Brand: nanjian
Price: USD 11 / kg
Min. Order: 1kg kg
Levothyroxine sodium;L-Thyroxine Sodium (Steroids)
Aliases:L-Thyroxine sodium salt; sodium 4-o-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-l-tyrosine; sodium (2S)-2-amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoate hydrate (1:1:5); sodium 2-amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoate; tyrosine, O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-, sodium salt (1:1)
CAS:55-03-8
Appearance:almost whtie powder
EINECS:200-221-4
MF:C15H11I4NNaO4
MW:799.8592
MS:


Items Specifications
Appearance: White crystals ,crystalline powder
Assay: 99.0 - 100.5%
Specific Rotation: -0.10 o --- +0.10 o
Residue on ignition: 0.10% max
Water-insoluble substance: 0.1% max
Fumaric Acid: 1.0% max
Maleic Acid: 0.05% max
Heavy metals(as Pb): 10 ppm max