04471
(R)-(+)-α-Lipoic acid
analytical standard
동의어(들):
(R)-(+)-1,2-Dithiolane-3-pentanoic acid, (R)-6,8-Dithiooctanoic acid, (R)-6,8-Thioctic acid
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모든 사진(2)
About This Item
실험식(Hill 표기법):
C8H14O2S2
CAS Number:
Molecular Weight:
206.33
MDL number:
UNSPSC 코드:
85151701
PubChem Substance ID:
NACRES:
NA.24
추천 제품
Grade
analytical standard
Quality Level
분석
≥98.0% (HPLC)
광학 활성
[α]/D +115±5°, c = 1% in ethanol
유통기한
limited shelf life, expiry date on the label
기술
HPLC: suitable
gas chromatography (GC): suitable
mp
48-52 °C (lit.)
응용 분야
cleaning products
cosmetics
food and beverages
personal care
형식
neat
저장 온도
2-8°C
SMILES string
OC(=O)CCCC[C@@H]1CCSS1
InChI
1S/C8H14O2S2/c9-8(10)4-2-1-3-7-5-6-11-12-7/h7H,1-6H2,(H,9,10)/t7-/m1/s1
InChI key
AGBQKNBQESQNJD-SSDOTTSWSA-N
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일반 설명
α-Lipoic acid is an antioxidant which is generally present in plants, animals and many other microorganisms.
애플리케이션
α-Lipoic acid has been used as a reference standard for the analysis of α-lipoic acid in human plasma by high performance liquid chromatography coupled to electron capture detector (HPLC-ECD), in various food matrices and dietary supplements by HPLC combined with coulometric electrode array detector (CEAD) as well as electrospray ionization mass spectrometer (ESI-MS).
It may be used as a reference standard for the determination of α-lipoic acid in human urine by isocratic reversed-phase HPLC and in α-lipoic acid capsules by HPLC with chemiluminescence detection.
It may be used as a reference standard for the determination of α-lipoic acid in human urine by isocratic reversed-phase HPLC and in α-lipoic acid capsules by HPLC with chemiluminescence detection.
포장
Bottomless glass bottle. Contents are inside inserted fused cone.
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
이미 열람한 고객
High-performance liquid chromatographic assay for $\alpha$-lipoic acid and five of its metabolites in human plasma and urine.
Teichert, et al.
Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences, 769(2), 269-281 (2002)
Determination of lipoic acid by flow-injection and high-performance liquid chromatography with chemiluminescence detection.
Wolyniec, et al.
Talanta, 96(2), 223-229 (2012)
Determination of free ?-lipoic acid in foodstuffs by HPLC coupled with CEAD and ESI-MS.
Durrani, et al.
Food Chemistry, 120(4), 1143-1148 (2010)
W Witt et al.
Journal of chromatography. B, Biomedical sciences and applications, 705(1), 127-131 (1998-03-14)
A new method for the quantitation of lipoic acid in plasma and tissues based on the selective precolumn derivatization of thiols with the fluorescent label monobromobimane is described. After extraction with diethyl ether, the dithiolane ring of lipoic acid is
Soichiro Satoh et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 854(1-2), 109-115 (2007-04-28)
The simultaneous determination of alpha-lipoic acid (LA) and DHLA (reduced form of LA) was carried out by HPLC with fluorescence detection. DHLA in the sample was first labeled with ABD-F at room temperature for 10 min and then the LA
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