Amlodipine is commonly used in the treatment of high blood pressure and angina. Amlodipine, initially approved by the FDA in 1987, is a popular antihypertensive drug belonging to the group of drugs called dihydropyridine calcium channel blockers. Reference standards of Amlodipine API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
Amlodipine
Catalogue No.:PA 01 49000
CAS :
Molecular Formula : C20H25ClN2O5
Molecular Weight : 408.88
Amlodipine 4-chloro Isomer
Catalogue No.:PA 01 49530
Amlodipine N-Galactopyranoside
Catalogue No.:PA 01 49560
Molecular Formula : C26H35ClN2O10
Molecular Weight : 571.02
Amlodipine Mannitol Adduct
Catalogue No.:PA 01 49570
Molecular Formula : C26H37ClN2O10
Molecular Weight : 573.03
(S)-Amlodipine
Catalogue No.:PA 01 49580
Amlodipine Ethyl Monoester Impurity
Catalogue No.:PA 01 50530
Molecular Formula : C19H23ClN2O5
Molecular Weight : 394.85
S(-)Amlodipine Besylate Hemipentahydrate
Catalogue No.:PA 01 50540
Molecular Formula : C20H25ClN2O5.C6H6O3S.5/2(H2O)
Molecular Weight : 408.88 + 158.17+2.5(18.02)
S(-)Amlodipine Besylate
Catalogue No.:PA 01 50560
Molecular Formula : C26H31ClN2O8S
Molecular Weight : 567.05
5-Ethyl 7-methyl 6-(2-chlorophenyl)-8-methyl-3,4,6,7-tetrahydro-2H-benzo[b][1,4]oxazine-5,7-dicarboxylate
Catalogue No.:PA 01 50580
Molecular Formula : C20H22ClNO5
Molecular Weight : 391.85
Deschloro Amlodipine
Catalogue No.:PA 01 0491000
Molecular Formula : C20H26N2O5
Molecular Weight : 374.44
4-(2,3-Dichlorophenyl)-1,4-dihydro-2,6-dimethyl-3,5-pyridinedicarboxylic acid 3-(2-cyanoethyl) 5-methyl ester
Catalogue No.:PA 01 0501008
Molecular Formula : C19H18Cl2N2O4
Molecular Weight : 409.26
Amlodipine N Lactoside Besilate
Catalogue No.:PA 01 0491026
Molecular Formula : C38H51ClN2O18S
Molecular Weight : 891.33
Amlodipine Azido Impurity
Catalogue No.:PA 01 49520
Molecular Formula : C20H23ClN4O5
Molecular Weight : 434.87
(R)-Amlodipine
Catalogue No.:PA 01 49540
2-((2-Aminoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylic Acid
Catalogue No.:PA 01 49550
Molecular Formula : C17H19ClN2O5
Molecular Weight : 366.8
4-(2-Chlorophenyl)-1,4-dihydro-2-(hydroxymethyl)-6-methyl-3,5-pyridinedicarboxylic Acid 3-Ethyl 5-Methyl Ester
Catalogue No.:PA 01 49590
Molecular Formula : C18H20ClNO5
Molecular Weight : 365.81
3-Ethyl 5-Methyl 2-((2-acetamidoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate
Catalogue No.:PA 01 49600
Molecular Formula : C22H27ClN2O6
Molecular Weight : 450.91
3-Ethyl 5-methyl 4-(2-chlorophenyl)-6-methyl-2-((2-((3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)amino)ethoxy)methyl)-1,4-dihydropyridine-3,5-dicarboxylate
Catalogue No.:PA 01 49610
Amlodipine N-Lactoside
Catalogue No.:PA 01 50510
Molecular Formula : C32H45ClN2O15
Molecular Weight : 733.16
Amlodipine Methyl Monoester Impurity
Catalogue No.:PA 01 50520
Molecular Formula : C18H21ClN2O5
