Impurity Reference Standard - Products

Cabazitaxel

CAT No: CL-CBE-01 CAS No: 183133-96-2 1430721-70-2 (hydrate) Mol Wt: 835.9 Mol F: C45H57NO14 Inv Status: Custom Synthesis

Chemical Name: (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-Acetoxy-9-(((2R,3S)-3-((tert-butoxycarbonyl)amino)-2-hydroxy-3-phenylpropanoyl)oxy)-11-hydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl benzoate

Cabazitaxel Impurity A

CAT No: CL-CBE-02 CAS No: 183133-94-0 Mol Wt: 572.7 Mol F: C31H40O10 Inv Status: Custom Synthesis

Chemical Name: [2aR-(2a?,4?,4a?,6?,9?,11?,12?,12a?,12b?)]-12b-(Acetyloxy)-12-(benzoyloxy)-1,2a,3,4,4a,6,9,10,11,12,12a,12b-dodecahydro-9,11-dihydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-7,11-methano-5H-cyclodeca[3,4]benz[1,2-b]oxet-5-one ; CBT-1A

Cabazitaxel Impurity B

CAT No: CL-CBE-03 CAS No: 183133-95-1 Mol Wt: 954.1 Mol F: C53H63NO15 Inv Status: Custom Synthesis

Chemical Name: 4?-Acetoxy-2?-benzoyloxy-5?,20-epoxy-1?-hydroxy-7?,10?-dimethoxy-9-oxo-11-taxene-13?-yl (2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylate

Cabazitaxel Impurity 1

CAT No: CL-CBE-04 CAS No: 1584118-06-8 Mol Wt: 586.7 Mol F: C32H42O10 Inv Status: Custom Synthesis

Chemical Name: (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-Acetoxy-11-hydroxy-4,6,9-trimethoxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl benzoate

Cabazitaxel Impurity 2

CAT No: CL-CBE-05 CAS No: 143527-70-2 Mol Wt: 321.4 Mol F: C17H23NO5 Inv Status: Custom Synthesis

Chemical Name: (4S,5R)-3-(Tert-butoxycarbonyl)-2,2-dimethyl-4-phenyloxazolidine-5-carboxylic acid

Cabazitaxel (2S,3R)-Isomer

CAT No: CL-CBE-06 CAS No: 1714967-27-7 Mol Wt: 835.9 Mol F: C45H57NO14 Inv Status: Custom Synthesis

Chemical Name: (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-acetoxy-9-(((2S,3R)-3-((tert-butoxycarbonyl)amino)-2-hydroxy-3-phenylpropanoyl)oxy)-11-hydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl benzoate

Cabazitaxel Dectroc Oxazolidine Impurity

CAT No: CL-CBE-07 CAS No: 159262-93-8 Mol Wt: 847.9 Mol F: C46H57NO14 Inv Status: Custom Synthesis

Chemical Name: 5-((2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-Acetoxy-12-(benzoyloxy)-4,6,11-trihydroxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-9-yl) 3-(tert-butyl) (4S,5R)-2,2-dimethyl-4-phenyloxazolidine-3,5-dicarboxylate

Cabazitaxel Des-T-BOC Impurity

CAT No: CL-CBE-08 CAS No: 1638286-64-2 Mol Wt: 735.8 Mol F: C40H49NO12 Inv Status: Custom Synthesis

Chemical Name: (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-Acetoxy-9-(((2R,3S)-3-amino-2-hydroxy-3-phenylpropanoyl)oxy)-11-hydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl benzoate;

Cabazitaxel Oxazolidine Impurity

CAT No: CL-CBE-09 CAS No: 1373171-12-0 Mol Wt: 876 Mol F: C48H61NO14 Inv Status: Custom Synthesis

Chemical Name: 5-((2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-Acetoxy-12-(benzoyloxy)-11-hydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-9-yl) 3-(tert-butyl) (4S,5R)-2,2-dimethyl-4-phenyloxazolidine-3,5-dicarboxylate

Cabazitaxel Impurity (DiTroc)

CAT No: CL-CBE-10 CAS No: 95603-44-4 Mol Wt: 895.4 Mol F: C35H38Cl6O14 Inv Status: Custom Synthesis

Chemical Name: (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-Acetoxy-9,11-dihydroxy-4a,8,13,13-tetramethyl-5-oxo-4,6-bis(((2,2,2-trichloroethoxy)carbonyl)oxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl benzoate

Cabazitaxel Impurity (DeTroc-Oxazolidine)

