Maleic acid may be used to form acid addition salts with drugs to make them more stable, such as indacaterol maleate. It is an organic compound. It is the cis-isomer of butenedioic acid. Reference standards of Maleic Acid API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
stdClass Object ( [pname] => Bis(2-ethylhexyl)maleate [catalogue_number] => PA 13 73510 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 340.5 [form] => C20H36O4 [cas] => 142-16-5 [pslug] => 142-16-5-bis-2-ethylhexyl-maleate-pa1373510 [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 13 73510
CAS :
Molecular Formula : C20H36O4
Molecular Weight : 340.5
stdClass Object ( [pname] => 1-[4-[[2-(1-Methylethoxy)ethoxy]methyl]phenoxy]-2-[(1-methylethyl)amino]-1-methylethanol-d5 Fumarate (Bisoprolol Fumarate Impurity) [catalogue_number] => PA STI 059790 [category_ids] => ,79,80,98,76,75,78,70,82, [chemical_name] => [weight] => 446.55 [form] => C22H30D5NO8 [cas] => NA [pslug] => 1-4-2-1-methylethoxy-ethoxy-methyl-phenoxy-2-1-methylethyl-amino-1-methylethanol-d5-fumarate-bisoprolol-fumarate-impurity-pasti059790 [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 STI 059790
Molecular Formula : C22H30D5NO8
Molecular Weight : 446.55
stdClass Object ( [pname] => Maleic Acid Monomethyl Ester [catalogue_number] => PA 13 0731000 [category_ids] => 82,78,76,75 [chemical_name] => [weight] => 130.1 [form] => C5H6O4 [cas] => 3052-50-4 [pslug] => 3052-50-4-maleic-acid-monomethyl-ester-pa130731000 [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 13 0731000
Molecular Formula : C5H6O4
Molecular Weight : 130.1
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