Molecular Weight : 380.82
R(+)Amlodipine Besylate
Catalogue No.:PA 01 50550
N-Formyl Amlodipine
Catalogue No.:PA 01 50570
Molecular Formula : C21H25ClN2O6
Molecular Weight : 436.89
(R)-Amlodipine-d4
Catalogue No.:PA STI 007410
Molecular Formula : C20H21D4ClN2O5
Molecular Weight : 412.90
(S)-Amlodipine-d4
Catalogue No.:PA STI 007420
Amlodipine-d4
Catalogue No.:PA STI 007430
Amlodipine-d4 Maleic Acid Salt
Catalogue No.:PA STI 007440
Molecular Formula : C24H25D4ClN2O9
Molecular Weight : 528.97
Amlodipine Related Compound E (Diethyl 2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-6-methyl-1,4-di (1029556)
Catalogue No.:PA USP1029556
Molecular Formula : NA
Molecular Weight : NA
Amlodipine Related Compound F (Dimethyl 2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-6-methyl-1,4-d (1029567)
Catalogue No.:PA USP1029567
Amlodipine Related Compound D (3-Ethyl 5-methyl 4-(2-chlorophenyl)-2-{[2-(1,3-dioxoisoindolin-2-yl) (1029545)
Catalogue No.:PA USP1029545
Amlodipine Related Compound K (Ethyl 6-(2-chlorophenyl)-8-methyl-3,4,6,7-tetrahydro-2H-benzo[b][1,4 (1029614)
Catalogue No.:PA USP1029614
Amlodipine Besylate (1029501)
Catalogue No.:PA USP1029501
Amlodipine Related Compound A (3-Ethyl, 5-methyl [2-(2-aminoethoxymethyl)-4-(2-chlorophenyl)-6-meth (1029512)
Catalogue No.:PA USP1029512
Amlodipine Related Compound C (Dimethyl 4-(2-chlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dic (1029534)
Catalogue No.:PA USP1029534
Amlodipine Related Compound B (3-Ethyl 5-methyl 4-(2-chlorophenyl)-6-methyl-2-({2-[2-(methylcarbamo (1029523)
Catalogue No.:PA USP1029523
Amlodipine besilate (Y0000049)
Catalogue No.:PA EPY0000049
Amlodipine impurity A (Y0001068)
Catalogue No.:PA EPY0001068
Amlodipine impurity B (Y0001069)
Catalogue No.:PA EPY0001069
Amlodipine impurity G (Y0001070)
Catalogue No.:PA EPY0001070
Amlodipine for peak identification (Y0001067)
Catalogue No.:PA EPY0001067
Amlodipine Besilate (JP 0009)
Catalogue No.:PA JP0009
3-Ethyl 5-methyl 2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl)-6-methylpyridine-3,5-dicarboxylate
Catalogue No.:PAI 01 003010
Molecular Formula : C20H23ClN2O5
Molecular Weight : 406.90
2-((Z)-tert-Butyl 2-(2-chlorobenzylidene)-4-(2-(1,3-dioxoisoindolin-2-yl)ethoxy)-3-oxobutanoate
Catalogue No.:PAI 01 003020
Molecular Formula : C23H20ClNO6
Molecular Weight : 441.90
(E)-tert-Butyl 3-aminobut-2-enoate
Catalogue No.:PAI 01 003030
Molecular Formula : C17H20O4
Molecular Weight : 157.2
3-tert-Butyl 5-ethyl 4-(2-chlorophenyl)-2-((2-(1,3-dioxoisoindolin-2-yl)ethoxy)methyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate
Catalogue No.:PAI 01 003040
Molecular Formula : C13H16O2
Molecular Weight : 581.10
3-tert-Butyl 5-ethyl 2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate
Catalogue No.:PAI 01 003050
Molecular Formula : C23H31ClN2O5
Molecular Weight : 451.00
(Z)-Benzyl 3-aminobut-2-enoate
