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  • 554-91-6, Gentiobiose, 龙胆二糖, CAS:554-91-6
554-91-6, Gentiobiose, 龙胆二糖, CAS:554-91-6

554-91-6, Gentiobiose, 龙胆二糖, CAS:554-91-6

  • CAS:554-91-6
  • C12H22O11 / 342.3
  • MFCD00064905
  • 产品描述:554-91-6, Gentiobiose,龙胆二糖,CAS:554-91-6
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b-D-Gentiobiose

CAS No:
554-91-6
Synonyms:
6-O-(b-D-Glucopyranosyl)-D-glucopyranose
Amygdalose
MDL No:
MFCD00064905
Chemical Formula:
C12H22O11
Molecular Weight:
342.3
Product Structure


COA:

Product name: Beta-D-Gentiobiose

CAS: 554-91-6 M.F.: C12H22O11 M.W.: 342.3

Batch No: 090401 Quantity: 100mg from 1g

Items

Standards

Results

Appearance

White crystal powder

Complies

Solubility

soluble in water, insoluble in CHCl3

Complies

Identification

IR and TLC

Complies

Melting point

180 ~  190°C

182 ~ 187

Specific rotation

[a]D/20 (2%, H2O, 24h)

+8.5o ~  +10.5o

+9o

Water content (K.F.)

Max.0.5%

0.2%

Residue on ignition

Max. 1%

0.1%

TLC

Should be one spot

One spot

Assay

Min. 98%

98.6%


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