L-thyroxine 97+%
Supplier: Thermo Fisher Scientific
Certificates
About this item
CAS Number:51-48-9
:
Formula:C₁₅H₁₁I₄NO₄
MDL Number:MFCD00002595
:776.874 g/mol
Melting Pt:235…236 °C (dec.)
Storage Temperature:Refrigerator
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)
Specification Test Results
Product Information
- Catalog #Supplier #Pack typePkAvailabilityPrice
- Supplier Article Number: 215662500Local Article Number: ACRO215662500
- Supplier Article Number: 215660010Local Article Number: ACRO215660010
- Supplier Article Number: 215660050Local Article Number: ACRO215660050