Certificate Of Analysis
Product Name 4-Nitrophenyl α-D-maltoside,
glycosidase substrate
Product Number N5885
Product Brand SIGMA
CAS Number 17400-77-0
Molecular Formula C18H25NO13
Molecular Weight 463.39
 
TEST SPECIFICATION LOT 13120505 RESULTS
Recommended Retest Date NOV 2015
Print Date: 07.11.2012
Appearance (Form) Powder Powder
Appearance (Colour) White to White w/ Yellow Cast White
Solubility (Solvent) Water Water
Solubility (Conc) 49.00 - 51.00 mg/ml 50.00 mg/ml
Solubility (Heating) Yes or No Yes
Solubility (Turbidity) Clear Clear
Solubility (Color) Colorless to Light Yellow Very Faint Yellow
Water (by Karl Fischer) >= 0.00 % 4.26 %
Elemental Anal. (%C anhydrous) 46.25 - 47.05 % 46.95 %
Elemental Anal. (%N anhydrous) 2.70 - 3.30 % 2.72 %
NMR (Solvent) D2O D2O
Identity by NMR Consistent Consistent with Structure
Purity (TLC) >= 99.00 % 99.00 %
Specific Rotation (Solvent) Water Water
Specific Rotation (Conc) 9.00 - 11.00 mg/ml 10.00 mg/ml
Specific Rotation (Alpha D) 220.000 - 250.000 deg 234.700 deg
Storage Conditions Protect From Light Protect From Light