Certificate Of Analysis
Product Name NG-Hydroxy-L-arginine acetate salt
Product Number H7278
Product Brand SIGMA
CAS Number 53598-01-9
Molecular Formula C6H14N4O3 · C2H4O2
Molecular Weight 250.25
 
TEST SPECIFICATION LOT 098K1304 RESULTS
APPEARANCE WHITE TO OFF-WHITE POWDER OFF-WHITE POWDER
SOLUBILITY CLEAR COLORLESS TO FAINT YELLOW SOLUTION AT 10MG/ML IN GLACIAL ACETIC ACID CLEAR COLORLESS SOLUTION
IR SPECTRUM CONSISTENT WITH STRUCTURE CONSISTENT WITH STRUCTURE
CARBON 33.8% TO 38.8% 36.8%
NITROGEN 20.5% TO 22.9% 20.5%
ACETATE CONTENT 17.9% TO 25.5% 23.1%
CHLORIDE < OR = 1.0% 0.5%
SPECIFIC ROTATION +18.5 TO +25.0 DEG (C = 1 IN 80% ACETIC ACID AT 25 DEG C) +19.8 DEG (C = 1 IN 80% ACETIC ACID AT 25 DEG C)
PURITY BY THIN LAYER CHROMATOGRAPHY > OR = 98% >99%
QC RELEASE DATE OCTOBER 2008