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Product DetailsBasic Info.Model NO.:25416-65-3Product Name:Levothyroxine SodiumCAS:25416-65-3Molecular Formula:C15h10I4nnao4Molecular Weight:798.86Purity:99%Einecs:200-221-4Appearance:White PowderSynonyms:Sodium Levothyroxine, T4Export Markets:Global Additional Info.Packing:25kg/ DrumStandard:Medical gradeOrigin:ChinaHS Code:7845495Production Capacity:250kg /Month Product DescriptionQuick Detail: Levothyroxine sodium; L-Thyroxine Sodium (Steroids) Aliases: L-Thyroxine sodium salt; Sodium 4-o-(4-hydroxy-3, 5-diiodophenyl)-3, 5-diiodo-l-tyrosine; Sodium (2S)-2-amino-3-[4-(4-hydroxy-3, 5-diiodophenoxy)-3, 5-diiodophenyl]propanoate hydrate (1: 1: 5); Sodium 2-amino-3-[4-(4-hydroxy-3, 5-diiodophenoxy)-3, 5-diiodophenyl]propanoate; Tyrosine, O-(4-hydroxy-3, 5-diiodophenyl)-3, 5-diiodo-, sodium salt (1: 1) CAS: 55-03-8 Appearance: Almost whtie powder EINECS: 200-221-4 MF: C15H11I4NNaO4 MW: 799.8592 Specifications: Appearance: White crystals, crystalline powder Assay: 99.0 - 100.5% Specific Rotation: -0.10 o --- +0.10 o Residue on ignition: 0.10% max Water-insoluble substance: 0.1% max Fumaric Acid: 1.0% max Maleic Acid: 0.05% max Heavy metals(as Pb): 10 ppm max Arsenic(As): 4 ppm max Boiling Point: 576.3 deg; C at 760 mmHg Melting Point: 207-210 (DEC. )(lit. ) Flash Point: 302.3 deg; C Storage Temperature: 2-8 deg; C Solubility: Cell culture medium: 0.1 mg/mL in water Usage: One of the thyroid hormones involved in the maintenance of metabolic homeostasis. Synthesized and stored as amino acid residues of thyroglobulin, the major protein component of the thyroid follicular colloid. Synthesis and secretion are regulated by the pituitary hormone (TSH). Deiodinated in peripheral tissues to the active metabolite, liothyronine. The D-form has very little activity as a thyroid hormone, but has been used to treat hyperlipidemia. Email Address:exo@yccreate.comSkype:silvialiuPhone:027-50756101
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