Catalogue No.:PAI 01 003060
Molecular Formula : C11H13NO2
Molecular Weight : 191.20
3-Benzyl 5-ethyl 4-(2-chlorophenyl)-2-((2-(1,3-dioxoisoindolin-2-yl)ethoxy)methyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate
Catalogue No.:PAI 01 003070
Molecular Formula : C34H31ClN2O7
Molecular Weight : 615.07
3-Benzyl 5-ethyl 2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate
Catalogue No.:PAI 01 003080
Molecular Formula : C26H29ClN2O5
Molecular Weight : 484.97
(Z)-Ethyl 3-aminobut-2-enoate
Catalogue No.:PAI 01 003090
Molecular Formula : C6H11NO2
Molecular Weight : 129.2
Diethyl 4-(2-chlorophenyl)-2-((2-(1,3-dioxoisoindolin-2-yl)ethoxy)methyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate
Catalogue No.:PAI 01 003100
Molecular Formula : C29H29ClN2O7
Molecular Weight : 553
(Z)-Ethyl 2-(2-chlorobenzylidene)-4-(2-(1,3-dioxoisoindolin-2-yl)ethoxy)-3-oxobutanoate
Catalogue No.:PAI 01 003120
4-[2-(1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl)ethoxy]-3-oxobutanoic Acid Methyl Ester
Catalogue No.:PAI 01 003130
Molecular Formula : C15H15NO6
Molecular Weight : 305.28
(EZ)-2-[(2-Chlorophenyl)methylene]-4-[2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)ethoxy]-3-oxobutanoic Acid Methyl Ester
Catalogue No.:PAI 01 003140
Molecular Formula : C22H18ClNO6
Molecular Weight : 427.83
4-(2-Chlorophenyl)-2-[[2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)ethoxy]methyl]-1,4-dihydro-6-methyl-3,5-pyridinedicarboxylic Acid 3,5-Dimethyl Ester
Catalogue No.:PAI 01 003150
Molecular Formula : C27H25ClN2O7
Molecular Weight : 524.95
3-Ethyl 5-methyl 4-(2-chlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
Catalogue No.:PAI 01 003160
Molecular Formula : C18H20ClNO4
Molecular Weight : 349.81
N-Boc-ethanolamine
Catalogue No.:PAI 01 003170
Molecular Formula : C7H15NO3
Molecular Weight : 161.20
3-Ethyl 5-methyl 2-((2-((tert-butoxycarbonyl)amino)ethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate
Catalogue No.:PAI 01 003180
Molecular Formula : C25H33ClN2O7
Molecular Weight : 509
Ethyl (Z)-2-(2-chlorobenzylidene)-3-oxobutanoate
Catalogue No.:PAI 01 003190
Molecular Formula : C13H13ClO3
Molecular Weight : 252.69
3-Ethyl 5-methyl 1-benzyl-4-(2-chlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
Catalogue No.:PAI 01 003200
Molecular Formula : C25H26ClNO4
Molecular Weight : 439.94
4-(2-Phthalimidoethoxy)acetoacetic Acid Ethyl Ester
Catalogue No.:PAI 01 003210
Molecular Formula : C16H17NO6
Molecular Weight : 319.31
Ethyl (E)-2-(2-chlorobenzylidene)-4-(2-(1,3-dioxoisoindolin-2-yl)ethoxy)-3-oxobutanoate
Catalogue No.:PAI 01 003220
Molecular Weight : 441.86
2-Azidoethanol
Catalogue No.:PAI 01 003230
Molecular Formula : C2H5N3O
Molecular Weight : 87.08
Ethyl (2-Azidoethoxy)acetoacetate
Catalogue No.:PAI 01 003240
Molecular Formula : C8H13N3O4
Molecular Weight : 215.21