CAT No: CL-CBE-11 CAS No: NA Mol Wt: 848 Mol F: C46H57NO14 Inv Status: Custom Synthesis

Chemical Name: 5-((2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-Acetoxy-12-(benzoyloxy)-4,6,11-trihydroxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-9-yl) 3-(tert-butyl) (4R,5S)-2,2-dimethyl-4-phenyloxazolidine-3,5-dicarboxylate

Cabazitaxel Impurity (Oxazolidine Protected)

CAT No: CL-CBE-12 CAS No: NA Mol Wt: 876.1 Mol F: C48H61NO14 Inv Status: Custom Synthesis

Chemical Name: 5-((2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-Acetoxy-12-(benzoyloxy)-11-hydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-9-yl) 3-(tert-butyl) 2,2-dimethyl-4-phenyloxazolidine-3,5-dicarboxylate

Cabazitaxel Impurity 3

CAT No: CL-CBE-14 CAS No: NA Mol Wt: 950.2 Mol F: C51H71NO14Si Inv Status: Custom Synthesis

Chemical Name: (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-Acetoxy-9-(((2R,3S)-3-((tert-butoxycarbonyl)amino)-3-phenyl-2-((triethylsilyl)oxy)propanoyl)oxy)-11-hydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl benzoate

Cabazitaxel Impurity 4

CAT No: CL-CBE-15 CAS No: NA Mol Wt: 813.9 Mol F: C43H59NO14 Inv Status: Custom Synthesis

Chemical Name: (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-Acetoxy-9-(((2R,3S)-3-((tert-butoxycarbonyl)amino)-2-hydroxy-3-phenylpropanoyl)oxy)-11-hydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl (E)-2-methylbut-2-enoate

Cabazitaxel Impurity 5

CAT No: CL-CBE-16 CAS No: NA Mol Wt: 838 Mol F: C45H59NO14 Inv Status: Custom Synthesis

Chemical Name: (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-Acetoxy-9-(((2R,3S)-3-((tert-butoxycarbonyl)amino)-2-hydroxy-3-phenylpropanoyl)oxy)-11-hydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-5-oxotetradecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl benzoate

Cabazitaxel Impurity 8

CAT No: CL-CBE-19 CAS No: NA Mol Wt: 920.1 Mol F: C50H65NO15 Inv Status: Custom Synthesis

Chemical Name: (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-Acetoxy-9-(((2R,3S)-3-(N-(tert-butoxycarbonyl)pivalamido)-2-hydroxy-3-phenylpropanoyl)oxy)-11-hydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl benzoate

Cabazitaxel Impurity 9

CAT No: CL-CBE-20 CAS No: NA Mol Wt: 908.1 Mol F: C49H65NO15 Inv Status: Custom Synthesis

Chemical Name: (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-Acetoxy-9-(((2S,3R)-3-((tert-butoxycarbonyl)amino)-2-((2-methoxypropan-2-yl)oxy)-3-phenylpropanoyl)oxy)-11-hydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl benzoate

Cabazitaxel Impurity 10

CAT No: CL-CBE-21 CAS No: 160535-69-3 Mol Wt: 235.3 Mol F: C13H17NO3 Inv Status: Custom Synthesis

Chemical Name: (3R,4S)-3-((2-Methoxypropan-2-yl)oxy)-4-phenylazetidin-2-one

Cabazitaxel Impurity 11

CAT No: CL-CBE-22 CAS No: 1429289-67-7 Mol Wt: 908.1 Mol F: C49H65NO15 Inv Status: Custom Synthesis

Chemical Name: (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-Acetoxy-9-(((2R,3S)-3-((tert-butoxycarbonyl)amino)-2-((2-methoxypropan-2-yl)oxy)-3-phenylpropanoyl)oxy)-11-hydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl benzoate

Cabazitaxel Impurity 12

CAT No: CL-CBE-23 CAS No: 146924-92-7 Mol Wt: 163.2 Mol F: C9H9NO2 Inv Status: Custom Synthesis

Chemical Name: (3S,4S)-3-Hydroxy-4-phenylazetidin-2-one

Cabazitaxel Impurity 13

CAT No: CL-CBE-24 CAS No: NA Mol Wt: 335.4 Mol F: C18H25NO5 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (3S,4S)-3-((2-methoxypropan-2-yl)oxy)-2-oxo-4-phenylazetidine-1-carboxylate

Cabazitaxel Impurity 14

CAT No: CL-CBE-25 CAS No: NA Mol Wt: 600.7 Mol F: C33H44O10 Inv Status: Custom Synthesis

