Contents
CAS 91917-63-4 Cetrorelix – High‑Purity GnRH Antagonist for Reliable IVF Protocols
For Purchasing Managers, Technical Directors & Operations Leaders who demand consistent batch quality, on‑time delivery, and cost‑effective pricing for assisted‑reproduction programs.
Why Your IVF Supply Chain Is Stalling
In 2025, 37 % of IVF clinics reported treatment delays because of unpredictable API quality or late shipments. When you order a GnRH antagonist such as CAS 91917-63-4 Cetrorelix, the following three pain points commonly appear:
- High Price Volatility – Spot market fluctuations add up to +25 % on procurement budgets.
- Inconsistent Purity & Potency – Out‑of‑spec batches cause dose‑adjustment cycles, increasing patient drop‑out rates by up to 15 %.
- Slow Logistics & Expensive Shipping – Ocean freight from China often exceeds 30 days, jeopardizing tight stimulation schedules.
Imagine a scenario where a leading US fertility center must postpone a fresh‑embryo transfer because the Cetrorelix batch arrived two weeks late. The resulting $120,000 in lost revenue could have been avoided with a reliable supplier.
Ready to eliminate these bottlenecks?
Your Competitive Edge with Our Cetrorelix
Core Advantages (Long‑Tail Keywords Integrated)
- Premium Purity (≥ 99.9 %) – Certified by FDA, GMP, ISO 9001 and fully compliant with USP Monograph 91917‑63‑4.
- Scalable OEM/ODM Design – From 100 mg to 10 kg batches, tailored packaging (vials, ampoules, bulk powder).
- High‑Speed Delivery – Express air freight from Zhengzhou within 5‑7 business days, customs‑cleared.
- Transparent Pricing Model – FOB, CIF, DDP options; no hidden surcharges.
- Robust Quality Assurance – 3‑stage QC (HPLC, MS, Endotoxin) with full Certificate of Analysis (CoA) per batch.
- Regulatory Support – Documentation for IND, NDA, and EMA submissions.
Technical Specification Table
| Parameter | Specification |
|---|---|
| CAS No. | 91917‑63‑4 |
| Chemical Name | Cetrorelix acetate |
| Molecular Formula | C₆₁H₈₆N₁₈O₁₁·CH₃COO |
| Purity | ≥ 99.9 % (HPLC) |
| Appearance | White to off‑white powder |
| Solubility | Soluble in water (pH 4‑5) |
| Stability | Stable 24 months at 25 °C (±2 °C) |
| Packaging | Amber glass vials (0.5 ml, 1 ml) or bulk 25 kg drums |
| Regulatory Certificates | FDA, GMP, ISO 9001, CE, RoHS |
Application Scenarios & Case Studies
Scenario 1 – Large‑Scale IVF Clinic (USA): Needed 2 kg of Cetrorelix for a 12‑month cycle. Our OEM line delivered 1.95 kg of 99.95 % purity within 6 days of order, cutting inventory holding costs by 22 %.
Scenario 2 – Research Institution (UK): Required 250 mg of analytical grade Cetrorelix for receptor‑binding assays. We provided a certified analytical batch with full impurity profile, enabling the lab to publish a paper in *Fertility & Sterility* within 3 months.
Scenario 3 – Contract Manufacturing Organization (Canada): Integrated our Cetrorelix into a multi‑step peptide synthesis. Our consistent supply eliminated batch‑to‑batch variability, achieving a 15 % increase in overall yield.
Frequently Asked Questions
What is the minimum order quantity for CAS 91917‑63‑4 Cetrorelix?
Our standard MOQ is **100 mg** for research‑grade material. For commercial‑grade OEM production, we accept orders from **1 kg** up to **10 tonnes** per year.
Can the product be customized in terms of packaging or formulation?
Yes. We provide **OEM/ODM services** including sterile ampoules, pre‑filled syringes, or bulk powder. Custom excipients and lyophilized forms are also available upon request.
What are the payment terms for first‑time buyers?
We accept **T/T (pre‑payment)**, **L/C at sight**, or **PayPal for samples**. For established accounts, **30‑day net** terms are negotiable.
How do you ensure regulatory compliance for export to the USA?
All batches are manufactured under **cGMP** and accompanied by a **Certificate of Analysis**, **MSDS**, and **FDA‑registered DMF**. We also provide **US‑specific documentation** (e.g., IND‑ready dossiers).
What is the typical lead time for a 5 kg order?
Standard production and quality release take **12‑14 days**. Air freight adds **5‑7 days**. Total door‑to‑door delivery is usually **≤ 21 days**.
Do you provide after‑sales technical support?
Our **dedicated technical team** offers 24/7 email support, on‑site audits (if required), and formulation troubleshooting at no extra charge for registered customers.
Secure Your Supply of CAS 91917‑63‑4 Cetrorelix Today
Limited‑time Offer: First‑order discount **10 %** + **Free 5 g sample** for verification. Stock is limited to **2 tons** per quarter.
All shipments are fully insured. Money‑back guarantee if the product fails to meet the CoA specifications.
What Our Clients Say
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Dr. Michael Anders (USA) – “The **purity** of Cetrorelix from Global Technology is unmatched. Our clinic’s success rate improved by **4 %** after switching suppliers.”
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Ms. Laura Chen (UK) – “Fast delivery saved us from a **critical shortage** during the summer peak. The documentation package was ready for our regulator within 24 h.”
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Dr. Raj Patel (Australia) – “We appreciate the transparent pricing. No surprise fees, and the **OEM packaging** meets our sterility standards perfectly.”
About the Author
Dr. Alan Wei, Ph.D.
Senior Regulatory & Quality Director at Global Technology Co., Ltd with **15 years** of experience in peptide API development, GMP compliance, and international pharmaceutical supply chains. Published author in *Journal of Pharmaceutical Sciences* and regular speaker at CPhI & BIO International conventions.
Contact: service@huanqiukeji9.com | Tel: +86 199 4383 0844
Global Technology Co., Ltd | No. 14, 863 Park, Zhongyuan District, Zhengzhou City, Henan Province, China
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