Specification Sheet
Product Name S-Gal® sodium salt,
reagent for selection of recombinant bacterial clones
Product Number S7313
Product Brand SIGMA
Molecular Weight 416.35
 
TEST SPECIFICATION
APPEARANCE OFF-WHITE TO DARK YELLOW POWDER
SOLUBILITY CLEAR TO SLIGHTLY HAZY AMBER SOLUTION AT 100MG/ML IN WATER
PROTON NMR SPECTRUM CONSISTENT WITH STRUCTURE
WATER BY KARL FISCHER NMT 5%
SODIUM BY ICP * 4.2 TO 6.8%
SOLVENT CONTENT BY GAS CHROMATOGRAPHY NMT 5% TOTAL SOLVENTS
PURITY BY HPLC MINIMUM 95%
HPLC FOR DIGLYCOSYLATED PRODUCT NMT 5%
TRANSFORMATION ASSAY SUITABLE FOR B-GALACTOSIDASE GENE DETECTION IN E.COLI
NOTE * ANHYDROUS BASIS
DOCUMENT # S7313/11/20/01/1