Certificate Of Analysis
Product Name α-Methyl-DL-tyrosine
Product Number M7628
Product Brand SIGMA
CAS Number 658-48-0
Molecular Formula 4-(HO)C6H4CH2C(CH3)(NH2)CO2H
Molecular Weight 195.22
 
TEST SPECIFICATION LOT 037H7702 RESULTS
APPEARANCE WHITE TO WHITE WITH A YELLOW CAST POWDER WHITE POWDER
SOLUBILITY CLEAR TO SLIGHTLY HAZY COLORLESS TO LIGHT YELLOW SOLUTION AT 400 MG PLUS 4 ML OF 1 N HYDROCHLORIC ACID SLIGHTLY HAZY FAINT YELLOW SOLUTION AT 400 MG PLUS 4 ML OF 1 M HYDROCHLORIC ACID
IR SPECTRUM CONSISTENT WITH STRUCTURE CONFORMS TO STRUCTURE
ELEMENTAL ANALYSIS 60.3 TO 62.8% CARBON 6.9 TO 7.5% NITROGEN 61.9% CARBON 7.3% NITROGEN
PURITY BY THIN LAYER CHROMATOGRAPHY NOT LESS THAN 98% GREATER THAN 99%
QC RELEASE DATE APRIL 1997