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Merck
CN

D1523

N,N′-Diacetylchitobiose

≥96% (HPLC)

别名:

2-Acetamido-2-deoxy-4-O-(2-acetamido-2-deoxy-β-D-gluco­pyranosyl)-D-glucopyranose, 4-O-(2-Acetamido-2-deoxy-β-D-glucopyranosyl)-2-acetamido-2-deoxy-D-glucose, Chitobiose

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关于此项目

经验公式（希尔记法）:
C16H28N2O11
化学文摘社编号:
35061-50-8
分子量:
424.40
UNSPSC Code:
12352201
NACRES:
NA.25
PubChem Substance ID:
24893467
MDL number:
MFCD00077715
Beilstein/REAXYS Number:
61689

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产品名称

N,N′-Diacetylchitobiose, ≥96% (HPLC)

InChI

1S/C16H28N2O11/c1-5(21)17-9-13(25)14(8(4-20)27-15(9)26)29-16-10(18-6(2)22)12(24)11(23)7(3-19)28-16/h7-16,19-20,23-26H,3-4H2,1-2H3,(H,17,21)(H,18,22)/t7-,8-,9-,10-,11-,12-,13-,14-,15?,16+/m1/s1

SMILES string

CC(=O)N[C@H]1C(O)O[C@H](CO)[C@@H](O[C@@H]2O[C@H](CO)[C@@H](O)[C@H](O)[C@H]2NC(C)=O)[C@@H]1O

InChI key

CDOJPCSDOXYJJF-CBTAGEKQSA-N

assay

≥96% (HPLC)

form

powder

optical activity

[α]/D 15.00 to 19.00 °, c = 9.00-11.00 mg/mL in water

color

off-white

mp

245-247 °C (lit.)

solubility

H2O: 49.00-51.00 mg/mL, clear, colorless

storage temp.

−20°C

Quality Level

200

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相关类别

Application

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).

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.

Other Notes

To gain a comprehensive understanding of our extensive range of Disaccharides for your research, we encourage you to visit our Carbohydrates Category page.

Preparation Note

Prepared by the method of Barker, S.A., et al., J. Chem. Soc., 2218 (1958).

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H315,H319

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

存储类别

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
0000479046
0000479046
0000440865
0000440865
0000400198

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Paula Berton et al.
Carbohydrate polymers, 199, 228-235 (2018-08-26)
Chitin, one of Nature's most abundant biopolymers, can be obtained by either traditional chemical pulping or by extraction using the ionic liquid (IL) 1-ethyl-3-methylimidazolium acetate. The IL extraction and coagulation process provides access to a unique chitin, with an open
Estefania O Juárez-Hernández et al.
Scientific reports, 9(1), 2591-2591 (2019-02-24)
There is no structural information about any chitinase synthesized by Bacillus thuringiensis, the most successful microbial insect larvicide used worldwide. In this study, we solved the 3D structure of the chitinase ChiA74 at 2.26 Å. The crystal structure shows that ChiA74
Jennifer S M Loose et al.
Protein science : a publication of the Protein Society, 25(12), 2175-2186 (2016-09-20)
Lytic polysaccharide monooxygenases (LPMOs) represent a recent addition to the carbohydrate-active enzymes and are classified as auxiliary activity (AA) families 9, 10, 11, and 13. LPMOs are crucial for effective degradation of recalcitrant polysaccharides like cellulose or chitin. These enzymes
Rubén López-Mondéjar et al.
The FEBS journal, 276(18), 5137-5148 (2009-08-14)
The chitinolytic enzyme machinery of fungi consists of chitinases and beta-N-acetylglucosaminidases. These enzymes are important during the fungal life cycle for degradation of exogenous chitin, which is the second most abundant biopolymer, as well as fungal cell-wall remodelling. In addition
Manoharan Mathiselvam et al.
Carbohydrate research, 380, 37-44 (2013-08-07)
The linkage region, GlcNAcβAsn, is conserved in all eukaryotic N-glycoproteins. As a logical extension of a research endeavor aimed at understanding the structural significance of GlcNAc and Asn as the linkage region constituents, the newer analogs GlcNAcβNHBu and (GlcNAcβ(1-4)GlcNAc)alkanamides have
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