A synthetic form of thyroid hormone, Thyroxine. Levothyroxine is used in the treatment of thyroid hormone deficiency and certain types of thyroid tumors. It is a levorotatory enantiomer of Thyroxine. Reference standards of Levothyroxine API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
stdClass Object ( [pname] => Thyroxamine [catalogue_number] => PA 12 15800 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 732.86 [form] => C14H11I4NO2 [cas] => 3571-49-1 [pslug] => 3571-49-1-thyroxamine-pa1215800 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 12 15800
CAS :
Molecular Formula : C14H11I4NO2
Molecular Weight : 732.86
stdClass Object ( [pname] => Ethyl (S)-2-acetamido-3-(4-(4-methoxyphenoxy)-3,5-dinitrophenyl)propanoate [catalogue_number] => PA 12 0151005 [category_ids] => ,70,71,78,79,80,82, [chemical_name] => [weight] => 447.4 [form] => C20H21N3O9 [cas] => 83290-90-8 [pslug] => 83290-90-8-ethyl-s-2-acetamido-3-4-4-methoxyphenoxy-3-5-dinitrophenyl-propanoate-pa120151005 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 12 0151005
Molecular Formula : C20H21N3O9
Molecular Weight : 447.4
stdClass Object ( [pname] => Ethyl (S)-2-acetamido-3-(3,5-diamino-4-(4-methoxyphenoxy)phenyl)propanoate [catalogue_number] => PA 12 0151006 [category_ids] => ,70,71,78,79,80,82, [chemical_name] => [weight] => 387.44 [form] => C20H25N3O5 [cas] => 440667-78-7 [pslug] => 440667-78-7-ethyl-s-2-acetamido-3-3-5-diamino-4-4-methoxyphenoxy-phenyl-propanoate-pa120151006 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 12 0151006
Molecular Formula : C20H25N3O5
Molecular Weight : 387.44
stdClass Object ( [pname] => Ethyl (S)-2-acetamido-3-(3,5-diiodo-4-(4-methoxyphenoxy)phenyl)propanoate [catalogue_number] => PA 12 0151007 [category_ids] => ,70,71,78,79,80,82, [chemical_name] => [weight] => 609.2 [form] => C20H21I2NO5 [cas] => 83730-50-1 [pslug] => 83730-50-1-ethyl-s-2-acetamido-3-3-5-diiodo-4-4-methoxyphenoxy-phenyl-propanoate-pa120151007 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 12 0151007
Molecular Formula : C20H21I2NO5
Molecular Weight : 609.2
stdClass Object ( [pname] => (S)-2-Acetamido-3-(4-hydroxy-3,5-dinitrophenyl)propanoic Acid [catalogue_number] => PA 12 0151008 [category_ids] => ,70,71,78,79,80,82, [chemical_name] => [weight] => 313.22 [form] => C11H11N3O8 [cas] => 20767-00-4 [pslug] => 20767-00-4-s-2-acetamido-3-4-hydroxy-3-5-dinitrophenyl-propanoic-acid-pa120151008 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 12 0151008
Molecular Formula : C11H11N3O8
Molecular Weight : 313.22
stdClass Object ( [pname] => Ethyl (S)-2-acetamido-3-(4-hydroxy-3,5-dinitrophenyl)propanoate [catalogue_number] => PA 12 0151009 [category_ids] => ,70,71,78,79,80,82, [chemical_name] => [weight] => 341.28 [form] => C13H15N3O8 [cas] => 29358-99-4 [pslug] => 29358-99-4-ethyl-s-2-acetamido-3-4-hydroxy-3-5-dinitrophenyl-propanoate-pa120151009 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 12 0151009
Molecular Formula : C13H15N3O8
Molecular Weight : 341.28
stdClass Object ( [pname] => 4-(4-Methoxyphenoxy)benzaldehyde [catalogue_number] => PAI 12 008277 [category_ids] => ,70, [chemical_name] => [weight] => 228.25 [form] => C14H12O3 [cas] => 78725-47-0 [pslug] => 78725-47-0-4-4-methoxyphenoxy-benzaldehyde-pai12008277 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PAI 12 008277
Molecular Formula : C14H12O3
Molecular Weight : 228.25
stdClass Object ( [pname] => 4-(4-Hydroxyphenoxy)benzaldehyde [catalogue_number] => PAI 12 008278 [category_ids] => ,70, [chemical_name] => [weight] => 214.22 [form] => C13H10O3 [cas] => 91378-31-3 [pslug] => 91378-31-3-4-4-hydroxyphenoxy-benzaldehyde-pai12008278 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PAI 12 008278
Molecular Formula : C13H10O3
Molecular Weight : 214.22
stdClass Object ( [pname] => 4-(4-Hydroxyphenoxy)-3,5-diiodobenzaldehyde [catalogue_number] => PAI 12 076001 [category_ids] => ,70, [chemical_name] => [weight] => 466.01 [form] => C13H8I2O3 [cas] => 2828-49-1 [pslug] => 2828-49-1-4-4-hydroxyphenoxy-3-5-diiodobenzaldehyde-pai12076001 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PAI 12 076001
Molecular Formula : C13H8I2O3
Molecular Weight : 466.01
stdClass Object ( [pname] => (S)-2-Amino-3-(4-(3-(4-(4-((S)-2-amino-2-carboxyethyl)-2,6-diiodophenoxy)-2,6-diiodophenoxy)-4-hydroxy-5-iodophenoxy)-3,5-diiodophenyl)propanoic Acid [catalogue_number] => PA 12 0151010 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 1425.84 [form] => C30H21I7N2O8 [cas] => 2088032-62-4 [pslug] => 2088032-62-4-s-2-amino-3-4-3-4-4-s-2-amino-2-carboxyethyl-2-6-diiodophenoxy-2-6-diiodophenoxy-4-hydroxy-5-iodophenoxy-3-5-diiodophenyl-propanoic-acid-pa120151010 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 12 0151010
Molecular Formula : C30H21I7N2O8
Molecular Weight : 1425.84
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