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.
Maleic Acid
Catalogue No.:PA 13 73000
CAS :
Molecular Formula : C4H4O4
Molecular Weight : 116.07
Bis(2-ethylhexyl)maleate
Catalogue No.:PA 13 73510
Molecular Formula : C20H36O4
Molecular Weight : 340.5
(2Z)-2-Butenedioic Acid 1-Methyl Ester-d3
Catalogue No.:PA STI 016110
Molecular Formula : C5H3D3O4
Molecular Weight : 133.12
(Z)-2-Ethyl-3-methylmaleic Acid-d3 Disodium Salt
Catalogue No.:PA STI 039630
Molecular Formula : C7H5D3Na2O4
Molecular Weight : 205.13
2-Ethyl-3-methylmaleic Anhydride-d3
Catalogue No.:PA STI 039640
Molecular Formula : C7H5D3O3
Molecular Weight : 143.16
1-[4-[[2-(1-Methylethoxy)ethoxy]methyl]phenoxy]-2-[(1-methylethyl)amino]-1-methylethanol-d5 Fumarate (Bisoprolol Fumarate Impurity)
Catalogue No.:PA STI 059790
Molecular Formula : C22H30D5NO8
Molecular Weight : 446.55
Monostearyl Maleate
Catalogue No.:PA 13 73520
Molecular Formula : C22H40O4
Molecular Weight : 368.56
Maleic acid (M0100000)
Catalogue No.:PA EPM0100000
Molecular Formula : NA
Molecular Weight : NA
Malic acid - reference spectrum (Y0000143)
Catalogue No.:PA EPY0000143
Maleic Acid (1374500)
Catalogue No.:PA USP1374500
Maleic Acid Monomethyl Ester
Catalogue No.:PA 13 0731000
Molecular Formula : C5H6O4
Molecular Weight : 130.1
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