levothyroxine
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] =>
)
Levothyroxine - Impurity E
Catalogue No.:PA 12 15050
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] =>
)
Levothyroxine - Impurity J
Catalogue No.:PA 12 15100
Molecular Formula : C15H13I2NO4
Molecular Weight : 525.08
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] =>
)
Levothyroxine - Impurity K
Catalogue No.:PA 12 15110
Molecular Formula : C15H12I3NO4
Molecular Weight : 650.97
stdClass Object
(
[pname] => Levothyroxine Sodium
[catalogue_number] => PA 12 15510
[category_ids] => ,70,78,80,82,97,
[chemical_name] =>
[weight] => 798.85
[form] => C15H10I4NNaO4
[cas] => 55-03-8
[pslug] => 55-03-8-levothyroxine-sodiumÂ-pa1215510
[latest_product] => 0
[linkproducts] => 1
[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 15510
Molecular Formula : C15H10I4NNaO4
Molecular Weight : 798.85
stdClass Object
(
[pname] => Levothyroxine Ethyl Ester
[catalogue_number] => PA 12 15520
[category_ids] => ,97,80,78,70,82,
[chemical_name] =>
[weight] => 804.92
[form] => C17H15I4NO4
[cas] => 76353-71-4
[pslug] => 76353-71-4-levothyroxine-ethyl-ester-pa1215520
[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] =>
)
Levothyroxine Ethyl Ester
Catalogue No.:PA 12 15520
Molecular Formula : C17H15I4NO4
Molecular Weight : 804.92
stdClass Object
(
[pname] => Levothyroxine Methyl Ester
[catalogue_number] => PA 12 15530
[category_ids] => ,97,80,81,78,70,82,
[chemical_name] =>
[weight] => 790.9
[form] => C16H13I4NO4
[cas] => 32180-11-3
[pslug] => 32180-11-3-levothyroxine-methyl-ester-pa1215530
[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] =>
)
Levothyroxine Methyl Ester
stdClass Object
(
[pname] => Levothyroxine D-Isomer
[catalogue_number] => PA 12 15710
[category_ids] => ,97,80,78,70,82,
[chemical_name] =>
[weight] => 776.87
[form] => C15H11I4NO4
[cas] => 51-49-0
[pslug] => 51-49-0-levothyroxine-d-isomer-pa1215710
[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 15710
Molecular Formula : C15H11I4NO4
Molecular Weight : 776.87
stdClass Object
(
[pname] => 3,3’,5-Triiodo-L-thyronine 4’-O-Sulfate
[catalogue_number] => PA 12 15900
[category_ids] => ,97,80,76,75,78,70,82,88,
[chemical_name] =>
[weight] => 731.04
[form] => C15H12I3NO7S
[cas] => 31135-55-4
[pslug] => 31135-55-4-3-3-5-triiodo-l-thyronine-4-o-sulfate-pa1215900
[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] =>
)
3,3’,5-Triiodo-L-thyronine 4’-O-Sulfate
Catalogue No.:PA 12 15900
Molecular Formula : C15H12I3NO7S
Molecular Weight : 731.04