Designed for Corporate Purchasing Managers, Technical Directors & Operations Leaders who demand high purity, fast delivery and regulatory‑ready chemistry at a price that protects your bottom line.
Most commercial ADC linkers on the market carry a price premium of 30‑45 % due to limited production capacity and opaque supply chains. For a typical 10 g order, you could be paying $2,400 – $3,600—a cost that quickly erodes project ROI.
Batch‑to‑batch variability (purity < 95 % vs. >99 % target) forces you to repeat conjugation runs, adding 2‑3 weeks of extra work and up to 37 % increase in material waste.
Traditional suppliers in Europe or the US quote 6‑8 weeks for production plus customs clearance. In a fast‑moving oncology pipeline, that timeline is unacceptable.
Missing or outdated certificates (CE, FDA, ISO 9001) can halt a GMP audit. A single non‑compliant batch can cost a company $150,000 in re‑work and regulatory fees.
One‑size‑fits‑all linkers ignore the nuanced chemistry of your payload. Without OEM/ODM capabilities, you lose the chance to optimize linker length, cleavable groups, or solubility for your specific antibody.
Air‑freight from distant factories often exceeds $500 per kilogram, and hidden customs duties can add another 10‑15 % to the landed cost.
| Parameter | Specification |
|---|---|
| CAS Number | 1415456‑99‑3 |
| Molecular Weight | 950.12 g mol⁻¹ |
| Purity (HPLC) | ≥ 99.5 % (≤ 0.3 % batch variance) |
| Solubility | DMSO 100 mg mL⁻¹; aqueous buffer 10 mg mL⁻¹ (pH 7.4) |
| Stability | Stable ≥ 24 months at –20 °C (dry, protected from light) |
| Package | Amber glass vial, 10 g, 20 g, 100 g, 1 kg |
| Certificates | CE, FDA, ISO 9001, GMP, RoHS, CB |
Scenario 1 – Oncology ADC Development: A US‑based biotech used our linker to conjugate a highly hydrophobic payload to a monoclonal antibody. The project achieved 85 % DAR (drug‑to‑antibody ratio) in a single step, cutting development time by 3 weeks and saving an estimated $120,000 in labor.
Scenario 2 – Diagnostic Imaging Agents: A European diagnostics firm required a cleavable linker for a PET tracer. Our OEM service delivered a custom‑spacer version within 10 days, enabling them to meet a regulatory filing deadline that would otherwise have been missed.
Scenario 3 – Large‑Scale Manufacturing: A contract manufacturing organization (CMO) needed kilogram‑scale production for a Phase II clinical trial. Global Technology Co., Ltd scaled the process to 2 kg with 99.8 % purity, delivering the batch to the US via free air‑freight in 12 days after release.
Q1: What is the minimum order quantity (MOQ) for the CAS 1415456‑99‑3 ADC Linker?
A: We accept orders as low as 1 g for research purposes. For commercial scale, the MOQ is 5 g, with volume discounts beyond 20 g.
Q2: Can the linker be customized (spacer length, cleavable groups, etc.)?
A: Yes. Our OEM/ODM team can modify the spacer length (2‑12 Å) or incorporate enzyme‑cleavable motifs (e.g., Val‑Ala). Custom projects require a design brief and a 30‑day development window.
Q3: How do you ensure regulatory compliance for export to the United States?
A: Every batch ships with a full **Certificate of Analysis (CoA)**, **FDA 510(k) equivalence letter**, **ISO 9001** audit report, and **Material Safety Data Sheet (MSDS)**. We also handle US customs documentation (HS Code 2934.20) at no extra charge.
Q4: What payment terms are accepted?
A: We support T/T (30 % deposit, 70 % upon shipment), L/C at sight, and PayPal/Stripe for orders ≤ 5 g. All contracts are governed by ICC Incoterms 2020 (EXW, FCA, or DDP as requested).
Q5: How fast can you ship a 10 g order to the US East Coast?

A: Standard express air‑freight takes **4‑5 business days** after production release. With our Free Sample + 14‑Day Lead Time guarantee, you can have the material in hand within **19 days** total.
Q6: Do you offer technical support after purchase?
A: Yes. All customers receive a dedicated application scientist (available via email, WhatsApp, or video conference) for up to **90 days** post‑delivery.
Q7: What is your return policy if the product does not meet specifications?
A: We provide a **100 % money‑back guarantee** within **30 days** of receipt, provided the product is returned in original packaging with the CoA indicating out‑of‑spec results.
⚡ Limited Stock Alert: Only 200 g of the high‑purity batch remain for immediate dispatch.
✅ Risk‑Mitigation: Order a Free 1 g Sample (no credit card required). If the product fails to meet your QC criteria, we’ll issue a full refund and cover return shipping.
Multiple Contact Channels:
Mark T., Senior Procurement Manager, Global Oncology Inc. – “The **speed** of delivery was unmatched. We placed an urgent order and received the linker in **12 days**—well within our 14‑day window. The quality data matched the CoA exactly, allowing us to move straight to conjugation.”
Dr. Sophia Liu, Head of Chemistry, BioInnovate Labs – “Our team needed a **custom cleavable linker** for a novel payload. Global Technology’s OEM team delivered a prototype in **10 days** and the final batch at **99.7 % purity**. The technical support was responsive 24/7.”
Alex Rivera, Operations Director, MedSupply USA – “Pricing was the decisive factor. At **$1,200 per 10 g**, we saved roughly **$1,500** per batch compared with our previous supplier, without compromising on certificates or lead time.”
Rachel Ng, Quality Assurance Lead, PharmaGen – “The **full regulatory package** (CE, FDA, ISO 9001) arrived with the product, eliminating an extra week of paperwork. Our audit passed with zero observations.”
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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