L-Thyroxine sodium salt pentahydrate ≥98.0% (by titrimetric analysis)
Fornitore: TCI
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Pericolo
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Synonyms:
Sodium (S)-2-Amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propionate pentahydrate, (S)-2-Amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propionic acid sodium salt pentahydrate, Levothyroxine sodium pentahydrate
Formula:
C₁₅H₁₁I₄NO₄ Peso molecolare: 798.86 g/mol |
MDL Number:
MFCD00002596 CAS Number: 55-03-8 EINECS: 200-221-4 UN: 2811 ADR: 6.1 III |
Risultati del test di specificazione
Appearance | White to Yellow to Orange powder to crystal |
Purity (HPLC) | min. 97.0 area% |
Purity (Nonaqueous Titration) | min. 98.0 % (calcd.on anh.substance) |
Specific rotation [a]20/D | -6.5 to -4.5 deg (C=3, EtOH:1mol/L NaOH=2:1) |
Water | 8.0 to 12.0 % |
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