Product Name: L-Thyroxine

Synonyms: 3,5,3', 5'-tetraiodothyronine; beta-[(3,5-diiodo-4-hydroxyphenoxy)-3,5-diiodophenyl]alanine; l-3,5,3', 5'-tetraiodothyronine; l-t4; o-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-l-tyrosin; o-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodotyrosine; t4(hormone); tetraiodothyronine
CAS: 51-48-9
MF: C15H11I4NO4
MW: 776.87
EINECS: 200-101-1
Product Categories: Amino Acids; Organics; Heterocyclic Compounds; Amino Acids & Derivatives; Intermediates & Fine Chemicals; Pharmaceuticals; Isotope Labeled Compounds; Aromatics; Isotope Labelled Compounds; SYNTHROID; Isolabel; Other APIs
mp 235 °C
alpha -5 o (1N NaOH: EtOH 1:2)
storage temp. 2-8°C
Water Solubility insoluble
Merck 9491
Chemical Properties Crystalline Solid
Usage antihypercholesterimic, thyromimetic
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 thyroi d hormone, but has been used to treat hyperlipidemia.

Payment & Shipping Terms
Minimum Order Quantity: 10g
Payment Terms: Western union, Money gram, t/t
Packing: foil bag or tin.

Quick Detail
Character: White crystalline powder, odorless, tasteless, hygroscopic, light case of deterioration. Ethanol solution at 240nm wavelength of maximum absorption. Soluble in chloroform and dioxane, soluble in ethanol (1:5), acetone (1:10), methanol, slightly soluble in ether, insoluble in water, vegetable oil. Mp 161-166°C, refractive index +69-+75°.
Usage: pharmaceutical material, Androgen for testosterone deficiency, replacement therapy can also be used for functional uterine bleeding, aplastic anemia and other diseases treatment. Preparation Products Bolasterone.

Packaging & Delivery
We have professional team for package and shipment. Special way to ship 100 grams to 100kg powders at one time to your country. Fast and discreet shipment could be arranged for customs pass Guaranteed.

Our advantages
1) Our company is a professional raw powder factory in China for over 10 years, all powders are factory directly supplying.
2) Our products have exported to Germany, Norway, Poland, Finland, Spain, UK, France, Russia, USA, Australia, Japan, Korea and many other countries, over 100kgs each month.
3) Professional team special for package and shipment and staring on tracking code 24hours for customs pass guaranteed. 100% pass to UK, Norway, Poland, Spain, USA, Canada, Brazil; 98% pass to Germany, Russia, Australia, New Zealand.
4) Most of powders are in stock, Chargeable samples are available, Could be shipped out within 24hours.
5) High quality, good price, fast and safety delivery. Shipment by DHL, TNT, FEDEX, HKEMS, EMS, etc

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TESTOSTERONE SERIES

Testosterone CAS: 58-22-0
Testosterone Enanthate CAS: 315-37-7
Testosterone acetate CAS: 1045-69-8
Testosterone propionate CAS: 57-85-2
Testosterone cypionate CAS: 58-20-8
Testosterone phenylpropionate CAS: 1255-49-8
Testosterone isocaproate CAS: 15262-86-9
Testosterone decanoate CAS: 5721-91-5
Testosterone undecanoate CAS: 5949-44-0
Testosterone Sustanon 250
Methyltestosterone CAS: 65-04-3
17-Methyltestosterone CAS: 58-18-4
Turinabol/4-chlorotestosterone acetate CAS: 855-19-6
Oral turinabol CAS: 2446-23-3
Mesterolone (Proviron) CAS: 1424-00-6
Fluoxymesterone (Halotestin) CAS: 76-43-7