Impurity Reference Standard - Products

Niraparib

CAT No: CL-NPB-01 CAS No: 1038915-60-4 Mol Wt: 320.4 Mol F: C19H20N4O Inv Status: Custom Synthesis

Chemical Name: (S)-2-(4-(piperidin-3-yl)phenyl)-2H-indazole-7-carboxamide

Niraparib Tosylate

CAT No: CL-NPB-02 CAS No: 1613220-15-7 Mol Wt: 320.4 : 172.2 : 18.0 Mol F: C19H20N4O : C7H8O3S : H2O Inv Status: Custom Synthesis

Chemical Name: (S)-2-(4-(Piperidin-3-yl)phenyl)-2H-indazole-7-carboxamide 4-methylbenzenesulfonate hydrate

Ent-Niraparib

CAT No: CL-NPB-03 CAS No: 1038915-58-0 Mol Wt: 320.4 Mol F: C19H20N4O Inv Status: Custom Synthesis

Chemical Name: (R)-2-(4-(Piperidin-3-yl)phenyl)-2H-indazole-7-carboxamide

Niraparib Acid Impurity

CAT No: CL-NPB-04 CAS No: 2086267-12-9 Mol Wt: 321.4 Mol F: C19H19N3O2 Inv Status: Custom Synthesis

Chemical Name: 2-(4-(Piperidin-3-yl)phenyl)-2H-indazole-7-carboxylic acid

Niraparib Carboxylic Acid

CAT No: CL-NPB-05 CAS No: 1476777-06-6 Mol Wt: 321.4 Mol F: C19H19N3O2 Inv Status: Custom Synthesis

Chemical Name: (S)-2-(4-(Piperidin-3-yl)phenyl)-2H-indazole-7-carboxylic acid

Niraparib Carboxylic Acid Glucuronide

CAT No: CL-NPB-06 CAS No: NA Mol Wt: 497.5 Mol F: C25H27N3O8 Inv Status: Custom Synthesis

Chemical Name: (2R,3R,4R,5S)-3,4,5-Trihydroxy-6-((2-(4-((S)-piperidin-3-yl)phenyl)-2H-indazole-7-carbonyl)oxy)tetrahydro-2H-pyran-2-carboxylic acid

Niraparib Impurity 1

CAT No: CL-NPB-07 CAS No: 1038916-11-8 Mol Wt: 420.5 Mol F: C24H28N4O3 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (S)-3-(4-(7-carbamoyl-2H-indazol-2-yl)phenyl)piperidine-1-carboxylate

Niraparib Impurity 2

CAT No: CL-NPB-08 CAS No: 1476776-84-7 Mol Wt: 476.6 Mol F: C28H36N4O3 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (S)-3-(4-(7-(tert-butylcarbamoyl)-2H-indazol-2-yl)phenyl)piperidine-1-carboxylate

Niraparib Impurity 3

CAT No: CL-NPB-09 CAS No: 1196713-21-9 Mol Wt: 176.3 Mol F: C11H16N2 Inv Status: Custom Synthesis

Chemical Name: (S)-4-(Piperidin-3-yl)aniline

Niraparib Impurity 4

CAT No: CL-NPB-10 CAS No: 1334823-70-9 Mol Wt: 176.3 Mol F: C11H16N2 Inv Status: Custom Synthesis

Chemical Name: (R)-4-(Piperidin-3-yl)aniline

Niraparib Impurity 5

CAT No: CL-NPB-11 CAS No: 1263284-59-8 Mol Wt: 276.4 Mol F: C16H24N2O2 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (R)-3-(4-aminophenyl)piperidine-1-carboxylate

Niraparib Impurity 6

CAT No: CL-NPB-12 CAS No: 1289174-44-2 Mol Wt: 195.1 Mol F: C8H5NO5 Inv Status: Custom Synthesis

Chemical Name: 3-Formyl-2-nitrobenzoic acid

Niraparib Impurity 7

CAT No: CL-NPB-13 CAS No: 1331954-75-6 Mol Wt: 211.2 Mol F: C9H9NO5 Inv Status: Custom Synthesis

Chemical Name: Methyl 3-(hydroxymethyl)-2-nitrobenzoate

Niraparib Impurity 8

CAT No: CL-NPB-14 CAS No: 1187238-35-2 Mol Wt: 197.1 Mol F: C8H7NO5 Inv Status: Custom Synthesis

