Etoricoxib

Etoricoxib

Tham số Thông số kỹ thuật
Tên sản phẩm Etoricoxib
Số CAS 202409-33-4
Công thức phân tử C18H15ClN2O2S
Trọng lượng phân tử 358.84 g/mol
Hình thức Bột tinh thể màu trắng đến trắng ngà
Phương pháp phân tích (HPLC) ≥99.0%
Độ hòa tan Sparingly soluble in water; soluble in ethanol, dimethyl sulfoxide

Etoricoxib Structure

Synonyms: Etoricoxib, 5-chloro-6′-methyl-3-[4-(methylsulfonyl)phenyl]-2,3′-bipyridine, MK-0663, Arcoxia, Algix, Tauxib, Nucoxia

Etoricoxib is a selective cyclooxygenase-2 (COX-2) inhibitor developed by Merck & Co. as a follow-up to rofecoxib. It belongs to the bipyridine class and is structurally distinct from other coxibs, featuring a methylsulfonyl phenyl group attached to a chlorinated bipyridine core. Clinically, it is used for the treatment of osteoarthritis, rheumatoid arthritis, acute gouty arthritis, and moderate to severe pain, offering comparable efficacy to traditional NSAIDs with a reduced risk of gastrointestinal ulceration.

The drug’s selectivity for COX-2 over COX-1 is a key differentiator. At therapeutic doses, etoricoxib inhibits COX-2-mediated prostaglandin production at sites of inflammation without significantly affecting COX-1-dependent thromboxane A2 production in platelets. This profile translates to effective pain relief and anti-inflammatory action with less impact on gastric mucosal integrity compared to non-selective NSAIDs.

In the pharmaceutical industry, etoricoxib is supplied as a high-purity active pharmaceutical ingredient (API) for oral tablet formulations. It is also used as a reference standard in analytical laboratories and as a research chemical for studying COX-2 biology and inflammatory pathways. The global demand for etoricoxib API remains strong, particularly in Europe, Asia, and Latin America, where it is approved for a range of musculoskeletal conditions.

Function & Mechanism

  • Selective COX-2 inhibition: Blocks cyclooxygenase-2 enzyme, reducing prostaglandin synthesis at inflammatory sites.
  • Hoạt tính chống viêm: Decreases swelling, redness, and pain associated with arthritis and gout.
  • Analgesic effect: Provides relief from acute pain, including dental and post-surgical pain.
  • Antipyretic action: Reduces fever by inhibiting prostaglandin E2 production in the hypothalamus.
  • Gastrointestinal safety: Spares COX-1, leading to lower incidence of gastric ulcers compared to non-selective NSAIDs.

Nguồn gốc và tiêu chuẩn hóa

  • Nguồn: Synthetic chemical synthesis.
  • Manufacturing: Multi-step organic synthesis followed by purification and crystallization.
  • Tiêu chuẩn hóa: ≥99.0% purity by HPLC, conforming to pharmacopeial monographs (e.g., Ph. Eur., USP).
  • Forms: White to off-white crystalline powder.
  • Ứng dụng: Pharmaceutical manufacturing (tablets), analytical reference standards, research studies.

Quality Specifications (QC Tests)

Test Item Thông số kỹ thuật
Xác định IR, HPLC retention time conforms to reference standard
Mất mát khi sấy khô ≤0.5%
Hàm lượng tro sau khi đốt ≤0.1%
Kim loại nặng ≤20 ppm
Organic Impurities Any individual impurity ≤0.1%, total impurities ≤0.5%
Chất dung môi còn lại Conforms to ICH Q3C limits
Giới hạn vi sinh vật Total aerobic count ≤1000 CFU/g, yeast & mold ≤100 CFU/g, absence of E. coli and Salmonella

Bulk Supply & Documentation

  • Công suất hàng tháng: 500 kg
  • Thời gian thực hiện: 3-5 business days (stock items)
  • Tài liệu hướng dẫn: COA, MSDS, TDS sẽ được cung cấp theo yêu cầu
  • Bao bì: 1 kg, 5 kg, 25 kg double polyethylene bags inside fiber drums

Các câu hỏi thường gặp

What is the minimum order quantity (MOQ) for Etoricoxib?

Our MOQ is 1 kg for standard orders. For larger quantities, we offer competitive pricing and flexible packaging options.

What is the delivery time?

We maintain stock of Etoricoxib, and orders are typically dispatched within 3-5 business days after order confirmation.

Do you provide a Certificate of Analysis (COA) and samples?

Yes, a COA is available for each batch. We can provide samples for evaluation upon request; sample dispatch is usually arranged within 1-2 days.

Contact & Ordering Information

  • Company: LyvBio Co., Ltd.
  • Address: Room 5-0203, Courtyard 205, Lianhu District, Xi’an, Shaanxi, China
  • Email: info@lyvbio.com
  • Phone: +86-29-65816888

send us your specification for a quotation.

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Room,5-0203, Unit 5, Beiyuanmen Street,Xi'an,Shaanxi,China

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