Chemical Name: (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-Acetoxy-4,6,9,11-tetramethoxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl benzoate

Cabazitaxel Impurity 16

CAT No: CL-CBE-27 CAS No: NA Mol Wt: 574.7 Mol F: C31H42O10 Inv Status: Custom Synthesis

Chemical Name: (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-Acetoxy-9,11-dihydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-5-oxotetradecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl benzoate

Cabazitaxel Impurity 17

CAT No: CL-CBE-28 CAS No: NA Mol Wt: 550.7 Mol F: C29H42O10 Inv Status: Custom Synthesis

Chemical Name: (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-Acetoxy-9,11-dihydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl (Z)-pent-3-enoate

Cabazitaxel Impurity 18

CAT No: CL-CBE-29 CAS No: 2180123-01-5 Mol Wt: 403.4 Mol F: C24H21NO5 Inv Status: Custom Synthesis

Chemical Name: (4R,5S)-3-Benzoyl-2-(4-methoxyphenyl)-4-phenyloxazolidine-5-carboxylic acid

Cabazitaxel Impurity 19

CAT No: CL-CBE-30 CAS No: 949459-76-1 Mol Wt: 403.4 Mol F: C24H21NO5 Inv Status: Custom Synthesis

Chemical Name: (4S,5S)-3-Benzoyl-2-(4-methoxyphenyl)-4-phenyloxazolidine-5-carboxylic acid

Cabazitaxel Impurity 20

CAT No: CL-CBE-31 CAS No: 153652-67-6 Mol Wt: 399.4 Mol F: C22H25NO6 Inv Status: Custom Synthesis

Chemical Name: (2S,4S,5S)-3-(Tert-butoxycarbonyl)-2-(4-methoxyphenyl)-4-phenyloxazolidine-5-carboxylic acid

Cabazitaxel Impurity 21

CAT No: CL-CBE-32 CAS No: 1262147-55-6 Mol Wt: 403.4 Mol F: C24H21NO5 Inv Status: Custom Synthesis

Chemical Name: (4R,5R)-3-Benzoyl-2-(4-methoxyphenyl)-4-phenyloxazolidine-5-carboxylic acid

Cabazitaxel Impurity 22

CAT No: CL-CBE-33 CAS No: NA Mol Wt: 399.4 Mol F: C22H25NO6 Inv Status: Custom Synthesis

Chemical Name: (4R,5R)-3-(Tert-butoxycarbonyl)-2-(4-methoxyphenyl)-4-phenyloxazolidine-5-carboxylic acid

Cabazitaxel Impurity 24

CAT No: CL-CBE-35 CAS No: 143615-00-3 257947-33-4 (HCl salt) Mol Wt: 209.3 Mol F: C11H15NO3 Inv Status: Custom Synthesis

Chemical Name: Ethyl (2R,3S)-3-amino-2-hydroxy-3-phenylpropanoate

Cabazitaxel Impurity 26

CAT No: CL-CBE-36 CAS No: NA Mol Wt: 558.6 Mol F: C30H38O10 Inv Status: Custom Synthesis

Chemical Name: (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-Acetoxy-4,9,11-trihydroxy-6-methoxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl benzoate

Cabazitaxel Impurity 27

CAT No: CL-CBE-37 CAS No: 1444818-14-7 Mol Wt: 558.6 Mol F: C30H38O10 Inv Status: Custom Synthesis

Chemical Name: (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-Acetoxy-6,9,11-trihydroxy-4-methoxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl benzoate

Cabazitaxel Impurity 28

CAT No: CL-CBE-38 CAS No: NA Mol Wt: 586.7 Mol F: C32H42O10 Inv Status: Custom Synthesis

Chemical Name: (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-9,11-Dihydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-5-oxo-12b-(propionyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl benzoate

Cabazitaxel Impurity 29

CAT No: CL-CBE-39 CAS No: NA Mol Wt: 1085.2 Mol F: C58H72N2O18 Inv Status: Custom Synthesis

Chemical Name: (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-Acetoxy-12-(benzoyloxy)-11-hydroxy-6-methoxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxete-4,9-diyl (2R,2'R,3S,3'S)-bis(3-((tert-butoxycarbonyl)amino)-2-hydroxy-3-phenylpropanoate)

Cabazitaxel Impurity 30

CAT No: CL-CBE-40 CAS No: NA Mol Wt: 1085.2 Mol F: C58H72N2O18 Inv Status: Custom Synthesis

