(S)-(−)-α -Lipoic acid

Name: (<I>S</I>)-(−)-α -Lipoic acid
Brand: SIGMA

≥97% (HPLC)

Synonym(s):

(S)-1,2-Dithiolane-3-pentanoic acid, (S)-6,8-Thioctic acid

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About This Item

Empirical Formula (Hill Notation):

C₈H₁₄O₂S₂

CAS Number:

1077-27-6

Molecular Weight:

206.33

NACRES:

NA.25

PubChem Substance ID:

329748605

UNSPSC Code:

12352106

MDL number:

MFCD01863481

Beilstein/REAXYS Number:

81852

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Properties

Quality Segment

200

assay

≥97% (HPLC)

optical purity

enantiomeric excess: ≥98.0% (HPLC)

storage temp.

−20°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-/m0/s1

InChI key

AGBQKNBQESQNJD-ZETCQYMHSA-N

Description

Biochem/physiol Actions

Biological antioxidant with prooxidant activities . Method for enantioseparation of lipoic acid in dietary supplements by capillary electrophoresis.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

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This Item	04471	PHR2561	Y0000592
Sigma-Aldrich 08561 (S)-(−)-α -Lipoic acid	Supelco 04471 (R)-(+)-α-Lipoic acid	Supelco PHR2561 Alpha Lipoic Acid	Y0000592 Thioctic acid for system suitability
description ≥97% (HPLC)	description analytical standard	description -	description European Pharmacopoeia (EP) Reference Standard
Quality Level 200	Quality Level 100	Quality Level 300	Quality Level -
optical purity enantiomeric excess: ≥98.0% (HPLC)	optical purity -	optical purity -	optical purity -
storage temp. −20°C	storage temp. 2-8°C	storage temp. 2-8°C	storage temp. 2-8°C
assay ≥97% (HPLC)	assay ≥98.0% (HPLC)	assay -	assay -