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183938

Sigma-Aldrich

2,3,5,6-tétraméthylpyrazine

98%

Synonyme(s) :

2,3,5,6-Tetramethylpyrazine, Ligustrazin, Ligustrazine, Tetrapyrazine

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About This Item

Formule empirique (notation de Hill):
C8H12N2
Numéro CAS:
Poids moléculaire :
136.19
Numéro Beilstein :
113100
Numéro CE :
Numéro MDL:
Code UNSPSC :
12352100
eCl@ss :
39161809
ID de substance PubChem :
Nomenclature NACRES :
NA.22

Pureté

98%

Forme

solid

Point d'ébullition

190 °C (lit.)

Pf

77-80 °C (lit.)

Chaîne SMILES 

Cc1nc(C)c(C)nc1C

InChI

1S/C8H12N2/c1-5-6(2)10-8(4)7(3)9-5/h1-4H3

Clé InChI

FINHMKGKINIASC-UHFFFAOYSA-N

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Description générale

2,3,5,6-Tetramethylpyrazine has been isolated from Ephedra sinica. It is useful in the treatment of several disorders such as asthma, heart failure, rhinitis and urinary incontinence. It is a flavor ingredient of tobacco. It forms cocrystal with 4-hydroxybenzoic acid which exhibits supramolecular synthon polymorphism.

Pictogrammes

Exclamation mark

Mention d'avertissement

Warning

Mentions de danger

Classification des risques

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Organes cibles

Respiratory system

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

dust mask type N95 (US), Eyeshields, Gloves


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Consulter la Bibliothèque de documents

Gyoseon Goya M Yeom et al.
International immunopharmacology, 18(2), 262-269 (2013-12-18)
2,3,5,6-Tetramethylpyrazine (TMP) is known as a composition of Ephedra sinica and it has been used in the treatment of several disorders such as asthma, heart failure, rhinitis, and urinary incontinence. It has been reported that TMP inhibits melanoma metastasis and
B R Sreekanth et al.
Chemical communications (Cambridge, England), (23)(23), 2375-2377 (2007-09-12)
Co-crystals of 4-hydroxybenzoic acid and 2,3,5,6-tetramethylpyrazine (2 : 1) exhibit the first supramolecular synthon polymorphism in a co-crystal; metastable anti-hierarchic polymorph I converts to stable hierarchic form II.
Christopher R E Coggins et al.
Inhalation toxicology, 23 Suppl 1, 84-89 (2011-04-05)
Three heterocyclic nitrogen compounds, 2,3-diethylpyrazine (DEP), 2,3,5,6-tetramethylpyrazine (TMP), and 2-acetyl pyridine (AP), are naturally present in tobacco and are also added to tobacco as flavor ingredients. A battery of tests was used to compare the toxicity of mainstream smoke from
Huda M AlKreathy et al.
Saudi pharmaceutical journal : SPJ : the official publication of the Saudi Pharmaceutical Society, 28(8), 916-926 (2020-08-15)
Available antiulcer medications reveal partial efficacy and numerous adverse reactions. Tetramethylpyrazine (TMP) was known for its potential antioxidant, anti-inflammatory and angiogenic properties. The aim of current study was to investigate the potential gastroprotective effect of TMP against indomethacin-induced gastric ulcer
Hongfei Chen et al.
European journal of medicinal chemistry, 46(11), 5609-5615 (2011-10-14)
A series of novel ligustrazinyloxy-cinnamic acid derivatives were designed, synthesized and evaluated for their inhibitory effect on adenosine diphosphate (ADP)-induced platelet aggregation in vitro, and also assayed for their protective effect against hydrogen peroxide (H(2)O(2))-induced oxidative damage on ECV-304 cells.

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