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Product Structure |
name: 4-Nitrophenyl-α-D-galactopyranoside M.F.: C12H15O8
M.W.: 301.25 CAS: 7493-95-0
Items
Standards
Results
Appearance
White or slightly yellow crystal powder
Complies
Solubility
Soluble in DMF and insoluble in ether
Complies
NMR and MS
Should comply
Complies
Identification
IR and HPLC
Complies
Specific rotation
[α]20/D, (c=0.4, in water)
+218° ~ +222°
220°
Loss weight on dryness
Max. 1%
0.5%
Any impurity
Max. 0.5%
Complies
Residue on ignition
Max.1%
0.2%
Heavy metals
Max.20 ppm
Complies
TLC
Should be one spot
one spot
Purity
Min.98%
99.2%
Assay by HPLC
98% ~ 102%
99.4%
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