An alpha-2 adrenergic receptor agonist, Methyldopa is used for the treatment of high blood pressure in pregnancy. It is metabolized in the liver and intestines and is excreted in urine. Reference standards of Methyldopa API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
stdClass Object ( [pname] => Methyldopa - Impurity C (Freebase) [catalogue_number] => PA 13 70030 [category_ids] => 93,97,70,78,82 [chemical_name] => [weight] => 239.27 [form] => C12H17NO4 [cas] => 39948-18-0 [pslug] => 39948-18-0-methyldopa-impurity-c-freebase-pa1370030 [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 13 70030
CAS :
Molecular Formula : C12H17NO4
Molecular Weight : 239.27
stdClass Object ( [pname] => Methyldopa - Impurity C (Hydrochloride Salt) [catalogue_number] => PA 13 70031 [category_ids] => 82,78,70,97,93 [chemical_name] => [weight] => 275.73 [form] => C12H18ClNO4 [cas] => 5486-79-3 [pslug] => 5486-79-3-methyldopa-impurity-c-hydrochloride-salt-pa1370031 [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 13 70031
Molecular Formula : C12H18ClNO4
Molecular Weight : 275.73
stdClass Object ( [pname] => Methyldopa - Impurity D [catalogue_number] => PA 13 70040 [category_ids] => ,97,69,93,78,70,82, [chemical_name] => [weight] => 211.21 [form] => C10H13NO4 [cas] => 2799-15-7 [pslug] => 2799-15-7-methyldopa-impurity-d-pa1370040 [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 13 70040
Molecular Formula : C10H13NO4
Molecular Weight : 211.21
stdClass Object ( [pname] => Methyldopa - Impurity B (Hydrochloride Salt) [catalogue_number] => PA 13 2480021 [category_ids] => ,76,75,70,78,81,123,97,82, [chemical_name] => [weight] => 245.7 [form] => C11H16ClNO3 [cas] => 35026-10-9 [pslug] => 35026-10-9-methyldopa-impurity-b-hydrochloride-salt-pa132480021 [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 13 2480021
Molecular Formula : C11H16ClNO3
Molecular Weight : 245.7
stdClass Object ( [pname] => Methyldopa - Impurity D (Hydrobromide Salt) [catalogue_number] => PA 13 0700041 [category_ids] => ,97,69,93,78,70,82, [chemical_name] => [weight] => 292.13 [form] => C10H14BrNO4 [cas] => NA [pslug] => methyldopa-impurity-d-hydrobromide-salt-pa130700041 [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 13 0700041
Molecular Formula : C10H14BrNO4
Molecular Weight : 292.13
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