Linezolid

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1-(3-fluoro-4-morpholinophenyl)-2-methyl-1,4,5,6-t...

  • CAT NUMBER DCTI-C-2063
  • CAS NUMBER NA
  • MOLECULAR FORMULA C15H20FN3O2 (Free Base); C31H55FN4O2 (Tetrabutyl ammonium salt)
  • MOLECULAR WEIGHT 293.34 (Free Base); 534.81 (Tetrabutyl ammonium salt)

Desacetyl-N,O-descarbonyl Linezolid

  • CAT NUMBER DCTI-C-2064
  • CAS NUMBER 333753-72-3
  • MOLECULAR FORMULA C13H20FN3O2
  • MOLECULAR WEIGHT 269.32
Linezolid impurity -D
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Linezolid impurity -D

  • CAT Number DCTI-C-1495
  • CAS Number 333753-69-8
  • Molecular Formula C15H22FN3O3
  • Molecular Weight 311.36
Linezolid impurity -F
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Linezolid impurity -F

  • CAT Number DCTI-C-1497
  • CAS Number NA
  • Molecular Formula C15H18FN3O5 (free base)
  • Molecular Weight 339.32 (free base)
Linezolid impurity E
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Linezolid impurity E

  • CAT Number DCTI-C-1496
  • CAS Number 333753-67-6
  • Molecular Formula C15H22FN3O3
  • Molecular Weight 311.36

Linezolid R-Isomer

  • CAT NUMBER DCTI-C-2067
  • CAS NUMBER 872992-20-6
  • MOLECULAR FORMULA C16H20FN3O4
  • MOLECULAR WEIGHT 337.35

Linezolid Related Compound C

  • CAT NUMBER DCTI-C-2065
  • CAS NUMBER 168828-90-8
  • MOLECULAR FORMULA C14H18FN3O3
  • MOLECULAR WEIGHT 295.31

Linezolid Related Compound D

  • CAT NUMBER DCTI-C-2066
  • CAS NUMBER 174649-09-3
  • MOLECULAR FORMULA C15H19FN2O6S
  • MOLECULAR WEIGHT 374.38

General Information

Linezolid Impurities and Linezolid

For evaluating the purity and safety of Linezolid, an essential active pharmaceutical ingredient, Daicel Pharma offers a customized synthesis of Linezolid impurity standards. These impurity standards include crucial compounds such as 1-(3-fluoro-4-morpholinophenyl)-2-methyl-1,4,5,6-tetrahydropyrimidin-5-ol, Desacetyl-N, O-descarbonyl Linezolid, Linezolid impurity -D, Linezolid impurity -F, Linezolid impurity E, Linezolid R-Isomer, Linezolid Related Compound C, and Linezolid Related Compound D. Additionally, Daicel Pharma provides worldwide delivery options for Linezolid impurity standards.

Linezolid [CAS: 165800-03-3] is a synthetic oxazolidinone derivative that acts as an antibacterial agent by inhibiting an early step in bacterial protein synthesis. It also affects blood pressure by inhibiting monoamine oxidase. This medication treats skin and respiratory tract infections caused by gram-positive bacteria.

Linezolid: Use and Commercial Availability  

Zyvox is the brand name under which the drug Linezolid is available. It is a synthetic oxazolidinone antimicrobial drug. Linezolid treats gram-positive infections, including bacterial pneumonia, skin and skin structure infections, and vancomycin-resistant enterococcal (VRE) infections.

Linezolid Structure and Mechanism of ActionLinezolid Structure and Mechanism of Action 

The chemical name of Linezolid is N-[[(5S)-3-[3-Fluoro-4-(4-morpholinyl)phenyl]-2-oxo-5-oxazolidinyl]methyl]acetamide. Its chemical formula is C16H20FN3O4, and its molecular weight is approximately 337.35 g/mol.

Linezolid inhibits bacterial protein synthesis by preventing a functional 70S initiation complex formation that causes the bacterial translation process.

Linezolid Impurities and Synthesis 

Impurities in Linezolid are unwanted substances that may be present in the drug product with the active pharmaceutical ingredient (API). They can originate from manufacturing1,2, starting materials, or interactions with environmental factors. The common impurities in Linezolid include related substances, degradation products, residual solvents, and process-related impurities. It is essential to monitor and control the impurity levels to ensure the safety, efficacy, and quality of the Linezolid drug product. Regulatory authorities have set specific guidelines and limits for impurity levels to maintain purity and minimize potential risks associated with the drug. Stringent quality control measures throughout manufacturing minimize impurity levels and ensure product integrity.

Daicel Pharma strictly adheres to cGMP standards and operates an analytical facility for the preparation of Linezolid impurity standards, which include 1-(3-fluoro-4-morpholinophenyl)-2-methyl-1,4,5,6-tetrahydropyrimidin-5-ol, Desacetyl-N, O-descarbonyl Linezolid, Linezolid impurity -D, Linezolid impurity -F, Linezolid impurity E, Linezolid R-Isomer, Linezolid Related Compound C, and Linezolid Related Compound D. Our Linezolid impurity standards have a detailed Certificate of Analysis (CoA) that provides a comprehensive characterization report. This report includes data obtained through techniques, 1H NMR, 13C NMR, IR, MASS, and HPLC purity analysis3. Upon request, we give additional data like 13C-DEPT. Moreover, we can synthesize unknown Linezolid impurity standards and degradation products. Each delivery has a comprehensive characterization report.

References
FAQ's

Frequently Asked Questions

Yes, the presence and levels of impurities in Linezolid can vary from batch to batch due to variations in the process, raw materials, and other factors. However, manufacturers aim to maintain consistent quality and minimize impurity levels within acceptable limits.

Yes, analytical methods such as high-performance liquid chromatography (HPLC) and mass spectrometry (MS) are commonly employed to detect and quantify impurities in Linezolid. These methods allow for accurate assessment and control of impurity levels.

Methanol is a solvent used when analyzing many impurities in Linezolid.

Linezolid impurities should be stored, at a controlled room temperature, usually between 2-8 °C.

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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