Specification Sheet
Product Name L-Thyronine
Product Number T5905
Product Brand SIGMA
CAS Number 1596-67-4
Molecular Weight 273.28
 
TEST SPECIFICATION
APPEARANCE (COLOR) WHITE WITH A YELLOW CAST
APPEARANCE (FORM) Powder
PURITY (TLC AREA %) ≥ 98.0 %
SOLUBILITY (COLOR) Light Yellow to Dark Yellow
SOLUBILITY (TURBIDITY) Clear to Slightly Hazy
SOLUBILITY (METHOD) 200MG PLUS 4 ML 1N SODIUM HYDROXIDE:METHANOL (1:1)
CARBON CONTENT 64.5 - 67.0 %
NITROGEN CONTENT 4.9 - 5.2 %
INFRARED SPECTRUM CONFORMS TO STRUCTURE