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D-(+)-Cellobiose

Name: <SC>D</SC>-(+)-Cellobiose
Brand: SIGMA

≥98% (HPLC)

Synonym(s):

β-D-Glc-(1→4)-D-Glc, 4-O-β-D-Glucopyranosyl-D-glucose

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About This Item

Empirical Formula (Hill Notation):

C₁₂H₂₂O₁₁

CAS Number:

528-50-7

Molecular Weight:

342.30

UNSPSC Code:

12352201

NACRES:

NA.21

PubChem Substance ID:

24892946

EC Number:

208-436-5

Beilstein/REAXYS Number:

93795

MDL number:

MFCD00136034

Pricing and availability is not currently available.

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Properties

biological source

plant

assay

≥98% (HPLC)

form

powder

optical activity

[α]/D 34±1, c = 10% (w/v) in water

technique(s)

HPLC: suitable

color

beige

mp

239 °C (dec.) (lit.)

solubility

water: 50 mg/mL, clear, colorless

storage temp.

room temp

SMILES string

OC[C@@H](O)[C@@H](O[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O)[C@H](O)[C@@H](O)C=O

InChI

1S/C12H22O11/c13-1-4(16)7(18)11(5(17)2-14)23-12-10(21)9(20)8(19)6(3-15)22-12/h1,4-12,14-21H,2-3H2/t4-,5+,6+,7+,8+,9-,10+,11+,12-/m0/s1

InChI key

DKXNBNKWCZZMJT-WELRSGGNSA-N

Description

General description

Cellobiose, a disaccharide, is made up of two d-glucose molecules linked by a β-1,4-glycosidic bond. This reducing sugar can mutarotate and is produced by hydrolysis of cellulose.

Application

D-(+)-Cellobiose has been used:

as a component in test sugar solution for cellobiose-mannitol permeability test
in the preparation of lyophilization solutions to study its ability to protect lyophilized β-galactosidase from enzymatic activity loss and secondary structure changes during storage
as a fermentation/growth substrate to grow Clostridium thermocellum to study its impacts on the qualitative and quantitative changes in cellulosome composition

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.

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1 of 1

This Item	22150	91852	219458
Sigma-Aldrich C7252 D-(+)-Cellobiose	Millipore 22150 D-(+)-Cellobiose	Supelco 91852 D-(+)-Cellobiose	Millipore 219458 D(+)Cellobiose
assay ≥98% (HPLC)	assay ≥99.0% (HPLC)	assay ≥98% (HPLC)	assay ≥98% (HPLC)
technique(s) HPLC: suitable	technique(s) -	technique(s) -	technique(s) -
biological source plant	biological source -	biological source -	biological source -
Quality Level 200	Quality Level 200	Quality Level 100	Quality Level 100
solubility water: 50 mg/mL, clear, colorless	solubility -	solubility -	solubility water: 5 mg/mL
form powder	form powder	form -	form crystalline powder

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Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Cultured representatives of two major phylogroups of human colonic Faecalibacterium prausnitzii can utilize pectin, uronic acids, and host-derived substrates for growth.

Mireia Lopez-Siles et al.

Applied and environmental microbiology, 78(2), 420-428 (2011-11-22)

Faecalibacterium prausnitzii is one of the most abundant commensal bacteria in the healthy human large intestine, but information on genetic diversity and substrate utilization is limited. Here, we examine the phylogeny, phenotypic characteristics, and influence of gut environmental factors on

Development of a plasmid-based expression system in Clostridium thermocellum and its use to screen heterologous expression of bifunctional alcohol dehydrogenases (adhEs).

Shuen Hon et al.

Metabolic engineering communications, 3, 120-129 (2016-04-22)

Clostridium thermocellum is a promising candidate for ethanol production from cellulosic biomass, but requires metabolic engineering to improve ethanol yield. A key gene in the ethanol production pathway is the bifunctional aldehyde and alcohol dehydrogenase, adhE. To explore the effects

The effect of alkali-soluble lignin on purified core cellulase and hemicellulase activities during hydrolysis of extractive ammonia-pretreated lignocellulosic biomass.

Linchao Zhou et al.

Royal Society open science, 5(6), 171529-171529 (2018-08-16)

Removing alkali-soluble lignin using extractive ammonia (EA) pretreatment of corn stover (CS) is known to improve biomass conversion efficiency during enzymatic hydrolysis. In this study, we investigated the effect of alkali-soluble lignin on six purified core glycosyl hydrolases and their

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Global Trade Item Number

SKU	GTIN
C7252-10MG	04061833512036
C7252-500G	04061835543526
C7252-25G	04061835543519
C7252-1KG	04061833512043
C7252-100G	04061835543502

Questions

1–2 of 2 Questions

Anonymous

9 months ago

How can I determine the shelf life / expiration / retest date of this product?

1 answer
1. Technical Support
  
  9 months ago
  
  If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
  For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
  For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
  For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf
  
  Helpful?
Anonymous

a year ago

How is shipping temperature determined? And how is it related to the product storage temperature?

1 answer
1. Technical Support
  
  a year ago
  
  Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
  
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D-(+)-Cellobiose

≥98% (HPLC)

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About This Item

biological source

assay

form

optical activity

technique(s)

color

mp

solubility

storage temp.

SMILES string

InChI

InChI key

General description

Application

Other Notes

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Storage Class

wgk

flash_point_f

flash_point_c

ppe

Documentation

Certificates of Analysis (COA)

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Questions

How can I determine the shelf life / expiration / retest date of this product?

How is shipping temperature determined? And how is it related to the product storage temperature?

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