低聚纤维糖(纤维二糖 、纤维三糖、纤维四糖、纤维五糖、纤维六糖)标准品

低聚纤维糖(纤维二糖 、纤维三糖、纤维四糖、纤维五糖、纤维六糖)标准品

提供 Standards for PPC, TLC, HPLC  用标准品 50mg 
A series of celloligosaccharides from dimer to heptamer are prepared by hydrolysis of cellulose ^1~4). the oligomers are composed of beta - 1, 4 - linked D - glucose. All oligomers are chromatographically pure, confirmed by high performance liquid chromatography.   

纤维二糖 Cellobiose        
    
纤维三糖 Cellotriose         
    99%
  [ alpha ]²⁶D : 22° (4%, H2O)
  Molecular weight : 504.4

纤维四糖 Cellotetraose            
  99%

[ alpha ]²³D : 16.5° (3.4%, H2O)

Molecular weight : 666.6

 
纤维五糖 Cellopentaose            
99%

[ alpha ]³⁰D : 11°(4.1%, H₂O)

Molecular weight : 828.7

  
纤维六糖  Cellohexaose 

Pure:   99%

[ alpha ]³⁰D : 10° (1.2%, H2O)
Molecular weight : 990.9

APPEARANCE :       All oligomers are lyophilized powder.