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(±)-Lipoic Acid

CAS: 62-46-4 | C8H14O2S2

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 62-46-4
Molecular Formula: C8H14O2S2
Molecular Weight: 206.332 g/mol

Names and Synonyms:

(±)-Lipoic Acid
1,2-Dithiolane-3-pentanoic acid
1,2-Dithiolane-3-valeric acid, (±)-
1,2-Dithiolane-3-pentanoic acid, (±)-
dl-Thioctic acid
DL-α-Lipoic acid
DL-6-Thioctic acid
DL-6,8-Thioctic acid
(±)-Thioctic acid
(±)-α-Lipoic acid
DL-Thioctic acid
(RS)-Lipoic acid
(RS)-α-Lipoic acid
5-(1,2-Dithiolan-3-yl)pentanoic acid
5-(1,2-Dithiolan-3-yl)valeric acid
Protogen A
Pyruvate oxidation factor
Thioctacid
Thioctic acid
6,8-Thioctic acid
Tioctidasi
Tioctidasi acetate replacing factor
1,2-Dithiolane-3-valeric acid
6-Thioctic acid
α-Liponic acid
Tioctacid
Biletan
Thioctsan
Liposan
Lipothion
(±)-Lipoic acid
NSC 628502
dl-Lipoic acid
NSC 90788
Alipure
Espa-lipon
Thiotacid
dl-α-Lipoic acid
α-lipon 300
α-(±)-Lipoic acid
DL-Lipoic acid
Byodinoral-R
Octolipen
Oktolipen

Identifiers:

SMILES:
O=C(O)CCCCC1CCSS1
InChI:
InChI=1S/C8H14O2S2/c9-8(10)4-2-1-3-7-5-6-11-12-7/h7H,1-6H2,(H,9,10)

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Physical Properties

Property Value Source
molecular_mass 206.33 g/mol Legacy Database
cas-boiling-point 160-165 °C None Legacy Database
cas-canonical-smile O=C(O)CCCCC1SSCC1 None Legacy Database
cas-inchi InChI=1S/C8H14O2S2/c9-8(10)4-2-1-3-7-5-6-11-12-7/h7H,1-6H2,(H,9,10) None Legacy Database
cas-inchi-key InChIKey=AGBQKNBQESQNJD-UHFFFAOYSA-N None Legacy Database
cas-melting-point 60-61 °C None Legacy Database
cas-name (±)-Lipoic acid None Legacy Database
LogP 2.7851000000000017 RDKit

Molecular

Property Value Source
Molecular Weight 206.332 g/mol RDKit

Exact

Property Value Source
Exact Molecular Weight 206.043521688 g/mol RDKit

Heavy

Property Value Source
Heavy Atom Count 12 count RDKit

Hydrogen

Property Value Source
Hydrogen Bond Acceptors 3 count RDKit
Hydrogen Bond Donors 1 count RDKit

Rotatable

Property Value Source
Rotatable Bonds 5 count RDKit

Aromatic

Property Value Source
Aromatic Ring Count 0 count RDKit

Topological

Property Value Source
Topological Polar Surface Area 37.3 Ų RDKit

Molar

Property Value Source
Molar Refractivity 54.55780000000003 RDKit

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