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] => Levothyroxine - Impurity E [catalogue_number] => PA 12 15050 [category_ids] => ,97,105,70, [chemical_name] => [weight] => 525.08 [form] => C15H13I2NO4 [cas] => 1041-01-6 [pslug] => 1041-01-6-levothyroxine-impurity-e-pa1215050 [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 15050
CAS :
Molecular Formula : C15H13I2NO4
Molecular Weight : 525.08
stdClass Object ( [pname] => Levothyroxine - Impurity J [catalogue_number] => PA 12 15100 [category_ids] => ,97,105, [chemical_name] => [weight] => 525.08 [form] => C15H13I2NO4 [cas] => 4604-41-5 [pslug] => 4604-41-5-levothyroxine-impurity-j-pa1215100 [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 15100
stdClass Object ( [pname] => Levothyroxine - Impurity K [catalogue_number] => PA 12 15110 [category_ids] => ,97,105, [chemical_name] => [weight] => 650.97 [form] => C15H12I3NO4 [cas] => 5817-39-0 [pslug] => 5817-39-0-levothyroxine-impurity-k-pa1215110 [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 15110
Molecular Formula : C15H12I3NO4
Molecular Weight : 650.97
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