Chemical Name: 3-(Hydroxymethyl)-2-nitrobenzoic acid

Niraparib Impurity 9

CAT No: CL-NPB-15 CAS No: NA Mol Wt: 367.4 Mol F: C20H21N3O4 Inv Status: Custom Synthesis

Chemical Name: Methyl (R,Z)-2-nitro-3-(((4-(piperidin-3-yl)phenyl)imino)methyl)benzoate

Niraparib Impurity 10

CAT No: CL-NPB-16 CAS No: 5437-38-7 Mol Wt: 181.1 Mol F: C8H7NO4 Inv Status: Custom Synthesis

Chemical Name: 3-Methyl-2-nitrobenzoic acid

Niraparib Impurity 11

CAT No: CL-NPB-17 CAS No: 5471-82-9 Mol Wt: 195.2 Mol F: C9H9NO4 Inv Status: Custom Synthesis

Chemical Name: Methyl 3-methyl-2-nitrobenzoate

Niraparib Impurity 12

CAT No: CL-NPB-18 CAS No: 68109-89-7 Mol Wt: 250.3 Mol F: C12H14N2O4 Inv Status: Custom Synthesis

Chemical Name: Methyl (E)-3-(2-(dimethylamino)vinyl)-2-nitrobenzoate

Niraparib Impurity 13

CAT No: CL-NPB-19 CAS No: 138229-59-1 Mol Wt: 209.2 Mol F: C9H7NO5 Inv Status: Custom Synthesis

Chemical Name: Methyl 3-formyl-2-nitrobenzoate

Niraparib Impurity 14

CAT No: CL-NPB-20 CAS No: 104-03-0 Mol Wt: 181.1 Mol F: C8H7NO4 Inv Status: Custom Synthesis

Chemical Name: 2-(4-Nitrophenyl)acetic acid

Niraparib Impurity 15

CAT No: CL-NPB-21 CAS No: 2308483-82-9 Mol Wt: 360.8 Mol F: C19H21ClN2O3 Inv Status: Custom Synthesis

Chemical Name: (S)-N-(3-Chloropropyl)-2-(4-nitrophenyl)-N-(1-phenylethyl)acetamide

Niraparib Impurity 16

CAT No: CL-NPB-22 CAS No: 2308483-83-0 Mol Wt: 324.4 Mol F: C19H20N2O3 Inv Status: Custom Synthesis

Chemical Name: (S)-3-(4-Nitrophenyl)-1-((S)-1-phenylethyl)piperidin-2-one

Niraparib Impurity 17

CAT No: CL-NPB-23 CAS No: 2308483-85-2 Mol Wt: 310.4 Mol F: C19H22N2O2 Inv Status: Custom Synthesis

Chemical Name: (3S)-3-(4-Nitrophenyl)-1-[(1S)-1-phenylethyl]piperidine

Niraparib Impurity 18

CAT No: CL-NPB-24 CAS No: 1171197-20-8 Mol Wt: 276.4 Mol F: C16H24N2O2 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (S)-3-(4-aminophenyl)piperidine-1-carboxylate

Niraparib Impurity 19

CAT No: CL-NPB-25 CAS No: 1393594-26-7 Mol Wt: 197.7 Mol F: C11H16ClN Inv Status: Custom Synthesis

Chemical Name: (S)-3-Chloro-N-(1-phenylethyl)propan-1-amine

Niraparib Impurity 20

CAT No: CL-NPB-26 CAS No: 90110-81-9 Mol Wt: 225.2 Mol F: C8H7N3O5 Inv Status: Custom Synthesis

Chemical Name: 3-Methyl-2,4-dinitrobenzamide

Niraparib Impurity 21

CAT No: CL-NPB-27 CAS No: 27715-65-7 Mol Wt: 225.2 Mol F: C8H7N3O5 Inv Status: Custom Synthesis

Chemical Name: 3-Methyl-2,6-dinitrobenzamide

Niraparib Impurity 22

CAT No: CL-NPB-28 CAS No: NA Mol Wt: 424.5 Mol F: C24H32N4O3 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (S)-3-(4-((2-amino-3-carbamoylbenzyl)amino)phenyl)piperidine-1-carboxylate

Niraparib Impurity 23

CAT No: CL-NPB-29 CAS No: NA Mol Wt: 454.5 Mol F: C24H30N4O5 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (S)-3-(4-((3-carbamoyl-2-nitrobenzyl)amino)phenyl)piperidine-1-carboxylate