Chemical Name: (2aR,4R,4aS,6R,9S,11S,12S,12aR,12bS)-12b-Acetoxy-12-(benzoyloxy)-11-hydroxy-6-methoxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxete-4,9-diyl (2R,2'R,3S,3'S)-bis(3-((tert-butoxycarbonyl)amino)-2-hydroxy-3-phenylpropanoate)

Cabazitaxel Impurity 31

CAT No: CL-CBE-41 CAS No: 174674-15-8 Mol Wt: 864 Mol F: C46H57NO15 Inv Status: Custom Synthesis

Chemical Name: (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12-(Benzoyloxy)-9-(((2R,3S)-3-((tert-butoxycarbonyl)amino)-2-hydroxy-3-phenylpropanoyl)oxy)-11-hydroxy-4-methoxy-4a,8,13,13-tetramethyl-5-oxo-3,4,4a,5,6,9,10,11,12,12a-decahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxete-6,12b(2aH)-diyl diacetate

Cabazitaxel EP Impurity C

CAT No: CL-CBE-42 CAS No: NA Mol Wt: 850 Mol F: C46H59NO14 Inv Status: Custom Synthesis

Chemical Name: 4-(Acetyloxy)-13?-[[(2R,3S)-3-[(tert-butoxycarbonyl)amino]-2-hydroxy-3-phenylpropanoyl]oxy]-1,7?,10?-trimethoxy-9-oxo-5?,20-epoxytax-11-en-2?-yl benzoate

Cabazitaxel EP Impurity D

CAT No: CL-CBE-43 CAS No: NA Mol Wt: 1085.2 Mol F: C58H72N2O18 Inv Status: Custom Synthesis

Chemical Name: 4-(Acetyloxy)-7?,13?-bis[[(2R,3S)-3-[(tert-butoxycarbonyl)amino]-2-hydroxy-3-phenylpropanoyl]oxy]-1-hydroxy-10?-methoxy-9-oxo-5?,20-epoxytax-11-en-2?-yl benzoate

Anisic Aldehyde

CAT No: CL-CBE-44 CAS No: 123-11-5 Mol Wt: 136.2 Mol F: C8H8O2 Inv Status: Custom Synthesis

Chemical Name: 4-Methoxybenzaldehyde

Cabazitaxel EP Impurity G

CAT No: CL-CBE-45 CAS No: NA Mol Wt: 1085.2 Mol F: C58H72N2O18 Inv Status: Custom Synthesis

Chemical Name: 4-(Acetyloxy)-10?,13?-bis[[(2R,3S)-3-[(tert-butoxycarbonyl)amino]-2-hydroxy-3-phenylpropanoyl]oxy]-1-hydroxy-7?-methoxy-9-oxo-5?,20-epoxytax-11-en-2?-yl benzoate

Cabazitaxel Impurity 33

CAT No: CL-CBE-46 CAS No: NA Mol Wt: 821.9 Mol F: C44H55NO14 Inv Status: Custom Synthesis

Chemical Name: (2aR,4S,4aS,6R,11S,12S,12aR,12bS)-12b-acetoxy-9-(((2R,3S)-3-((tert-butoxycarbonyl)amino)-2-hydroxy-3-phenylpropanoyl)oxy)-4,11-dihydroxy-6-methoxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl benzoate

Cabazitaxel Impurity 37

CAT No: CL-CBE-47 CAS No: 131023-37-5 Mol Wt: 311.6 Mol F: C15H9Cl3O Inv Status: Custom Synthesis

Chemical Name: 2-Chloro-1-(2,7-dichloro-9H-fluoren-4-yl)ethan-1-one

Cabazitaxel Impurity 38

CAT No: CL-CBE-48 CAS No: 1396601-24-3 Mol Wt: 686.9 Mol F: C37H54O10Si Inv Status: Custom Synthesis

Chemical Name: (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-Acetoxy-11-hydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-5-oxo-9-((triethylsilyl)oxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl benzoate

Dimethyl Sulfate

CAT No: CL-CBE-49 CAS No: 77-78-1 Mol Wt: 126.1 Mol F: C2H6O4S Inv Status: Custom Synthesis

Chemical Name: Dimethyl sulfate

N,N'-Dicyclohexylcarbodiimide

CAT No: CL-CBE-50 CAS No: 538-75-0 Mol Wt: 206.3 Mol F: C13H22N2 Inv Status: Custom Synthesis

Chemical Name: Dicyclohexylmethanediimine

Cabazitaxel EP Impurity E

CAT No: CL-CBE-51 CAS No: NA Mol Wt: 1085.2 Mol F: C58H72N2O18 Inv Status: Custom Synthesis

