L thyroxine

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L thyroxine
Posting date : Aug 23, 2011
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05-
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L thyroxine Product Name L thyroxine English Name L-Thyroxine CAS number 51-48-9 Packaging specifications 25kg cardboard drum Specifications 99% Product Description the product name L thyroxine The alias L - four triiodothyronine; 3, 5, 3, 5 - four iodine - L - thyronine; 3 - [4 - (4 - hydroxy - 3, 5 - two iodine-benzene methoxy ) - 3, 5 - two iodine phenyl] - L - Alanine English name L-Thyroxine 51-48-9 CAS # The molecular formula C15H11I4NO4 The molecular weight of the 776.87 White crystal. Sensitive to light. From 235 to 236 DEG C decomposition. Soluble in alkali solution, insoluble in water, alcohol and ether. The specific rotation [ alpha ] 54625 3.2 DEG ( 0.66g dissolved in 6.07g 0.5mol L NaOH + 13.03g ethanol ), [ alpha ] D20 4.4 DEG ( C = 3, 0.13mol L NaOH in 70% ethanol ). Biochemical studies. The goods should be filled with argon and sealed in a cool and dry place to avoid the light preservation. Key words L - L thyroxine thyroxine quotation, the producer, L thyroxine traits, L thyroxine purposes, L thyroxine

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