Ethyl 6-(2-chlorophenyl)-8-methyl-3,4,6,7-tetrahydro-2H-benzo[b][1,4]oxazine-5-carboxylate
Catalogue No.:PA 01 49620
Molecular Formula : C18H20ClNO3
Molecular Weight : 333.81
Catalogue No.:PA IPIPRS 01 11
Molecular Formula :
Catalogue No.:PA IPIPRS 66 14
Catalogue No.:PAI 01 003250
Molecular Formula : C8H10O4S
Molecular Weight : 202.22
Catalogue No.:PAI 01 003260
Molecular Formula : C9H12O4S
Molecular Weight : 216.25
3-Ethyl 5-methyl 2-(chloromethyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate
Catalogue No.:PAI 01 003270
Molecular Formula : C18H19Cl2NO4
Molecular Weight : 384.25
Catalogue No.:PAI 01 003280
Molecular Formula : C2H5BrO
Molecular Weight : 124.97
Catalogue No.:PAI 01 003290
Molecular Formula : C13H12Cl2O3
Molecular Weight : 287.14
3-Ethyl 5-methyl 2-((2-bromoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate
Catalogue No.:PAI 01 003300
Molecular Formula : C20H23BrClNO5
Molecular Weight : 472.76
Diethyl 4-(2-chlorophenyl)-2-((2-(2-((2-((4-(2-chlorophenyl)-3-(ethoxycarbonyl)-5-(methoxycarbonyl)-6-methyl-1,4-dihydropyridin-2-yl)methoxy)ethyl)carbamoyl)benzamido)ethoxy)methyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate
Catalogue No.:PA 01 49630
Molecular Formula : C49H54Cl2N4O12
Molecular Weight : 961.89
(±)-Amlodipine-d4 Maleate (2-chlorophenyl-d4)
Catalogue No.:PA STI 088304
Molecular Weight : 528.98
2-[(Carboxymethoxy)methyl]-4-(2-chlorophenyl)-6-methyl-3,5-Pyridinedicarboxylic acid 3-ethyl ester
Catalogue No.:PA 01 0491002
Molecular Formula : C19H18ClNO7
Molecular Weight : 407.8
4-(2-Chlorophenyl)-6-[[2-(1,3-dihydro-1,3-dioxo-2h-isoindol-2-yl)ethoxy]methyl]-5-[4-(1,3-dihydro-1,3-dioxo-2h-isoindol-2-yl)-1-oxobutyl]-1,4-dihydro-2-methyl-3-pyridinecarboxylic acid methyl ester
Catalogue No.:PA 01 0491003
Molecular Formula : C37H32ClN3O8
Molecular Weight : 682.13
4-(2-Chlorophenyl)-2-[[2-[(1,2-dicarboxyethyl)amino]ethoxy]methyl]-1,4-dihydro-6-methyl-3,5-Pyridinedicarboxylic acid 3-ethyl 5-methyl ester
Catalogue No.:PA 01 0491004
Molecular Formula : C24H29ClN2O9
2-[(2-Chlorophenyl)methylene]-4-[2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)ethoxy]-3-oxobutanoic Acid Ethyl Ester
Catalogue No.:PA 01 0501000
Dimethyl 2,6-Dimethyl-4-phenyl-1,4-dihydropyridine-3,5-dicarboxylate
Catalogue No.:PA 01 0491005
Molecular Formula : C17H19NO4
Molecular Weight : 301.34
5-Ethyl 7-methyl 6-(2-chlorophenyl)-8-methyl-3,4,6,8a-tetrahydro-2H-benzo[b][1,4]oxazine-5,7-dicarboxylate
Catalogue No.:PA 01 0501001
9-Ethyl 7-methyl 8-(2-chlorophenyl)-6-methyl-3,4,8,9-tetrahydropyrido[2,1-c][1,4]oxazine-7,9-dicarboxylate
Catalogue No.:PA 01 0501002
5-Ethyl 7-methyl 6-(2-chlorophenyl)-8-methyl-3,4-dihydro-2H-benzo[b][1,4]oxazine-5,7-dicarboxylate
Catalogue No.:PA 01 0501003
Molecular Formula : C20H20ClNO5
Molecular Weight : 389.83
3-Ethyl 5-methyl 4-(2-chlorophenyl)-2-(ethoxymethyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate
