Specification Sheet
Product Name
Levothyroxine sodium hydrate PESTANAL®, analytical standard
Product Number
32995
Product Brand
sial
CAS Number
25416-65-3
Molecular Weight
798.85 (anhydrous basis)
Test | Specification |
|---|---|
| APPEARANCE (COLOR) | White to Light Yellow to Light Beige |
| APPEARANCE (FORM) | Powder or Crystals |
| PURITY (HPLC AREA %) | ≥ 98.0 % |
| SPECIFIC ROTATION (20/D) | -5.5 ± 1.0 Degrees |
| CONCENTRATION | C=3% in ETHANOL:1N SodiumHydroxid =2:1 |
| WATER | ≤ 12.0 % |
| PROTON NMR SPECTRUM | CONFORMS TO STRUCTURE |
| EXPIRY PERIOD | 60 MONTHS |