69301
顺式 -亚油酸
analytical standard
别名:
顺式 -11-十八碳烯酸
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线性分子式:
CH3(CH2)5CH=CH(CH2)9CO2H
化学文摘社编号:
分子量:
282.46
NACRES:
NA.24
UNSPSC Code:
41116107
Beilstein/REAXYS Number:
1726565
MDL number:
产品名称
顺式 -亚油酸, analytical standard
SMILES string
CCCCCC\C=C/CCCCCCCCCC(O)=O
InChI key
UWHZIFQPPBDJPM-FPLPWBNLSA-N
InChI
1S/C18H34O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h7-8H,2-6,9-17H2,1H3,(H,19,20)/b8-7-
grade
analytical standard
assay
≥97.0% (HPLC)
form
liquid
shelf life
limited shelf life, expiry date on the label
impurities
≤0.5% trans-isomer
refractive index
n20/D 1.459 (lit.)
bp
150 °C/0.03 mmHg (lit.)
mp
14-15 °C (lit.)
density
0.887 g/mL at 25 °C (lit.)
application(s)
clinical testing
storage temp.
−20°C
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Application
cis-Vaccenic acid may be used as an analytical standard in the following:
- Quantification of the analyte and its photodegradation products in marine samples using gas chromatography coupled to electron impact mass spectrometry (GC-EIMS). The photo-oxidation of the lipid components of the two strains of aerobic photoheterotrophic bacteria, Erythrobacter sp. strain NAP1 and Roseobacter-related isolate COL2P is studied and the results obtained after irradiation of axenic and nonaxenic cultures of the diatom, Skeletonema costatum is compared.
- Quantification of the analyte in the methanolic extract of the leaves of Lepidium sativum using gas chromatography coupled to mass spectrometry (GC-MS).
- Quantification of the analyte in methanolic extract of Rosmarinus oficinalis leaves using gas chromatography coupled to mass spectrometry and Fourier transform infrared spectroscopy.
General description
cis-Vaccenic acid belongs to the class of unsaturated fatty acids. It is mostly reported to be produced by many species of heterotrophic bacteria. It also occurs in other marine organisms such as phytoplanktons. It also finds applications as a bacterial biomarker.
Other Notes
Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.
存储类别
10 - Combustible liquids
wgk
WGK 3
flash_point_f
446.0 °F - closed cup
flash_point_c
230 °C - closed cup
法规信息
新产品
此项目有
Gas chromatography mass spectrum and fourier-transform infrared spectroscopy analysis of methanolic extract of Rosmarinus oficinalis leaves
Hameed HI, et al.
Journal of pharmacognosy and phytotherapy, 7(6), 90-106 (2015)
Using Gas Chromatography-Mass Spectrometry (GC-MS) Technique for Analysis of Bioactive Compounds of Methanolic Leaves extract of Lepidium sativum
Hussein JH, et al.
Research Journal of Pharmacy and Technology, 10(11), 3981-3989 (2017)
Jean-François Rontani et al.
Lipids, 38(10), 1085-1092 (2003-12-13)
The origin of 11-hydroxyoctadec-trans-12-enoic and 12-hydroxyoctadec-trans-10-enoic acids (photodegradation products of cis-vaccenic acid) in the marine environment was investigated. cis-Vaccenic acid is commonly used as a bacterial biomarker; however, in heterotrophic bacteria the observed rates of cis-vaccenic acid photodegradation are negligible.
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