Certificate Of Analysis
Product Name Ribonucleic acid, transfer from Escherichia coli,
Type XX, Strain W, lyophilized powder
Product Number R1753
Product Brand SIGMA
CAS Number 9014-25-9
 
TEST SPECIFICATION LOT 066K7405 RESULTS
APPEARANCE WHITE TO OFF-WHITE POWDER WHITE POWDER
UV ABSORBANCE UNITS APPROX. 18 A260 UNITS/MG SOLID 20.1 A260 UNITS/MG
SUITABILITY FOR AMINO ACID ACCEPTOR ACTIVITY EACH LOT GIVES A POSITIVE RESPONSE WHEN INCUBATED AT PH7.6 AT 37DEGC WITH AMINOACYL-TRNA SYNTHETASE AND A MIXTURE OF RADIOLABELED AMINO ACIDS CONTAINING ALA, ASP, GLY, ILE, LYS, PRO, THR, VAL, ARG, GLU, HIS, LEU, PHE, SER AND TYR. CONFORMS
QC RELEASE DATE AUGUST 2006