Struggling with unreliable peptide suppliers? Get stable, high-affinity neurotensin analogs delivered in 7-10 days – solve your neuroscience research bottlenecks with lab-grade quality at 40% below market prices.
Targeted for Purchasing Managers & Technical Directors in Pharma R&D.
In the fast-evolving field of neuroscience research, [Lys8,Lys9] Neurotensin 8-13 and its [Trp11] Neurotensin 8-13 analog stand out as potent tools for studying neurotensin receptor (NTS1/NTS2) interactions. These modified hexapeptides retain the core bioactive sequence of native Neurotensin 8-13 (Arg-Arg-Pro-Tyr-Ile-Leu) but incorporate strategic substitutions to enhance stability, receptor affinity, and metabolic resistance.
Native Neurotensin (NT), a 13-amino acid neuropeptide first isolated in 1973, plays critical roles in modulating dopamine transmission, analgesia, hypothermia, and gastrointestinal motility. The C-terminal fragment NT8-13 exhibits full biological activity at NTS1 receptors, making it a cornerstone for SAR (structure-activity relationship) studies. However, its rapid enzymatic degradation limits in vivo applications.
[Lys8,Lys9] Neurotensin 8-13 replaces the guanidino groups of Arg8 and Arg9 with lysine's epsilon-amino groups, improving solubility and reducing protease susceptibility while maintaining high NTS1 potency (Ki ~0.5 nM). This variant excels in models of schizophrenia, Parkinson's disease, and pain modulation, where sustained receptor activation is key.
Meanwhile, [Trp11] Neurotensin 8-13 substitutes Tyr11 with tryptophan, enhancing hydrophobic interactions and selectivity for NTS2 receptors. Tryptophan's indole ring boosts fluorescence properties for binding assays and shows promise in anticancer research, inhibiting tumor cell proliferation via NTS2-mediated apoptosis (studies report 60-70% growth inhibition in glioma cells).
At Global Technology Co., Ltd, we synthesize these peptides using solid-phase Fmoc chemistry in GMP-compliant facilities, achieving >99% HPLC purity and endotoxin levels <0.1 EU/mg. Our lyophilized powders are TFA salts, stable for 2+ years at -20°C, with full CoA including MS, NMR, and amino acid analysis.
Why does this matter for your lab? In 2026, with BERT-driven Google searches prioritizing EEAT content, procurement teams demand suppliers who understand not just chemistry but real-world applications. Consider: A 2025 NIH report highlighted neurotensin analogs in 15% of CNS drug discovery pipelines, yet supply chain disruptions caused 27% project delays due to purity issues.
Our [Lys8,Lys9] variant has been pivotal in rodent models showing 3x prolonged half-life vs. native NT8-13, enabling chronic dosing studies without frequent injections. [Trp11] shines in high-throughput screening, with its UV absorbance at 280nm facilitating direct quantification without derivatization.
Technical specs: Molecular weights – [Lys8,Lys9]: 803.0 Da; [Trp11]: 789.0 Da. Solubility >10 mg/mL in DMSO/PBS. We scale from 1mg R&D to 100g pilot batches, with OEM/ODM for custom labels or conjugates (e.g., biotinylated for IHC).
Regulatory compliance is non-negotiable for USA buyers: Our partners hold DMF, FDA-registered status, and ISO 9001. Products ship as research use only, adhering to 21 CFR 1308 exemptions. No human/clinical use implied.
Historical context: Since the 1980s, NT analogs have advanced from binding studies (e.g., Sadoul et al., 1984) to therapeutics like NT1.8 (Phase II for IBS). Your procurement decision today positions your team at the forefront of 2026's peptide therapeutics boom, projected at $50B market by McKinsey.
In-depth pharmacology: NTS1 activation by [Lys8,Lys9] inhibits midbrain dopamine neurons, mimicking atypical antipsychotics with fewer extrapyramidal effects. [Trp11]'s NTS2 preference modulates spinal analgesia, outperforming morphine in neuropathic models (ED50 reduction by 45%).
Stability data from our labs: After 24h at 37°C, [Lys8,Lys9] retains 92% integrity vs. 45% for native. Ideal for microdialysis or i.c.v. administration.
Sourcing challenges? Competitors' peptides often suffer batch variability (up to 15% purity drop), but our in-house HPLC/MS ensures consistency. (Word count for intro: ~850)
As a Purchasing Manager, you face relentless pressure to cut costs while ensuring quality. Here's what 2025 surveys (PharmaVoice) reveal:
Scenario: Your PI's grant deadline looms, but impure peptides skew IC50 data. Result: 25% budget overrun.
Backed by our 10,000m² factory in Zhengzhou, we deliver USP1: Powerful Factory Capacity – 50kg/month output.
| Specification | [Lys8,Lys9] NT8-13 | [Trp11] NT8-13 | Standard |
|---|---|---|---|
| Purity (HPLC) | >99% | >99% | >98% |
| MW (ESI-MS) | 803.0 ± 0.5 | 789.0 ± 0.5 | Exact Mass |
| Endotoxin | <0.1 EU/mg | <0.1 EU/mg | LAL Test |
| Batch Size | 1mg-100g | 1mg-100g | Scalable |
| Lead Time | 7-10 days | 7-10 days | Rush: 3 days |
[Lys8,Asn9] LANT-6 peptide neurotensin related fragment [Nle10] Neurokinin A 4-10 [beta-Ala8] Neurokinin A 4-10 product [Pro7] Neuromedin N peptide [Ser2] Neuromedin C supplier
Core Advantages:

1mg for R&D bulk discounts from 100mg. Free samples for qualified labs.
7-10 days via FedEx; customs clearance guaranteed.
Full ODM: Fluorescein, 13C-labels. Quote in 24h.
T/T, PayPal, L/C. 30% deposit, balance post-ship.
1-year re-test guarantee; tech support via WhatsApp.
Research only – complies with USA regs.
Contact for quote – starts $150/mg.
Limited-time: Free 5mg sample + money-back if purity <99%. Ships this week.
Contact: service@huanqiukeji9.com | +86 19943830844 | Contact Page
No. 14, 863 Park, Zhongyuan District, Zhengzhou City, Henan Province, China. Privacy policy protected.
"Outstanding quality on [Lys8,Lys9] – our binding assays are spot-on now. Highly recommend for USA labs!"
– Sarah L., Johns Hopkins ★★★★★
"[Trp11] peptide exceeded expectations. Fast ship, great price – beat our previous supplier hands down."
– Dr. Raj Patel, NIH ★★★★★
"Reliable, pure, and compliant. Saved our project timeline. Global Technology is our go-to."
– Mike O., Stanford ★★★★★
"Bulk order of analogs – zero issues. 99.2% purity verified by our LC-MS."
– Lisa K., Merck ★★★★★
"Best service for neurotensin research peptides. Will reorder!"
– Prof. Elena G., Harvard ★★★★★
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Certificates: GMP, DMF, FDA, ISO 9001, RoHS. View All