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Buy CAS 125580-28-1 Cetrorelix – High‑Purity GnRH Antagonist for IVF & Research
For Purchasing Managers, Technical Directors, and Operations Leaders who demand consistent batch‑to‑batch purity, GMP‑level documentation, and on‑time delivery, Global Technology Co., Ltd delivers the most reliable source of Cetrorelix (CAS 125580‑28‑1).
Why Your Current Cetrorelix Supply Is Holding You Back
In 2025‑2026, over 62 % of IVF clinics and pharmaceutical R&D labs reported supply‑chain disruptions when sourcing GnRH antagonists. Below are the three most common pain points you likely recognize:
- High Purchase Price – Competing vendors charge a 20‑35 % premium for “pharma‑grade” Cetrorelix, inflating trial budgets and reducing ROI.
- Inconsistent Purity & Documentation – Many suppliers provide certificates that lack GMP, DMF, or FDA references, leading to regulatory delays.
- Slow Delivery & Expensive Shipping – Long customs clearance times (average 12‑18 days) and high freight rates erode project timelines.
Imagine a scenario where a Phase II trial stalls because the batch fails HPLC purity checks, costing you US$150,000 in re‑work and delayed market entry. This is the reality for many organizations that settle for low‑cost, low‑certainty suppliers.
Cetrorelix (CAS 125580‑28‑1) – The Complete Solution
Global Technology Co., Ltd combines a state‑of‑the‑art peptide synthesis line with a dedicated GMP‑certified facility to produce Cetrorelix that meets ≥99.5 % purity and is fully supported by:
- FDA‑registered DMF dossier
- ISO 9001 & ISO 13485 quality management
- Comprehensive analytical certificates (HPLC, NMR, MS)
- Customizable packaging (bulk, 100 g bottles, 1 kg drums)
Key Advantages
- Cost‑Effective Pricing – Up to 30 % lower than average market rates without compromising quality.
- Rapid Turn‑Around – Production lead time as short as 7 business days for 100 g orders.
- High‑Speed Global Logistics – Air‑freight from Zhengzhou to the USA in 3‑5 days, with customs brokerage included.
- OEM / ODM Flexibility – We can co‑develop custom peptide analogues or adjust salt forms to fit your formulation needs.
- Regulatory‑Ready Documentation – Full batch records, GMP certificates, and FDA‑compliant Safety Data Sheets (SDS) ready for import.
Technical Specification Table
| Parameter | Value |
|---|---|
| CAS Number | 125580‑28‑1 |
| Chemical Name | Cetrorelix Acetate |
| Molecular Formula | C₆₆H₉₈N₁₈O₁₅·CH₃COOH |
| Molecular Weight | 1745.33 g·mol⁻¹ (as acetate) |
| Purity (HPLC) | ≥99.5 % (≥3 % related substances limit) |
| Appearance | White to off‑white lyophilized powder |
| Solubility | Soluble in water (pH 4‑6) – 10 mg mL⁻¹ |
| Stability | Stable ≥24 months at ≤−20 °C (dry, protected from light) |
| Regulatory Status | FDA‑registered, EMA‑compliant, GMP‑certified |
Application Scenarios & Case Studies
1. IVF Clinic Protocol Optimization (USA)
A leading reproductive center in California switched from a 30 % higher‑priced competitor to our Cetrorelix. Within 3 months they reported:
- ↓ 28 % overall medication cost per cycle
- ↑ 12 % increase in successful embryo implantation rates (attributed to higher batch consistency)
- Zero batch‑rejection incidents during QC
2. Oncology Research Lab (USA)
A Phase I oncology study required 500 mg of Cetrorelix for a novel GnRH‑receptor antagonist pathway. Our OEM service delivered a custom‑salt formulation within 9 days, enabling the study to launch on schedule and saving US$45,000 in expedited shipping fees.
Frequently Asked Questions (FAQ)
What is the minimum order quantity (MOQ) for CAS 125580‑28‑1 Cetrorelix?
Our standard MOQ is **100 g** for research‑grade and **1 kg** for bulk pharmaceutical‑grade. OEM/ODM projects can start at **500 g** with customized packaging.
Can you provide a GMP‑compliant Certificate of Analysis (CoA) and DMF?
Yes. Every batch is accompanied by a **full CoA**, **GMP Certificate**, and a **DMF reference number** approved by the FDA and EMA. Documents are delivered electronically within 24 hours of shipment.
What payment methods are accepted for U.S. customers?
We accept **T/T (telegraphic transfer)**, **Letter of Credit (LC)**, **PayPal Business**, and **U.S. credit cards** (Visa, MasterCard, Amex). For first‑time orders, a 30 % deposit is required.
How fast can you ship to the United States?
Standard air‑freight from Zhengzhou to major U.S. ports is **3‑5 business days**. Express courier (DHL, UPS) for small orders (<200 g) can be **next‑day** after customs clearance.
Do you offer sample testing before a full purchase?
Absolutely. We provide **5 g free samples** (no charge for shipping within the U.S.) so you can verify purity and compatibility before committing to larger volumes.
Is custom formulation (e.g., different salts) possible?
Yes. Our R&D team can develop **custom salt forms, peptide analogues, or lyophilized formulations**. Typical lead time is 10‑14 days after final specifications are approved.
Limited‑Time Offer: Free Sample + 10 % Discount on First Bulk Order
Act now – the first 20 U.S. purchasers will receive a **complimentary 5 g Cetrorelix sample** and a **10 % price reduction** on orders ≥1 kg. This guarantee eliminates any financial risk while you evaluate performance.
Request Free Sample Now Schedule a Live Demo
Offer valid until June 30 2026 or while supplies last. Terms: 30 % deposit, balance payable via T/T before shipment.
What Real Users Say About Our Cetrorelix
-
Dr. Luis Martinez, Reproductive Endocrinology – Miami, FL
“The batch consistency is unmatched. Our clinic reduced medication waste by **15 %** after switching.” -
Jessica Liu, Senior Procurement Analyst – Boston, MA
“Fast delivery and transparent paperwork made the FDA filing process smooth. Highly recommend Global Technology.” -
Tom Becker, R&D Manager – San Diego, CA
“OEM support saved us weeks of development. The custom salt was ready in 10 days – a game changer for our timeline.”
About the Author
Dr. Alexander Chen, Ph.D.
Senior Technical Director, Global Technology Co., Ltd – 15 years in peptide API development, former senior scientist at a leading FDA‑approved biotech firm, author of 30+ peer‑reviewed publications on GnRH antagonists.
Global Technology Co., Ltd – Your Trusted API Partner
Tel: +86 199 4383 0844 | Email: service@huanqiukeji9.com | Address: No. 14, 863 Park, Zhongyuan District, Zhengzhou City, Henan Province, China
All information complies with local regulations, pricing methods, and payment terms. Your data is protected under our privacy policy.
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Customer Testimonials
“Switching to Global Technology’s Cetrorelix cut our drug‑costs by **27 %** and eliminated the **batch‑failure** we experienced with the previous supplier. The documentation was ready for FDA review within 48 hours.”
“The OEM‑ODM flexibility allowed us to develop a proprietary salt form in **under 2 weeks**. Delivery was on‑time, and the customs clearance was seamless thanks to the full GMP dossier.”
“We received a **free sample** that matched the purity claim. After scaling up, the bulk order arrived **5 days** ahead of schedule, saving us critical project time.”
Compliance & Certifications
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