Niraparib Impurity 24

CAT No: CL-NPB-30 CAS No: NA Mol Wt: 422.5 Mol F: C24H30N4O3 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (S)-3-(4-((3-cyano-2-(hydroxyamino)benzyl)amino)phenyl)piperidine-1-carboxylate

Niraparib Impurity 25

CAT No: CL-NPB-31 CAS No: NA Mol Wt: 440.5 Mol F: C24H32N4O4 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (S)-3-(4-((3-carbamoyl-2-(hydroxyamino)benzyl)amino)phenyl)piperidine-1-carboxylate

Niraparib Impurity 26

CAT No: CL-NPB-32 CAS No: NA Mol Wt: 683.9 Mol F: C40H53N5O5 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (S)-3-(4-((2-((4-((S)-1-(tert-butoxycarbonyl)piperidin-3-yl)phenyl)amino)-3-carbamoylbenzyl)amino)phenyl)piperidine-1-carboxylate

Niraparib Impurity 27

CAT No: CL-NPB-33 CAS No: 1476776-81-4 Mol Wt: 402.5 Mol F: C24H26N4O2 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (S)-3-(4-(7-cyano-2H-indazol-2-yl)phenyl)piperidine-1-carboxylate

Niraparib Impurity 28

CAT No: CL-NPB-34 CAS No: NA Mol Wt: 406.5 Mol F: C24H30N4O2 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (S)-3-(4-((2-amino-3-cyanobenzyl)amino)phenyl)piperidine-1-carboxylate

Niraparib Impurity 29

CAT No: CL-NPB-35 CAS No: NA Mol Wt: 420.5 Mol F: C24H28N4O3 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (S)-3-(4-((3-cyano-2-nitrosobenzyl)amino)phenyl)piperidine-1-carboxylate

Niraparib Impurity 30

CAT No: CL-NPB-36 CAS No: NA Mol Wt: 455.5 Mol F: C24H29N3O6 Inv Status: Custom Synthesis

Chemical Name: (S)-3-(((4-(1-(Tert-butoxycarbonyl)piperidin-3-yl)phenyl)amino)methyl)-2-nitrobenzoic acid

Niraparib Impurity 31

CAT No: CL-NPB-37 CAS No: NA Mol Wt: 425.5 Mol F: C24H31N3O4 Inv Status: Custom Synthesis

Chemical Name: (S)-2-Amino-3-(((4-(1-(tert-butoxycarbonyl)piperidin-3-yl)phenyl)amino)methyl)benzoic acid

Niraparib Impurity 32

CAT No: CL-NPB-38 CAS No: NA Mol Wt: 845.1 Mol F: C48H60N8O6 Inv Status: Custom Synthesis

Chemical Name: Di-tert-butyl 3,3'-((((diazene-1,2-diylbis(3-carbamoyl-2,1-phenylene))bis(methylene))bis(azanediyl))bis(4,1-phenylene))(3S,3'S)-bis(piperidine-1-carboxylate)

Niraparib Impurity 33

CAT No: CL-NPB-39 CAS No: NA Mol Wt: 847.1 Mol F: C48H62N8O6 Inv Status: Custom Synthesis

Chemical Name: Di-tert-butyl 3,3'-((((hydrazine-1,2-diylbis(3-carbamoyl-2,1-phenylene))bis(methylene))bis(azanediyl))bis(4,1-phenylene))(3S,3'S)-bis(piperidine-1-carboxylate)

Niraparib Impurity 34

CAT No: CL-NPB-40 CAS No: NA Mol Wt: 863.1 Mol F: C48H62N8O7 Inv Status: Custom Synthesis

Chemical Name: (R)-1,2-Bis(2-(((4-((S)-1-(tert-butoxycarbonyl)piperidin-3-yl)phenyl)amino)methyl)-6-carbamoylphenyl)-1-(l1-oxidanyl)hydrazin-1-ium

Niraparib Impurity 35

CAT No: CL-NPB-41 CAS No: NA Mol Wt: 665.9 Mol F: C40H51N5O4 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (S)-3-(4-((2-((4-((S)-1-(tert-butoxycarbonyl)piperidin-3-yl)phenyl)amino)-3-cyanobenzyl)amino)phenyl)piperidine-1-carboxylate

Niraparib Impurity 36

CAT No: CL-NPB-42 CAS No: NA Mol Wt: 608.7 Mol F: C33H32N6O6 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (S,E)-3-(4-((2,3-bis(3-cyano-2-nitrophenyl)allyl)amino)phenyl)piperidine-1-carboxylate

