Certificate Of Analysis
Product Name Raltitrexed,
≥98% (HPLC), solid
Product Number R9156
Product Brand SIGMA
Molecular Formula C21H22N4O6S
Molecular Weight 458.49
 
TEST SPECIFICATION LOT 128K47101 RESULTS
APPEARANCE OFF-EHITE TO LIGHT YELLOW
SOLUBILITY CLEAR SOLUTION AT 15 MG/ML IN WATER
CARBON 53.14%
HYDROGEN 4.85%
NITROGEN 11.65%
PROTON NMR SPECTRUM CONFIRMS TO STRUCTURE
MOLECULAR WEIGHT BY MASS SPECTROMETRY CONFORMS
QC RELEASE DATE 8 AUG 2009