N,N',N'',N''',N'''',N'''''-Hexaacetylchitohexaose

Bezeichnung:N,N',N'',N''',N'''',N'''''-Hexaacetylchitohexaose

CAS-Nr38854-46-5

Englisch Name:N,N',N'',N''',N'''',N'''''-Hexaacetylchitohexaose

CBNumberCB8304793

SummenformelC48H80N6O31

Molgewicht1237.17

MOL-Datei38854-46-5.mol

N,N',N'',N''',N'''',N'''''-Hexaacetylchitohexaose physikalisch-chemischer Eigenschaften

Schmelzpunkt	>250°C (dec.)
alpha	-11.4 º (in H2O)
Siedepunkt	1652.6±65.0 °C(Predicted)
Dichte	1.60±0.1 g/cm3(Predicted)
storage temp.	−20°C
Löslichkeit	Water (Slightly), Methanol (Slightly)
Aggregatzustand	Solid
pka	12.72±0.70(Predicted)
Farbe	White to Off-White
Stabilität	Hygroscopic

Sicherheit

S-Sätze:	24/25
WGK Germany	3
RTECS-Nr.	LZ6653000
HS Code	29400090

N,N',N'',N''',N'''',N'''''-Hexaacetylchitohexaose Chemische Eigenschaften,Einsatz,Produktion Methoden

Chemische Eigenschaften
White Solid
Verwenden
Studied for anti-tumor effects
Verwenden
Various publications have cited the use of N,N',N'',N''',N'''',N'''''-Hexaacetylchitohexaose in mutagenesis studies due to its antitumor effects.
Hexa-N-acetylchitohexaose is a hexamer of N-acetylglucosamine, a subunit of the natural polymer chitin. It functions as an elicitor in plants, inducing the expression of chitinases.Like chitin and some of its derivatives, hexa-N-acetylchitohexaose is a substrate of lysozyme.It also binds LysM domains on certain proteins, including an endopeptidase of T. thermophilus.Hexa-N-acetylchitohexaose heightens the immune response against Pseudomonas and Listeria in mice, stimulates cytokine secretion in mesenchymal stem cells, and inhibits nitric oxide production by activated macrophages.
Verwenden
cation exchanger ~1.4 meq/g
Reaktionen
Chitohexaose has attracted wide interest due to its special bioactivities and these potential activities are significantly related to N-acetylation.
Herein, six chitohexaose fractions with different degrees of acetylation were prepared by selective N-acetylation and ion-exchange chromatography and further analyzed by ESI/MS.
It is revealed that all the six N-acetylated chitohexaoses were of single molecular weight, the molecular weights of which were exactly assigned to 1026.44 Da, 1068.44 Da, 1110.48 Da, 1152.48 Da, 1194.49 Da, and 1236.48 Da, respectively. These results suggested that the six prepared N-acetylated chitohexaoses were N-acetylchitohexaose (D5A1), di-N-acetylchitohexaose (D4A2), tri-N-acetylchitohexaose (D3A3), tetra-N-acetylchitohexaose (D2A4), penta-N-acetylchitohexaose (D1A5), and hexa-N-acetylchitohexaose (A6), respectively, which are of great significance to screen their bioactivities and discover well-defined chitooligosaccharide molecules as potential drugs.
1. Access to N-acetylated chitohexaose with well-defined degrees of acetylation
2. Li, Kecheng; Xing, Ronge; Liu, Song; Qin, Yukun; Li, Pengcheng - BioMed Research International, 2017, vol. 2017

N,N',N'',N''',N'''',N'''''-Hexaacetylchitohexaose Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

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