Niraparib Impurity 37

CAT No: CL-NPB-43 CAS No: NA Mol Wt: 436.5 Mol F: C24H28N4O4 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (R)-3-(4-((3-cyano-2-nitrobenzyl)amino)phenyl)piperidine-1-carboxylate

Niraparib Impurity 38

CAT No: CL-NPB-44 CAS No: NA Mol Wt: 336.4 Mol F: C19H20N4O2 Inv Status: Custom Synthesis

Chemical Name: (S)-2-Nitro-3-(((4-(piperidin-3-yl)phenyl)amino)methyl)benzonitrile

Niraparib Impurity 39

CAT No: CL-NPB-45 CAS No: NA Mol Wt: 596.6 Mol F: C32H32N6O6 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (S)-3-(4-(bis(3-cyano-2-nitrobenzyl)amino)phenyl)piperidine-1-carboxylate

Niraparib Impurity 40

CAT No: CL-NPB-46 CAS No: NA Mol Wt: 452.5 Mol F: C24H28N4O5 Inv Status: Custom Synthesis

Chemical Name: (4-((S)-1-(Tert-butoxycarbonyl)piperidin-3-yl)phenyl)(3-cyano-2-nitrobenzyl)oxidoazane

Niraparib Impurity 41

CAT No: CL-NPB-47 CAS No: NA Mol Wt: 176.2 Mol F: C10H12N2O Inv Status: Custom Synthesis

Chemical Name: 2-(Dimethylamino)-3-(hydroxymethyl)benzonitrile

Niraparib Impurity 42

CAT No: CL-NPB-48 CAS No: NA Mol Wt: 434.6 Mol F: C26H34N4O2 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (S)-3-(4-((3-cyano-2-(dimethylamino)benzyl)amino)phenyl)piperidine-1-carboxylate

Niraparib Impurity 43

CAT No: CL-NPB-49 CAS No: NA Mol Wt: 450.5 Mol F: C24H26N4O5 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (S)-3-(4-(3-cyano-2-nitrobenzamido)phenyl)piperidine-1-carboxylate

Niraparib Impurity 44

CAT No: CL-NPB-50 CAS No: NA Mol Wt: 205.2 Mol F: C10H11N3O2 Inv Status: Custom Synthesis

Chemical Name: 3-((Dimethylamino)methyl)-2-nitrobenzonitrile

Niraparib Impurity 45

CAT No: CL-NPB-51 CAS No: NA Mol Wt: 407.5 Mol F: C22H25N5O3 Inv Status: Custom Synthesis

Chemical Name: (S)-3-(4-((3-Cyano-2-nitrobenzyl)amino)phenyl)-N,N-dimethylpiperidine-1-carboxamide

Niraparib Impurity 46

CAT No: CL-NPB-52 CAS No: NA Mol Wt: 663.9 Mol F: C40H49N5O4 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (S)-3-(4-(((E)-2-((4-((S)-1-(tert-butoxycarbonyl)piperidin-3-yl)phenyl)amino)-3-cyanobenzylidene)amino)phenyl)piperidine-1-carboxylate

Niraparib Impurity 47

CAT No: CL-NPB-53 CAS No: NA Mol Wt: 606.6 Mol F: C33H30N6O6 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (S)-3-(4-(((1Z,2E)-2,3-bis(3-cyano-2-nitrophenyl)allylidene)amino)phenyl)piperidine-1-carboxylate

Niraparib Impurity 48

CAT No: CL-NPB-54 CAS No: NA Mol Wt: 434.5 Mol F: C24H26N4O4 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (S,E)-3-(4-((3-cyano-2-nitrobenzylidene)amino)phenyl)piperidine-1-carboxylate

Niraparib Impurity 49

CAT No: CL-NPB-55 CAS No: NA Mol Wt: 419.5 Mol F: C25H29N3O3 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (S,E)-3-(4-((3-cyano-2-methoxybenzylidene)amino)phenyl)piperidine-1-carboxylate

Niraparib Impurity 50

CAT No: CL-NPB-56 CAS No: NA Mol Wt: 405.5 Mol F: C24H27N3O3 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (S,E)-3-(4-((3-cyano-2-hydroxybenzylidene)amino)phenyl)piperidine-1-carboxylate

Niraparib Impurity 51

CAT No: CL-NPB-57 CAS No: NA Mol Wt: 324.4 Mol F: C19H24N4O Inv Status: Custom Synthesis

