D-(+)-Cellobiose,;, for microbiology, >=99.0%

Code: 22150-50G D2-231

Application

Cellobiose has applications as a carbohydrate source in culture media and biochemical characterization of microorganisms, based on their carbohydrate fermentation...


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Application

Cellobiose has applications as a carbohydrate source in culture media and biochemical characterization of microorganisms, based on their carbohydrate fermentation abilities

General description

Cellobiose is a disaccharide that is a reducing sugar. It is added to culture media as a nutrient supplement, specifically as a carbohydrate source, and can be used to differentiate bacteria based on their ability to ferment cellobiose. For example, Vibrio spp. can ferment cellobiose which results in acid production and can be indicated by the pH indicator bromothymol blue, which turns yellow at acidic pH. The addition of cellobiose in the media also stimulates the initial growth of Salmonella.

anion tracessulfate (SO42-): ≤50 mg/kg, chloride (Cl-): ≤50 mg/kg
application(s)microbiology
assay≥99.0%, ≥99.0% (HPLC)
cation tracesNa: ≤50 mg/kg, As: ≤0.1 mg/kg, K: ≤150 mg/kg, Cr: ≤5 mg/kg, Mn: ≤5 mg/kg, Mg: ≤5 mg/kg, Ca: ≤10 mg/kg, Pb: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, Zn: ≤5 mg/kg, Ni: ≤5 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg
formpowder
ign. residue≤0.1% (as SO4)
InChI keyDKXNBNKWCZZMJT-WELRSGGNSA-N
InChI1S/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
loss≤1% loss on drying, 110 °C
mol wt342.30 g/mol
mp239 °C (dec.) (lit.), ~235 °C (dec.)
optical activity[α]20/D +34±1°, 15 hr, c = 10% in H2O
Quality Level200
SMILES stringOC[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
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Description
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22150-10G
D-(+)-Cellobiose,;, for microbiology, >=99.0%

Unit:10G
List Price: £40.00
Source:List Price
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22150-250G
D-(+)-Cellobiose,;, for microbiology, >=99.0%

Unit:250G
List Price: £531.00
Source:List Price
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Cas Number528-50-7
This product has met the following criteria: