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] => 8 [offers_name] => Ready Stock [offers_status] => 1 [offers_start_date] => 2024-12-16 [offers_end_date] => 2024-12-31 [pageview] => 2 [offers_slug] => ready-stock [offers_product_id] => 40550 [offers_product_code] => PA 13 73510 [offers_master_id] => 8 [offer_percentage] => 20 % OFF [offers_product_main_cat] => Pharmaceutical Reference Standards )
Catalogue No.:PA 13 73510
CAS :
Molecular Formula : C20H36O4
Molecular Weight : 340.5
stdClass Object ( [pname] => (2Z)-2-Butenedioic Acid 1-Methyl Ester-d3 [catalogue_number] => PA STI 016110 [category_ids] => ,78,70,82,98, [chemical_name] => [weight] => 133.12 [form] => C5H3D3O4 [cas] => 1266402-66-7 [pslug] => 1266402-66-7-2z-2-butenedioic-acid-1-methyl-ester-d3-pasti016110 [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 016110
Molecular Formula : C5H3D3O4
Molecular Weight : 133.12
stdClass Object ( [pname] => 2-Ethyl-3-methylmaleic Anhydride-d3 [catalogue_number] => PA STI 039640 [category_ids] => ,84,78,70,82,98, [chemical_name] => [weight] => 143.16 [form] => C7H5D3O3 [cas] => 1346599-26-5 [pslug] => 1346599-26-5-2-ethyl-3-methylmaleic-anhydride-d3-pasti039640 [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 039640
Molecular Formula : C7H5D3O3
Molecular Weight : 143.16
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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