Specification Sheet
Product Name N-p-Tosyl-L-phenylalanine chloromethyl ketone,
≥97% (TLC), powder
Product Number T4376
Product Brand SIGMA
CAS Number 402-71-1
Molecular Weight 351.85
 
TEST SPECIFICATION
APPEARANCE WHITE POWDER
SOLUBILITY CLEAR TO SLIGHTLY HAZY COLORLESS TO FAINT YELLOW SOLUTION AT 50MG/ML IN ETHANOL
IR SPECTRUM CONSISTENT WITH STRUCTURE
ELEMENTAL ANALYSIS 56.6 TO 59.5% CARBON
3.6 TO 4.1% NITROGEN
PURITY BY THIN LAYER CHROMATOGRAPHY NLT 97%
ENZYMATIC SUITABILITY SUITABLE AS INHIBITOR OF CHYMOTRYPSIN- LIKE SERINE PROTEASES
DOCUMENT # T4376/10/14/99/3