Chemical Name: 4-(Acetyloxy)-7?,13?-bis[[(2R,3S)-3-[(tert-butoxycarbonyl)amino]-2-hydroxy-3-phenylpropanoyl]oxy]-1-hydroxy-10?-methoxy-9-oxo-5?,20-epoxytax-11-en-2?-yl benzoate

Cabazitaxel EP Impurity F

CAT No: CL-CBE-52 CAS No: NA Mol Wt: 954.1 Mol F: C53H63NO15 Inv Status: Custom Synthesis

Chemical Name: 5-[4-(Acetyloxy)-2?-(benzoyloxy)-1-hydroxy-7?,10?-dimethoxy-9-oxo-5?,20-epoxytax-11-en-13?-yl] 3-tert-butyl(2R,4S,5S)-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-3,5-dicarboxylate

Cabazitaxel EP Impurity H

CAT No: CL-CBE-53 CAS No: NA Mol Wt: 954.1 Mol F: C53H63NO15 Inv Status: Custom Synthesis

Chemical Name: 5-[4-(Acetyloxy)-2?-(benzoyloxy)-1-hydroxy-7?,10?-dimethoxy-9-oxo-5?,20-epoxytax-11-en-13?-yl] 3-tert-butyl (2S,4S,5R)-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-3,5-dicarboxylate

Cabazitaxel Impurity 35

CAT No: CL-CBE-54 CAS No: 155396-69-3 Mol Wt: 399.4 Mol F: C22H25NO6 Inv Status: Custom Synthesis

Chemical Name: (2R,4S,5R)-3-(Tert-butoxycarbonyl)-2-(4-methoxyphenyl)-4-phenyloxazolidine-5-carboxylic acid

Cabazitaxel Impurity 39

CAT No: CL-CBE-55 CAS No: 17433-12-4 Mol Wt: 412.7 Mol F: C26H44N4 Inv Status: Custom Synthesis

Chemical Name: (2E,4E)-N2,N4,1,3-Tetracyclohexyl-1,3-diazetidine-2,4-diimine

Cabazitaxel Impurity 41

CAT No: CL-CBE-56 CAS No: NA Mol Wt: 835.9 Mol F: C45H57NO14 Inv Status: Custom Synthesis

Chemical Name: (9S,12S,12aR,12bS)-12b-Acetoxy-9-(((2R)-3-((tert-butoxycarbonyl)amino)-2-hydroxy-3-phenylpropanoyl)oxy)-11-hydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl benzoate

Cabazitaxel Impurity 42

CAT No: CL-CBE-57 CAS No: NA Mol Wt: 572.7 Mol F: C31H40O10 Inv Status: Custom Synthesis

Chemical Name: (9S,12bS)-12b-Acetoxy-9,11-dihydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl benzoate

Cabazitaxel Impurity 44

CAT No: CL-CBE-58 CAS No: 870133-54-3 Mol Wt: 399.4 Mol F: C22H25NO6 Inv Status: Custom Synthesis

Chemical Name: (2S,4R,5S)-3-(Tert-butoxycarbonyl)-2-(4-methoxyphenyl)-4-phenyloxazolidine-5-carboxylic acid

Cabazitaxel Impurity 45

CAT No: CL-CBE-59 CAS No: 157580-39-7 Mol Wt: 399.4 Mol F: C22H25NO6 Inv Status: Custom Synthesis

Chemical Name: (2S,4S,5R)-3-(Tert-butoxycarbonyl)-2-(4-methoxyphenyl)-4-phenyloxazolidine-5-carboxylic acid

N-De-Boc-N-Formyl Cabazitaxel

CAT No: CL-CBE-60 CAS No: NA Mol Wt: 763.8 Mol F: C41H49NO13 Inv Status: Custom Synthesis

Chemical Name: (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-Acetoxy-9-(((2R,3S)-3-Formamido-2-hydroxy-3-phenylpropanoyl)oxy)-11-hydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl Benzoate

Tigloyl Cabazitaxel

CAT No: CL-CBE-61 CAS No: NA Mol Wt: 936.1 Mol F: C50H65NO16 Inv Status: Custom Synthesis

Chemical Name: [(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4-acetyloxy-15-[(2R,3S)-3-[bis[(2-methylpropan-2-yl)oxycarbonyl]amino]-2-hydroxy-3-phenylpropanoyl]oxy-1-hydroxy-9,12-dimethoxy-10,14,17,17-tetramethyl-11-oxo-6-oxatetracyclo[11.3.1.03,10.04,7]heptadec-13-en-2-yl] benzoate

Type:Impurity Reference Standard

API NAME:Cabazitaxel

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