α-Lipoic Acid

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Names

[ CAS No. ]:
1077-28-7

[ Name ]:
α-Lipoic Acid

[Synonym ]:
(S)-5-(1,2-Dithiolan-3-yl)pentanoic acid
Thioctic acid
5-[(3S)-Dithiolan-3-yl]pentanoic acid
(S)-6,8-Thioctic acid (S)-1,2-Dithiolane-3-pentanoic acid
DL-Thioctic acid
5-(1,2-Dithiolan-3-yl)pentanoic acid
DL-α-Lipoic acid
(±)-α-Lipoic acid
5-(dithiolan-3-yl)pentanoic acid
6,8-Dithiooctanoic acid
MFCD00005474
1,2-Dithiolane-3-pentanoic acid
(±)-1,2-Dithiolane-3-pentanoic acid
(±)-1,2-Dithiolane-3-valeric acid
6,8-Dihydrothioctic acid
lipoic acid
UNII:73Y7P0K73Y
DL-6,8-Thioctic acid
EINECS 214-071-2
α-Lipoic Acid

Chemical & Physical Properties

[ Density]:
1.2±0.1 g/cm3

[ Boiling Point ]:
362.5±11.0 °C at 760 mmHg

[ Melting Point ]:
60-62ºC

[ Molecular Formula ]:
C8H14O2S2

[ Molecular Weight ]:
206.326

[ Flash Point ]:
173.0±19.3 °C

[ Exact Mass ]:
206.043518

[ PSA ]:
87.90000

[ LogP ]:
2.16

[ Vapour Pressure ]:
0.0±1.7 mmHg at 25°C

[ Index of Refraction ]:
1.562

[ Storage condition ]:
2-8°C

[ Stability ]:
Stable. Incompatible with strong oxidizing agents.

[ Water Solubility ]:
ethanol: 50 mg/mL | 0.9 g/L (20 ºC)

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
JP1192000
CHEMICAL NAME :
1,2-Dithiolane-3-valeric acid, (+-)-
CAS REGISTRY NUMBER :
1077-28-7
BEILSTEIN REFERENCE NO. :
0081853
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C8-H14-O2-S2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
235 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 21,284,1971

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H302

[ Precautionary Statements ]:
P301 + P312 + P330

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
Xn: Harmful;

[ Risk Phrases ]:
R22

[ Safety Phrases ]:
37/39-26-24/25-36

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ RTECS ]:
JP1192000

[ HS Code ]:
2934999090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • methyl 5-(dithiolan-3-yl)pentanoate
  • 6,8-Dibromoctansaeure
  • 8-acetylsulfanyl-6-oxo-octanoic acid methyl ester
  • 5-(2,2-dimethyl-3-oxo-1,3-dithian-4-yl)pentanoic acid
  • Dihydrolipoic acid
  • methyl adipoyl chloride
  • (R)-3-acetylsulfanyl-octanedioic acid-8-ethyl ester-1-chloride

DownStream

  • Lipoamide
  • 1,3-Dicyclohexylurea
  • N-(1-adamantane) lipoamide
  • 5-(dithiolan-3-yl)-N-(2-hydroxyethyl)-N-methylpentanamide
  • 6,8-bis(3-phosphanylpropylsulfanyl)octanoic acid
  • Dihydrolipoic acid
  • 2,2'-DITHIODIETHANOL
  • lipoic acid
  • 2-(2-Aminoethylamino)ethanol

Customs

[ HS Code ]: 2934999090

[ Summary ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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Related Compounds

  • α-Lipoic acid
  • α-Lipoic acid-NHS
  • (R)-α-Lipoic Acid
  • Homo-α-lipoic Acid
  • α-Lipoic acid, methyl ester
  • (S)-(-)-α-Lipoic acid methyl ester
  • N-[1-(4-fluorophenyl)-4-(piperidin-1-yl)-1H-pyrazolo[3,4-d]pyrimidin-6-yl]morpholin-4-amine
  • 1-(4-fluorophenyl)-N-(1-methoxypropan-2-yl)-4-morpholino-1H-pyrazolo[3,4-d]pyrimidin-6-amine
  • 1-(4-fluorophenyl)-N-(furan-2-ylmethyl)-4-morpholino-1H-pyrazolo[3,4-d]pyrimidin-6-amine
  • 1-(1-(4-fluorophenyl)-4-morpholino-1H-pyrazolo[3,4-d]pyrimidin-6-yl)piperidine-4-carboxamide
  • 1-(4-fluorophenyl)-4-morpholino-N-(1-phenylethyl)-1H-pyrazolo[3,4-d]pyrimidin-6-amine
  • 1-(4-fluorophenyl)-4-morpholino-N-phenethyl-1H-pyrazolo[3,4-d]pyrimidin-6-amine
  • 2-((1-(4-chlorophenyl)-6-((furan-2-ylmethyl)amino)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)amino)ethanol
  • ethyl 4-(1-(4-chlorophenyl)-4-((2-hydroxyethyl)amino)-1H-pyrazolo[3,4-d]pyrimidin-6-yl)piperazine-1-carboxylate
  • 2-((1-(4-chlorophenyl)-6-(morpholinoamino)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)amino)ethanol
  • 2-((1-(4-chlorophenyl)-6-((1-phenylethyl)amino)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)amino)ethanol
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