Certificate Of Analysis
Product Name Glycyl-L-tyrosine hydrate,
98%
Product Number 858722
Product Brand ALDRICH
CAS Number 312693-80-4
Molecular Formula 4-(HO)C6H4CH2CH(NHCOCH2NH2)CO2H·xH2O
Molecular Weight 238.24 (anhydrous basis)
 
TEST SPECIFICATION LOT 05120BW RESULTS
APPEARANCE WHITE POWDER WHITE POWDER
MELTING POINT 240 DEGREES CELSIUS, DECOMPOSES
INFRARED SPECTRUM CONFORMS TO STRUCTURE AND STANDARD AS CONFORMS TO STRUCTURE AND STANDARD AS ILLUS-
  ILLUSTRATED ON PAGE 270D OF EDITION I, TRATED ON PAGE 270D OF EDITION I, VOLUME 2
  VOLUME 2 OF "THE ALDRICH LIBRARY OF FT-IR OF "THE ALDRICH LIBRARY OF FT-IR SPECTRA"
ELEMENTAL ANALYSIS CARBON 54.1% - 56.8% (ANHYDROUS BASIS) CARBON 49.18 %
  NITROGEN 11.5% - 12.1% (ANHYDROUS BASIS) HYDROGEN 6.72 %
  NITROGEN 10.22 %
OPTICAL ROTATION +41(+/- 6) DEGREES (C=1%, H2O) +40.8DEGREES, C=1%, H2O
THIN-LAYER CONSISTENT WITH 98% PURITY 1 SPOT
TITRATION TYPICALLY 1.5% - 13.0% H2O (WITH "KARL 12.2 % H2O
SOLUBILITY 5% IN H2O; CLEAR TO SLIGHTLY HAZY, COLORLESS 50MG/ML, H2O; CLEAR VERY FAINT YELLOW