Chemical Name: (S)-2-Amino-3-(((4-(piperidin-3-yl)phenyl)amino)methyl)benzamide

Niraparib Impurity 52

CAT No: CL-NPB-58 CAS No: NA Mol Wt: 336.4 Mol F: C19H20N4O2 Inv Status: Custom Synthesis

Chemical Name: 3-(4-(7-Carbamoyl-2H-indazol-2-yl)phenyl)piperidine 1-oxide

Niraparib Impurity 53

CAT No: CL-NPB-59 CAS No: 1038916-08-3 Mol Wt: 421.5 Mol F: C24H27N3O4 Inv Status: Custom Synthesis

Chemical Name: (S)-2-(4-(1-(Tert-butoxycarbonyl)piperidin-3-yl)phenyl)-2H-indazole-7-carboxylic acid

Niraparib Impurity 54

CAT No: CL-NPB-60 CAS No: NA Mol Wt: 318.4 Mol F: C19H18N4O Inv Status: Custom Synthesis

Chemical Name: 2-(4-(1,4,5,6-Tetrahydropyridin-3-yl)phenyl)-2H-benzo[d]imidazole-4-carboxamide

Niraparib Impurity 55

CAT No: CL-NPB-61 CAS No: 883901-97-1 Mol Wt: 276.4 Mol F: C16H24N2O2 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl 3-(3-aminophenyl)piperidine-1-carboxylate

Niraparib Impurity 56

CAT No: CL-NPB-62 CAS No: 908334-25-8 Mol Wt: 276.4 Mol F: C16H24N2O2 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (R)-3-(2-aminophenyl)piperidine-1-carboxylate

Niraparib Impurity 57

CAT No: CL-NPB-63 CAS No: 170011-57-1 Mol Wt: 276.4 Mol F: C16H24N2O2 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl 4-(4-aminophenyl)piperidine-1-carboxylate

Niraparib Impurity 58

CAT No: CL-NPB-64 CAS No: 908334-26-9 Mol Wt: 276.4 Mol F: C16H24N2O2 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl 2-(4-aminophenyl)piperidine-1-carboxylate

Niraparib Impurity 59

CAT No: CL-NPB-65 CAS No: 1312106-32-3 Mol Wt: 467.5 Mol F: C25H29N3O6 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (S)-3-(4-((3-(methoxycarbonyl)-2-nitrobenzylidene)amino)phenyl)piperidine-1-carboxylate

Niraparib Impurity 60

CAT No: CL-NPB-66 CAS No: 1196713-67-3 Mol Wt: 435.5 Mol F: C25H29N3O4 Inv Status: Custom Synthesis

Chemical Name: Methyl (S)-2-(4-(1-(tert-butoxycarbonyl)piperidin-3-yl)phenyl)-2H-indazole-7-carboxylate

Niraparib Impurity 61

CAT No: CL-NPB-67 CAS No: NA Mol Wt: 420.5 Mol F: C24H28N4O3 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (R)-3-(4-(7-carbamoyl-2H-indazol-2-yl)phenyl)piperidine-1-carboxylate

Niraparib Impurity 62

CAT No: CL-NPB-68 CAS No: 93247-79-1 Mol Wt: 250.3 Mol F: C12H14N2O4 Inv Status: Custom Synthesis

Chemical Name: Methyl 3-(2-(dimethylamino)vinyl)-2-nitrobenzoate

Niraparib Impurity 63

CAT No: CL-NPB-69 CAS No: 887589-62-0 Mol Wt: 276.4 Mol F: C16H24N2O2 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (4-(piperidin-3-yl)phenyl)carbamate

Niraparib Impurity 64

CAT No: CL-NPB-70 CAS No: 22223-49-0 Mol Wt: 165.2 Mol F: C9H11NO2 Inv Status: Custom Synthesis

Chemical Name: Methyl 2-amino-3-methylbenzoate

Niraparib Impurity 65

CAT No: CL-NPB-71 CAS No: 2244064-26-2 Mol Wt: 340.3 Mol F: C16H22BrNO2 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (R)-3-(4-bromophenyl)piperidine-1-carboxylate

Niraparib Impurity 66

CAT No: CL-NPB-72 CAS No: 2180154-00-9 Mol Wt: 259.1 Mol F: C11H15BrO2 Inv Status: Custom Synthesis

