每批次分析报告 — HPLC、ESI-MS、LAL 内毒素检测、重金属、无菌性

当前批次MEL577
已放行2026-04-12
HPLC 纯度99.19%
内毒素(LAL)通过 · < 0.5 EU/mg

关于 Melanotan II (MT-2)

Buy Melanotan 2 (MT-2) 10mg at IGF1 Shop. Melanotan II — also written MT-2 or MT-II — is a cyclic synthetic analog of α-melanocyte-stimulating hormone (α-MSH), originally developed at the University of Arizona. It is a non-selective agonist at the melanocortin receptors MC1R, MC3R, MC4R, and MC5R. Activation of MC1R on melanocytes drives eumelanin production, which is what creates the deep, lasting tan associated with Melanotan II. Each MT-2 10mg vial is HPLC ≥99% pure, identity-confirmed by ESI mass-spec against the theoretical 1,024.18 Da molecular weight, and accompanied by a per-lot Certificate of Analysis. CAS 121062-08-6.

又称: Melanotan 2 · Melanotan II · MT-2 · MT-II · MT2 · Melanotan-II

Melanotan II (MT-2) — 作用机制与规格

Melanotan II is a synthetic cyclic heptapeptide analog of α-melanocyte-stimulating hormone, originally developed at the University of Arizona as a sunless-tanning compound. It activates MC1R (melanogenesis), MC3R, MC4R and MC5R, producing both pigmentation and behavioral effects.

质量与放行标准

Melanotan II (MT-2) 的每批次仅在通过反相 HPLC(220 nm 下对照参考标准品面积纯度 ≥ 99%)、ESI 质谱分子量确认及鲎变形细胞溶解物(LAL)内毒素检测(低于 0.5 EU/mg)后才予以放行。批次专属分析证书随订单提供,购买前可按需索取。

常见问题

Melanotan II (MT-2) — 常见问题

What is Melanotan II?
Melanotan II, also written MT-2 or MT-II, is a cyclic synthetic analog of α-MSH (alpha-melanocyte-stimulating hormone). It is a non-selective agonist at the melanocortin receptors MC1R, MC3R, MC4R, and MC5R. Activation of MC1R on melanocytes drives eumelanin production, which is what creates the deep, lasting tan associated with this peptide.
What is the standard Melanotan II tanning protocol?
A typical loading phase is 0.25-0.5mg per day subcutaneously for 10-20 days, paired with brief, controlled UV exposure 2-3 times per week. Once your target shade is reached, maintenance is usually 0.5-1mg total per week, split into 1-2 injections. Fair-skin users (Fitzpatrick I-II) should start at 0.1-0.25mg to gauge tolerance.
How fast does Melanotan II work?
Initial freckling or subtle darkening typically appears within 2-3 days of starting a loading dose. Visible color depth emerges around day 7-10, and full melanin saturation is reached at 2-3 weeks of combined dosing and UV exposure. Without any UV exposure, the tan develops more slowly and unevenly.
How do I reconstitute and dose a 10mg MT-2 vial?
Add 1mL of bacteriostatic water down the side of the Melanotan II vial — do not shake, just swirl. At 1mL dilution, 0.05mL (5 units on a U-100 insulin syringe) delivers 0.5mg. Reconstituted vials are stable refrigerated at 2-8°C for roughly 30 days; lyophilized vials are stable at -20°C for two years.
What side effects are common with MT-2?
The most frequently reported are mild nausea and facial flushing during the first 2-3 injections of the loading phase, usually fading as tolerance builds. Appetite suppression is common — many users drop 1-3 kg without intending to. Spontaneous erections in males and darkening of existing moles or freckles are also commonly reported.
What purity and testing does the Melanotan II vial carry?
Every lot of Melanotan II is HPLC-tested to ≥99% purity, identity-confirmed by ESI mass spectrometry against the C50H69N15O9 reference (MW 1024.18, CAS 121062-08-6), and endotoxin-tested by LAL to <0.5 EU/mg. The per-lot Certificate of Analysis is issued by an ISO 17025-accredited laboratory.
How is Melanotan II shipped and what payments are accepted?
All Melanotan II packaging is plain, discreet, and unmarked. Orders over $59 within the US ship free; international shipping is available worldwide with full tracking. Bitcoin, USDT, Ethereum, Monero, Litecoin, and major cards are accepted, with a small crypto discount applied at checkout.