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Atomfair cis-13-Octadecenoic acid C18:1n-5 C18H34O2 CAS 13126-39-1

cis-13-Octadecenoic acid (CAS No. 13126-39-1) is a high-purity monounsaturated fatty acid with the molecular formula C18H34O2. This compound, also known as (Z)-13-Octadecenoic acid or C18:1n-5, is a valuable biochemical reagent widely used in lipid research, metabolic studies, and pharmaceutical applications. Its cis -configuration at the 13th carbon makes it an essential standard for gas chromatography (GC) and mass spectrometry (MS) analyses. With a purity of ≥98% (GC), it is ideal for synthesizing lipid derivatives, studying membrane dynamics, and investigating fatty acid metabolism pathways. Packaged under inert gas to ensure stability, this product is stored at -20°C to prevent oxidation.

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Description

cis-13-Octadecenoic acid (CAS No. 13126-39-1) is a high-purity monounsaturated fatty acid with the molecular formula C18H34O2. This compound, also known as (Z)-13-Octadecenoic acid or C18:1n-5, is a valuable biochemical reagent widely used in lipid research, metabolic studies, and pharmaceutical applications. Its cis-configuration at the 13th carbon makes it an essential standard for gas chromatography (GC) and mass spectrometry (MS) analyses. With a purity of ≥98% (GC), it is ideal for synthesizing lipid derivatives, studying membrane dynamics, and investigating fatty acid metabolism pathways. Packaged under inert gas to ensure stability, this product is stored at -20°C to prevent oxidation.

Properties

  • CAS Number: 13126-39-1
  • Complexity: 234
  • IUPAC Name: (Z)-octadec-13-enoic acid
  • InChI: InChI=1S/C18H34O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h5-6H,2-4,7-17H2,1H3,(H,19,20)/b6-5-
  • InChI Key: BDLLSHRIFPDGQB-WAYWQWQTSA-N
  • Exact Mass: 282.255880323
  • Molecular Formula: C18H34O2
  • Molecular Weight: 282.5
  • SMILES: CCCC/C=CCCCCCCCCCCCC(=O)O
  • Topological: 37.3
  • Monoisotopic Mass: 282.255880323
  • Physical Description: Solid
  • Melting Point: 26.5 – 27 °C
  • Synonyms: cis-13-Octadecenoic acid, DTXSID301312948, DTXCID601742784, 13126-39-1, (Z)-octadec-13-enoic acid, 13-Octadecenoic acid, (13Z)-, 13Z-octadecenoic acid, (13Z)-octadecenoic acid, C18:1n-5, 13(Z)-Octadecenoic acid, (Z)-13-Octadecenoic acid, SCHEMBL2432783, CHEBI:82617, LMFA01030290, HY-W683479, CS-0767288, G67511, Q27156133

cis-13-Octadecenoic acid is used as a reference standard in lipidomics and metabolomics research. It serves as a substrate for enzymatic studies involving fatty acid desaturases and elongases. Researchers utilize it to investigate the role of monounsaturated fatty acids in cellular signaling and inflammation pathways. Its applications extend to the development of lipid-based drug delivery systems and nutritional supplements.

Safety and Hazards

GHS Hazard Statements

  • H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

  • P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

  • Skin Irrit. 2 (100%)
  • Eye Irrit. 2 (100%)
  • STOT SE 3 (100%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.

Disclaimer

Intended Use & Restrictions

This product is sold exclusively for laboratory research, analytical testing, or non-commercial purposes.

  • Strictly prohibited: Resale, repackaging, or formulation into commercial products.
  • Not approved for human/animal use, diagnostics, or manufacturing (including pharmaceuticals, agrochemicals, or consumer goods).

Patent & Regulatory Compliance

Certain molecules may be protected by active patents or regulatory restrictions.

  • Buyers must independently verify patent status (e.g., via USPTO/EPO/CNIPA) and comply with local laws.
  • Atomfair LLC does not provide legal assurances regarding patent non-infringement or jurisdictional compliance.

Liability Release

By purchasing, the buyer agrees to:

  • Use this product only as permitted by law.
  • Indemnify Atomfair LLC against all claims arising from misuse, patent infringement, or regulatory violations.

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