Chemical Name: (S)-2-(4-Bromophenyl)pentane-1,5-diol

Niraparib Impurity 67

CAT No: CL-NPB-73 CAS No: 2180154-01-0 Mol Wt: 415.3 Mol F: C13H19BrO6S2 Inv Status: Custom Synthesis

Chemical Name: (S)-2-(4-Bromophenyl)pentane-1,5-diyl dimethanesulfonate

Niraparib Impurity 68

CAT No: CL-NPB-74 CAS No: NA Mol Wt: 336.2 Mol F: C12H18BrNO3S Inv Status: Custom Synthesis

Chemical Name: (S)-5-Amino-4-(4-bromophenyl)pentyl methanesulfonate

Niraparib Impurity 69

CAT No: CL-NPB-75 CAS No: NA Mol Wt: 322.2 Mol F: C11H16BrNO3S Inv Status: Custom Synthesis

Chemical Name: (S)-4-Amino-2-(4-bromophenyl)butyl methanesulfonate

Niraparib Impurity 70

CAT No: CL-NPB-76 CAS No: NA Mol Wt: 337.2 Mol F: C12H17BrO4S Inv Status: Custom Synthesis

Chemical Name: (S)-4-(4-Bromophenyl)-5-hydroxypentyl methanesulfonate

Niraparib Impurity 71

CAT No: CL-NPB-77 CAS No: NA Mol Wt: 337.2 Mol F: C12H17BrO4S Inv Status: Custom Synthesis

Chemical Name: (S)-2-(4-Bromophenyl)-5-hydroxypentyl methanesulfonate

Niraparib Impurity 72

CAT No: CL-NPB-78 CAS No: 1336754-69-8 Mol Wt: 240.1 Mol F: C11H14BrN Inv Status: Custom Synthesis

Chemical Name: (R)-3-(4-Bromophenyl)piperidine

Niraparib Impurity 73

CAT No: CL-NPB-79 CAS No: NA Mol Wt: 367.4 Mol F: C20H21N3O4 Inv Status: Custom Synthesis

Chemical Name: Methyl (S,E)-2-nitro-3-(((4-(piperidin-3-yl)phenyl)imino)methyl)benzoate

Niraparib Impurity 74

CAT No: CL-NPB-80 CAS No: NA Mol Wt: 353.4 Mol F: C19H19N3O4 Inv Status: Custom Synthesis

Chemical Name: (S,E)-2-nitro-3-(((4-(piperidin-3-yl)phenyl)imino)methyl)benzoic acid

Niraparib Impurity 75

CAT No: CL-NPB-81 CAS No: NA Mol Wt: 453.5 Mol F: C24H27N3O6 Inv Status: Custom Synthesis

Chemical Name: (S,E)-3-(((4-(1-(tert-butoxycarbonyl)piperidin-3-yl)phenyl)imino)methyl)-2-nitrobenzoic acid

Niraparib Impurity 76

CAT No: CL-NPB-82 CAS No: 2244220-34-4 Mol Wt: 335.4 Mol F: C20H21N3O2 Inv Status: Custom Synthesis

Chemical Name: Methyl (S)-2-(4-(piperidin-3-yl)phenyl)-2H-indazole-7-carboxylate

Niraparib Impurity 77

CAT No: CL-NPB-83 CAS No: NA Mol Wt: 320.4 Mol F: C19H20N4O Inv Status: Custom Synthesis

Chemical Name: (S)-1-(4-(Piperidin-3-yl)phenyl)-1H-indazole-7-carboxamide

Niraparib D4

CAT No: CL-NPB-84 CAS No: NA Mol Wt: 324.4 Mol F: C19H16D4N4O Inv Status: Custom Synthesis

Chemical Name: (S)-2-(4-(Piperidin-3-yl-2,2,6,6-d4)phenyl)-2H-indazole-7-carboxamide

Niraparib D5

CAT No: CL-NPB-85 CAS No: NA Mol Wt: 325.4 Mol F: C19H15D5N4O Inv Status: Custom Synthesis

Chemical Name: 2-(4-((3S)-Piperidin-3-yl-2,2,5,6,6-d5)phenyl)-2H-indazole-7-carboxamide

Niraparib Metabolite M1 D4

CAT No: CL-NPB-86 CAS No: NA Mol Wt: 325.4 Mol F: C19H15D4N3O2 Inv Status: Custom Synthesis

Chemical Name: (S)-2-(4-(piperidin-3-yl)phenyl-2,3,5,6-d4)-2H-indazole-7-carboxylic acid

Type:Impurity Reference Standard

API NAME:Niraparib

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