N,N'-Diacetylchitobiose

Bezeichnung:N,N'-Diacetylchitobiose

CAS-Nr35061-50-8

Englisch Name:N,N'-Diacetylchitobiose

CBNumberCB1689710

SummenformelC16H28N2O11

Molgewicht424.4

MOL-Datei35061-50-8.mol

N,N'-Diacetylchitobiose physikalisch-chemischer Eigenschaften

Schmelzpunkt	245-247 °C(lit.)
Siedepunkt	927.7±65.0 °C(Predicted)
alpha	18.5 - 39.5 º (c=1% in H2O)
Dichte	1.50±0.1 g/cm3(Predicted)
storage temp.	−20°C
Löslichkeit	H₂O: 50 mg/mL, clear, colorless
Aggregatzustand	Solid
pka	12.85±0.20(Predicted)
Farbe	White to Pale Yellow
Optische Aktivität	+32.3 → +16.0
BRN	61689
Stabilität	Hygroscopic
InChIKey	CDOJPCSDOXYJJF-CBTAGEKQSA-N
LogP	-1.870 (est)
CAS Datenbank	35061-50-8(CAS DataBase Reference)

Sicherheit

Kennzeichnung gefährlicher	Xi
R-Sätze:	36/38
S-Sätze:	26-36
WGK Germany	3
F	10
HS Code	29329990

Gefahreninformationscode (GHS)

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

R-Sätze Betriebsanweisung:
R36/38:Reizt die Augen und die Haut.
S-Sätze Betriebsanweisung:
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.
Chemische Eigenschaften
White Solid
Verwenden
Diacetylchitobiose/Chitobiose, a dimer of β(1,4) linked N-acetyl-D glucosamine, is used as an alternative source of N-acetylglucosamine by some bacteria. It is used in fermentation research to study, differentiate and characterize chitobiose transporter systems and enzymes such as β-N-acetylglucosaminidase(s) and chitobiose phosphorylase(s).
Verwenden
An inhibitor of lysozyme, reverses myocardial depression and lessens norepinephrine requirements in Escherichia coli sepsis in dogs.
Verwenden
lectin inhibitor, immunopotentiator
Definition
ChEBI: N,N'-diacetylchitobiose is the N,N'-diacetylated derivative of chitobiose, but with no stereodesignation for the anomeric carbon atom. It has a role as a human metabolite, an Escherichia coli metabolite and a mouse metabolite. It is functionally related to a beta-D-glucosaminyl-(1->4)-D-glucosamine.
Biochem/physiol Actions
In chitinolytic bacteria, such as Vibrio, Streptomyces and Serratia, N,N′-Diacetylchitobiose (GlcNAc2) is not only a major breakdown product of chitinase, but it is also the smallest substance that induces chitinase production. It can also be utilized as a carbon source by E. coli, which does not express chitinases, but is exposed to GlcNAc2 produced by intestinal chitinolytic bacteria. In most organisms, the uptake of GlcNAc2 occurs via the phosphoenolpyruvate:glycose phosphotransferase system (PTS). GlcNAc2 has also been used as a substrate or inhibitor to study the activity of glycolytic enzymes.
läuterung methode
Recrystallise N,N'-Diacetylchitobiose from aqueous MeOH or aqueous EtOH/1,2-dimethoxyethane. [Zilliken et al. J Chem Soc 77 1296 1955, Beilstein 18/11 V 147.]

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

35061-50-8, N,N'-Diacetylchitobiose Verwandte Suche:

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