Indomethacin

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1-(3-Chlorobenzoyl)-5-methoxy-2-methyl-1H-indole

  • CAT Number DCTI-C-1718
  • CAS Number NA
  • Molecular Formula C17H14ClNO2
  • Molecular Weight 299.75

Indomethacin alpha monoglyceride

  • CAT Number DCTI-C-1795
  • CAS Number 71848-87-8
  • Molecular Formula C22H22ClNO6
  • Molecular Weight 431.87

Indomethacin EP Impurity-E

  • CAT Number DCTI-C-1740
  • CAS Number 807614-94-4
  • Molecular Formula C19H16ClNO4
  • Molecular Weight 357.79

General Information

Indomethacin Impurities and Indomethacin 

Daicel Pharma synthesizes top-notch impurity standards for Indomethacin, an active pharmaceutical ingredient. We offer crucial impurity standards such as 1-(3-Chlorobenzoyl)-5-methoxy-2-methyl-1H-indole, Indomethacin alpha monoglyceride, and Indomethacin EP Impurity-E, which play a vital role in evaluating the purity, and safety of Indomethacin. Daicel Pharma also provides a custom synthesis of Indomethacin impurity standards to meet specific client needs and worldwide delivery options.

Indomethacin [CAS: 53-86-1] is a synthetic non-steroidal indole derivative with chemopreventive properties and anti-inflammatory activity. It acts as a non-steroidal anti-inflammatory agent (NSAIA) and exhibits analgesic and antipyretic effects. By inhibiting cyclooxygenase, which is responsible for the formation of prostaglandins and other autacoids, it functions as an NSAID. Furthermore, Indomethacin also hampers the motility of polymorphonuclear leukocytes.

Indomethacin: Use and Commercial Availability  

Indocin, Indocin SR, Indo-Lemmon, and Tivorbex are the brand names of drugs containing Indomethacin. Indomethacin is a US FDA-approved non-steroidal anti-inflammatory (NSAID) medication. It inhibits the synthesis of prostaglandins necessary for inflammation, pain, and fever. The drug is for acute pain, rheumatoid arthritis, ankylosing spondylitis, osteoarthritis, bursitis, gouty arthritis, and patent ductus arteriosus.

Indomethacin Structure and Mechanism of Action Indomethacin Structure and Mechanism of Action

The chemical name of Indomethacin is 1-(4-Chlorobenzoyl)-5-methoxy-2-methyl-1H-indole-3-acetic acid. Its chemical formula is C19H16ClNO4, and its molecular weight is approximately 357.8 g/mol.

Indomethacin inhibits cyclooxygenase (COX-1 and COX-2) and prevents prostaglandin synthesis.

Indomethacin Impurities and Synthesis

Controlling the synthesis1, analysis, and impurities of Indomethacin is crucial to ensure the quality and safety of the medication. During synthesis and storage, impurities can arise and potentially impact the efficacy and stability of Indomethacin. Different synthetic routes help synthesize Indomethacin and closely monitor and control impurity levels at each step. Analytical techniques such as high-performance liquid chromatography (HPLC), liquid chromatography (LC), and mass spectrometry (MS) help in the analysis and quantification of impurities. Stringent quality control measures can adhere to regulatory requirements and maintain the purity and safety of Indomethacin.

Daicel Pharma, in adherence to cGMP standards, operates an analytical facility where we prepare Indomethacin impurity standards like 1-(3-Chlorobenzoyl)-5-methoxy-2-methyl-1H-indole, Indomethacin alpha monoglyceride, and Indomethacin EP Impurity-E. We offer a comprehensive Certificate of Analysis (CoA) for these impurity standards, providing a detailed characterization report. The CoA includes data obtained through techniques, 1H NMR, 13C NMR, IR, MASS, and HPLC purity analysis. Upon request, we give additional data like 13C-DEPT. We can synthesize unknown Indomethacin impurity standards or degradation products. Each delivery has a comprehensive characterization report.

References
FAQ's

Frequently Asked Questions

The challenges in controlling Indomethacin impurities include complex synthetic processes, interactions between impurities and API, and sensitive analytical techniques to detect and quantify the trace levels.

Yes, impurity profiles in Indomethacin can change over time due to various factors such as storage conditions, degradation, or interaction with packaging materials. Regular monitoring is essential to ensure ongoing control.

Acetonitrile or Chloroform are commonly used as solvents when analyzing many impurities in Indomethacin.

The recommendation is to store Indomethacin impurities at room temperature, within 2-8 ⁰C.

Note: Products protected by valid patents by a manufacturer are not offered for sale in countries having patent protection. The sale of such products constitutes a patent infringement, and its liability is at the buyer's risk.

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