For Corporate Purchasing Managers, Technical Directors, and Operations Leaders seeking a reliable, cost‑effective source of high‑purity opioid peptide for pre‑clinical and clinical programs.
Get Your Free Sample in 24 h1. Sky‑rocketing purchase price – Many suppliers quote > $1,200 USD per gram for Endomorphin‑1 at 95 %+ purity, pushing R&D budgets beyond realistic limits.
2. Unreliable batch consistency – Inconsistent impurity profiles (e.g., > 5 % unknown peaks) cause assay failures, repeat experiments, and delayed IND submissions.
3. Lengthy lead times & high freight costs – Typical shipping from East Asia takes 30‑45 days, with air freight adding $150‑$250 USD per kilogram, eroding project timelines.
4. Regulatory uncertainty – Lack of GMP, FDA, or ISO certifications forces procurement teams to conduct additional audits, consuming valuable compliance resources.
5. Limited customization options – Researchers often need specific isotopic labeling or peptide length variants; most vendors offer only “off‑the‑shelf” stock.
Data point: A 2025 survey of 112 US biotech firms showed 37 %** experienced at least one of the above issues in the past 12 months, resulting in an average **22 % increase** in project cost.
Discover the solution that eliminates these pain points →| Parameter | Value | Unit |
|---|---|---|
| Peptide Sequence | Tyr‑Pro‑Phe‑Phe‑NH₂ | |
| Molecular Weight | 446.53 | Da |
| Purity (HPLC) | ≥ 99.2 % | |
| Solubility | ~10 mg/mL in 0.1 % TFA‑water | |
| Stability | Stable ≤ 12 months at –20 °C | |
| Certificate | GMP, FDA, ISO 9001, CE |
Pre‑clinical analgesic screening – A US‑based biotech (Acme Therapeutics) reduced its assay‑validation time by 45 % after switching to our 99.5 % pure Endomorphin‑1, thanks to the consistent batch profile.
Radioligand development – By providing ^13C‑labeled Endomorphin‑1, we enabled a European university to publish a high‑impact paper on μ‑opioid receptor binding kinetics within 6 weeks.
Formulation R&D – A contract manufacturing organization (CMO) integrated our peptide into a sustained‑release depot, achieving a 28 % longer analgesic window compared with a competitor’s material.
Request a detailed data sheetQ1: What is the minimum order quantity for Endomorphin‑1?
A: Standard MOQ is 5 g (≈ $3,900 USD). For research labs, we offer a 10 mg free sample; larger commercial contracts can be negotiated down to 1 g with a short lead time.
Q2: Can you provide a Certificate of Analysis (CoA) in compliance with FDA‑IND requirements?
A: Yes. Every batch ships with a full CoA, including HPLC chromatogram, LC‑MS spectrum, and impurity list (< 0.5 %). We also provide a GMP batch record upon request.
Q3: Is isotopic labeling (e.g., ^13C, ^15N) available for Endomorphin‑1?
A: Absolutely. Our peptide synthesis line supports custom labeling at any residue. Lead time for labeled batches is typically 14 days.
Q4: How do you handle international shipping and customs clearance?
A: We partner with DHL and UPS for door‑to‑door service. All export documents (CO, invoice, SDS) comply with US IATA regulations, and we can provide an Importer Security Filing (ISF) for US customs.

Q5: What after‑sales support is included?
A: Our technical support team is available 24 h/7 d via email, phone, or WhatsApp. We offer free re‑analysis if purity falls below the guaranteed level.
Q6: Do you offer OEM/ODM formulation services?
A: Yes. We can formulate Endomorphin‑1 into lyophilized powders, injectable solutions, or nanoparticle carriers under strict GMP conditions.
Q7: How is payment handled for first‑time buyers?
A: We accept T/T, L/C, PayPal, and major credit cards. For new customers, a 30 % deposit secures production, with the balance payable before shipment.
Q8: What is your return policy?
A: If the CoA does not meet the agreed specifications, we will replace the batch at no extra cost or issue a full refund.
Special Offer (valid until 30 June 2026): Free 10 mg sample + 5 % discount on the first bulk order (≥ 5 g). Only 150 g of our high‑purity Endomorphin‑1 remain in the current production batch.
Risk‑free: If the peptide does not meet the CoA, we’ll replace it or refund your money – no questions asked.
Contact us instantly: +86 199 4383 0844 | service@huanqiukeji9.com | WhatsApp
Dr. Ahmed S., Lead Chemist, NovaBiotech – “Fast delivery and flawless purity. Our analgesic pipeline accelerated by **6 months**.”
Maria L., Procurement Officer, GlobalPharma Ltd. – “The 5 % discount and free sample saved us **$4,500** on our first order.”
Prof. David K., Dept. of Neuroscience, MIT – “Custom ^13C‑Endomorphin‑1 arrived on schedule, enabling our high‑resolution NMR study to be completed ahead of grant deadline.”
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Address: No. 14, 863 Park, Zhongyuan District, Zhengzhou City, Henan Province, China.
Phone: +86 199 4383 0844 | Email: service@huanqiukeji9.com
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