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Quantitative GC Mixture, GLC-90

CATALOG # 1103


  • Catalog #:1103
  • Scientific Name:GLC-90 Mixture (quantitative)
  • Common Name:GLC-90 Mixture (quantitative)
  • SDS:View Safety Data Sheet
  • Data Sheet:View Data Sheet
  • Formula Weight:mixture
  • Unit:50 mg/ml, 1ml
  • Solvent:methylene chloride
  • Source:synthetic or plant
  • Purity:mixture
  • Analytical Methods:GC
  • Solubility:methylene chloride
  • Physical Appearance:liquid
  • Storage:-20°C
  • Composition:
    C13:0 Tridecanoate (20.0%)
    C15:0 Pentadecanoate (20.0%)
    C17:0 Heptadecanoate (20.0%)
    C19:0 Nonadecanoate (20.0%)
    C21:0 Heneicosanoate (20.0%)
  • Dry Ice:No
  • Hazardous:Yes


Application Notes:

This fatty acid mixture contains odd numbered long-chain fatty acids in methylene chloride for the qualitative identification and quantitation of unknowns. Odd numbered long-chain fatty acids occur in small amounts in mammals but are found in much larger amounts in bacteria, some plants, and some lower animals. Due to difficulties in their identification the properties and functions of odd numbered fatty acids have not been fully studied, but with better analytical techniques and high purity standards they are now gaining more prevalence in research.1 Odd numbered fatty acids are found in small amounts acylated to various sphingolipids where they have unique properties and functions.2 Microbial fatty acid profiles, which often contain significant amounts of odd numbered fatty acids, are unique from one species to another and can therefore be used in the determination of bacterial identity. 3,4,5 All materials are analyzed to verify their identity and to determine their purity. All analytes are 99% pure. This standard is accurately prepared by gravimetric technique (+/- 0.5%) and all glassware is class A rated. Ampules are purged with nitrogen/argon before and after filling and chilled before being flame sealed. Store ampules sealed as received and process without delay immediately after opening the ampule.

1. T. Rezanka and K. Sigler “Odd-numbered very-long-chain fatty acids from the microbial, animal and plant kingdoms” Progress in Lipid Research, vol. 48 pp. 206-238, 2009
2. A. Hajra and N. Radin “Biosynthesis of the cerebroside odd-numbered fatty acids” Journal of Lipid Research, vol. 3 pp. 327-332, 1962
3. M. Or-Rashid, N. Odongo and B. McBride, “Fatty acid composition of ruminal bacteria and protozoa, with emphasis on conjugated linoleic acid, vaccenic acid, and odd-chain and branched-chain fatty acids” Journal of Animal Science vol. 85 pp. 1228, 2007
4. Y-M Zhang, S. White, and C. Rock “Inhibiting Bacterial Fatty Acid Synthesis” The Journal of Biological Chemistry vol. 281 pp. 17541, 2006
5. N. Rozès, S. Garbay, M. Denayrolles, A. Lonvaud-Funel “A rapid method for the determination of bacterial fatty acid composition” Applied Microbiology vol. 3(17) pp. 126, 1993
Price $102.00

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