Designed for corporate purchasing managers, technical directors, and operations leaders who demand high‑purity peptide building blocks on a tight schedule.
Get Free Quote in 24hHigh price tags on specialty amino‑acid derivatives eat into your R&D budget, especially when you need gram‑scale to kilogram‑scale orders. A recent 2025 survey showed that 62% of purchasing managers cite cost as the top barrier to scaling peptide projects.
Inconsistent purity leads to failed syntheses, wasted reagents, and delayed timelines. When the impurity profile exceeds 0.5% (HPLC), you risk batch rejection and regulatory setbacks.
Slow delivery cycles from overseas suppliers—often 6‑8 weeks—mean you cannot meet product launch windows. In the fast‑moving biotech market, a 30‑day lead time can be the difference between a market win and a missed opportunity.
Expensive freight and hidden customs duties inflate total landed cost. Many companies underestimate 30‑40% additional logistics fees, eroding the perceived savings from low‑price suppliers.
Regulatory uncertainty—without GMP, ISO, or FDA certifications—forces you to perform costly internal audits. Non‑compliant raw materials can jeopardize IND filings and FDA submissions.
| Parameter | Value |
|---|---|
| Chemical Name | Fmoc‑L‑Lys C20‑OtBu‑Glu(OtBu)‑AEEA‑AEEA‑OH |
| Molecular Formula | C62H108N12O16 |
| Molecular Weight | 1224.96 g·mol⁻¹ |
| Purity (HPLC) | ≥ 99.8 % |
| Appearance | White to off‑white powder |
| Solubility | DMF, DMSO, NMP (≥ 50 mg mL⁻¹) |
| Storage | -20 °C, desiccated, protected from light |
| Certificate | COA, MSDS, GMP Batch Record |
Scenario 1 – Antibody‑Drug Conjugate (ADC) Development
A US‑based biotech used our Fmoc‑L‑Lys C20‑OtBu‑Glu(OtBu)‑AEEA‑AEEA‑OH as a key linker in a novel ADC. The high purity reduced purification steps by 2 days, cutting overall development cost by $45,000.
Scenario 2 – Peptidomimetic Library Expansion
An academic contract research organization (CRO) needed 5 kg of the building block within a month. Our express line delivered in 4 days, enabling the client to meet a grant deadline and secure $1.2 M funding.
Scenario 3 – GMP‑Grade Clinical Trial Material
A Phase I trial required GMP‑certified peptide intermediates. Our product’s full GMP documentation eliminated a third‑party qualification step, saving 3 weeks of regulatory lead time.
Standard production is 10 business days. Express service (4‑day) is available for orders ≥ 500 g with a surcharge of 15%.
Yes. Every shipment includes a full COA, MSDS, and GMP batch record. Digital copies are also available via our secure portal.

Absolutely. Our R&D team can tailor protecting‑group strategies, scale‑up routes, and provide analytical validation per your specifications.
We offer DDP (Delivered Duty Paid) to any US port, air freight (2‑3 days), and sea freight (7‑10 days). All shipments are tracked in real time.
Yes. The product is manufactured under GMP conditions, with full traceability and documentation accepted by FDA for IND filings.
We accept T/T, L/C, PayPal Business, and major credit cards. For first‑time buyers, a 30% deposit secures production.
Free 5 g sample shipped within 48 hours. No‑risk, no‑obligation. If the sample does not meet your specifications, we offer a full refund.
Request Sample & Get QuoteOr call us directly at +86 199 4383 0844 / Email: service@huanqiukeji9.com
James Liu, Procurement Lead – MedTech Solutions
“The speed of delivery let us meet a regulatory deadline two weeks early. The cost savings were ≈ $22 k versus our previous supplier.”
Sara Nguyen, Technical Director – Helix Biolabs
“Purity > 99.9 % meant we avoided an extra HPLC purification step, cutting labor by 40 %.”
David Kim, Operations Manager – SynthoPharm
“Transparent DDP shipping eliminated surprise fees. Our total landed cost dropped by 31 %.”
Global Technology Co., Ltd | No. 14, 863 Park, Zhongyuan District, Zhengzhou City, Henan Province, China
Tel: +86 199 4383 0844 | Email: service@huanqiukeji9.com
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All product information complies with local regulations, pricing policies, and export controls. Please consult your legal team for import compliance.
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Customer Testimonials
“The purity of Fmoc‑L‑Lys C20‑OtBu‑Glu(OtBu)‑AEEA‑AEEA‑OH exceeded our expectations. We saw a 37 % reduction in synthesis time and saved $78 k on reagents.”
“Fast, reliable, and fully compliant. The DDP shipping model eliminated surprise customs fees – a true game‑changer for our budget.”
“We placed a 2 kg order with a 4‑day turnaround. The product arrived on‑time and matched the COA perfectly. Our next batch is already scheduled.”
Certifications & Compliance
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