Catalogue No.:PA 01 0501004
Molecular Formula : C20H24ClNO5
Molecular Weight : 393.86
3-Ethyl 5-methyl 2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl)-1,4-dihydropyridine-3,5-dicarboxylate
Catalogue No.:PA 01 0501005
3-Ethyl 5-methyl 4-(2-chlorophenyl)-2,6-dimethylpyridine-3,5-dicarboxylate
Catalogue No.:PA 01 0501006
Molecular Formula : C18H18ClNO4
Molecular Weight : 347.8
3-Ethyl 5-methyl 4-(2-chlorophenyl)-6-methyl-2-(morpholin-2-yl)-1,4-dihydropyridine-3,5-dicarboxylate
Catalogue No.:PA 01 0501007
Molecular Formula : C21H25ClN2O5
Molecular Weight : 420.89
(S)-Amlodipine Di-p-toluoyl-D-tartrate
Catalogue No.:PA 01 0491006
Molecular Formula : C40H43ClN2O13
Molecular Weight : 795.24
O-Des[2-aminoethyl]-O-carboxymethyl dehydroamlodipine
Catalogue No.:PA 01 0491007
Molecular Formula : C20H20ClNO7
Molecular Weight : 421.83
( N-(2-hydroxyethyl)-phthalamic acid )
Catalogue No.:PA 01 0491008
Molecular Formula : C10H11NO4
Molecular Weight : 209.2
3-Ethyl 5-methyl (S)-2-((2-(1,3-dioxoisoindolin-2-yl)ethoxy)methyl)-6-methyl-4-phenyl-1,4-dihydropyridine-3,5-dicarboxylate
Catalogue No.:PA 01 0491010
Molecular Formula : C28H28N2O7
Molecular Weight : 504.54
Ethyl 2-((2-Chlorophenyl)(hydroxy)methyl)-4-(2-(1,3-dioxoisoindolin-2-yl)ethoxy)-3-oxobutanoate
Catalogue No.:PA 01 0501009
Molecular Formula : C23H22ClNO7
Molecular Weight : 459.88
3-Ethyl 5-methyl 4-(2-chlorophenyl)-6-methyl-2-((2-(phenylsulfonamido)ethoxy)methyl)-1,4-dihydropyridine-3,5-dicarboxylate
Catalogue No.:PA 01 0501010
Molecular Formula : C26H29ClN2O7S
Molecular Weight : 549.04
2-((2-((4-(2-Chlorophenyl)-3-(ethoxycarbonyl)-5-(methoxycarbonyl)-6-methyl-1,4-dihydropyridin-2-yl)methoxy)ethyl)amino)-4-methoxy-4-oxobutanoic acid
Catalogue No.:PA 01 0501012
Molecular Formula : C25H31ClN2O9
Molecular Weight : 538.98
Diethyl 4-(2-chlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
Catalogue No.:PA 01 0501013
Molecular Formula : C19H22ClNO4
Molecular Weight : 363.84
3-Ethyl 5-methyl 4-(2-chlorophenyl)-2-(methoxymethyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate
Catalogue No.:PA 01 0491011
Molecular Formula : C19H22ClNO5
Molecular Weight : 379.84
Nitroso Amlodipine
Catalogue No.:PA 01 0491012
Molecular Formula : C29H31ClN4O8
Molecular Weight : 599.04
Nitroso Phthaloyl Amlodipine
Catalogue No.:PA 01 0491013
Molecular Formula : C28H26ClN3O8
Molecular Weight : 567.98
Amlodipine Nitroso Impurity
Catalogue No.:PA 01 0491014
Molecular Formula : C20H24ClN3O6
Molecular Weight : 437.88
3-Desethyl-3-(2-phthalimidoethyl) Phthaloyl Amlodipine
Catalogue No.:PA 01 0491015
Molecular Formula : C36H30ClN3O9
Molecular Weight : 684.1
Ethyl 4-(2-chlorophenyl)-6-methyl-2-(propoxymethyl)-1,4-dihydropyridine-3-carboxylate
Catalogue No.:PA 01 0491016
Molecular Formula : C19H24ClNO3
Molecular Weight : 349.86
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