This product is not intended explicitly for use in HPLC analysis. The purity of this chemical is assayed by HPLC, but it is not intended for use as an analytical standard. The item is typically used as a source of carbohydrates in culture media and as a means of characterizing microorganisms based on their carbohydrate fermentation capabilities. This material undergoes significant quality control testing for these biological applications.
Product 91852, (D-(+)-Cellobiose, is intended for use as a analytical standard. This product may be used for D-(+)-Cellobiose quantitation in either liquid chromatography or gas chromatography applications.
22150
D-(+)-Cellobiose
≥99.0%, suitable for microbiology, Reducing sugar disaccharide
Synonym(s):
Cellobiose, Cellose, Beta-Cellobiose, D-Cellobiose, β-D-Glc-(1→4)-D-Glc, 4-O-β-D-Glucopyranosyl-D-glucose
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$159.00
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$630.00
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10 G
$36.70
50 G
$159.00
250 G
$630.00
About This Item
Empirical Formula (Hill Notation):
C12H22O11
CAS Number:
Molecular Weight:
342.30
Beilstein/REAXYS Number:
93795
EC Number:
MDL number:
UNSPSC Code:
41106212
PubChem Substance ID:
NACRES:
NA.85
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$36.70
In StockDetails
New
Shipping Frequency
Quality Level
assay
≥99.0% (HPLC)
≥99.0%
form
powder
optical activity
[α]20/D +34±1°, 15 hr, c = 10% in H2O
mol wt
342.30 g/mol
ign. residue
≤0.1% (as SO4)
loss
≤1% loss on drying, 110 °C
mp
~235 °C (dec.)
239 °C (dec.) (lit.)
anion traces
chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg
cation traces
As: ≤0.1 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤150 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg
application(s)
microbiology
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
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This Item | C7252 | 91852 | 219458 |
|---|---|---|---|
| assay ≥99.0% (HPLC) | assay ≥98% (HPLC) | assay ≥98% (HPLC) | assay ≥98% (HPLC) |
| Quality Level 200 | Quality Level 200 | Quality Level 100 | Quality Level 100 |
| form powder | form powder | form - | form crystalline powder |
| cation traces As: ≤0.1 mg/kg, Cd: ≤5 mg/kg, Cr: ≤5 mg/kg, Fe: ≤5 mg/kg, Mg: ≤5 mg/kg, Na: ≤50 mg/kg, Pb: ≤5 mg/kg, Ca: ≤10 mg/kg, Cu: ≤5 mg/kg, Mn: ≤5 mg/kg, Zn: ≤5 mg/kg, Co: ≤5 mg/kg, Ni: ≤5 mg/kg, K: ≤150 mg/kg | cation traces - | cation traces - | cation traces - |
| mp ~235 °C (dec.) | mp 239 °C (dec.) (lit.) | mp 239 °C (dec.) (lit.) | mp - |
| optical activity [α]20/D +34±1°, 15 hr, c = 10% in H2O | optical activity [α]/D 34±1, c = 10% (w/v) in water | optical activity [α]/D 34±1°, c = 10 in H2O | optical activity - |
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.
Application
Cellobiose has applications as a carbohydrate source in culture media and biochemical characterization of microorganisms, based on their carbohydrate fermentation abilities
Storage Class
11 - Combustible Solids
wgk_germany
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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