Certificate Of Analysis
Product Name Labetalol hydrochloride,
>98% (TLC), powder
Product Number L1011
Product Brand SIGMA
CAS Number 32780-64-6
Molecular Formula C19H24N2O3 · HCl
Molecular Weight 364.87
 
TEST SPECIFICATION LOT 027H0106 RESULTS
APPEARANCE WHITE POWDER WHITE POWDER
SOLUBILITY CLEAR TO VERY SLIGHTLY HAZY COLORLESS TO FAINT YELLOW SOLUTION AT 250 MG PLUS 5 ML METHANOL CLEAR COLORLESS SOLUTION AT 200 MG PLUS 4 ML OF METHANOL
IR SPECTRUM CONFORMS TO STRUCTURE CONFORMS *
ELEMENTAL ANALYSIS 62.49% CARBON 7.60% NITROGEN
PURITY BY THIN LAYER CHROMATOGRAPHY > OR = 98% >99%
* SUPPLIER'S INFORMATION