L-thyroxine 97+%
Glass bottle, 1 g
Supplier: Thermo Fisher Scientific
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Product Details & Documents
Synonyms: (S)-2-Amino-3-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)propanoic acid
- CAS Number:51-48-9
- Formula:C₁₅H₁₁I₄NO₄
- MDL Number:MFCD00002595
- Molecular Weight:776.874 g/mol
- Melting Pt:235…236 °C (dec.)
- Storage Temperature:Refrigerator
Documents
ACRO21566
SDS
Specifications
Specification Test Results
- 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)
Specifications
- Pack type:Glass bottle
- Pk:1 g