L-thyroxine 97+%
Glass bottle, 5 g
: (S)-2-Amino-3-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)propanoic acid
- :51-48-9
- :C₁₅H₁₁I₄NO₄
- :MFCD00002595
- :776.874 g/mol
- :235…236 °C (dec.)
- :Refrigerator
- Appearance:White to beige Powder
- Infrared spectrum:Conforms
- Loss on drying:≤1.0 % (110°C, 4 h)
- HPLC:≥97.0 %
- Specific optical rotation:-4.0° to -6.0° (20°C, 589 nm) (c=1,1N NaOH:EtOH 1:2) (on dried substance)
- Pack type:Glass bottle
- Pk:5 g