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Pharmaceutical Reference Standards / Impurity Standards

Bortezomib

Bortezomib

CAT. No.B260000
CAS. No.179324-69-7
Mol. F.C19H25BN4O4
Mol. W.384.24 g/mol
Stock Status:Instock

Bortezomib Form II

Bortezomib Form II

CAT. No.B260000A
CAS. No.179324-69-7
Mol. F.C19H25BN4O4
Mol. W.384.24 g/mol
Stock Status:Instock

Bortezomib R,R-Isomer Impurity

Bortezomib R,R-Isomer Impurity

CAT. No.B260001
CAS. No.1132709-15-9
Mol. F.C19H25BN4O4
Mol. W.384.24 g/mol
Stock Status:Instock

Bortezomib Impurity G

Bortezomib Impurity G

CAT. No.B260002
CAS. No.289472-81-7
Mol. F.C19H24N4O3
Mol. W.356.42 g/mol
Stock Status:Limited Stock

(S,R)-Bortezomib Hydroxyisopentyl Amide Analog

(S,R)-Bortezomib Hydroxyisopentyl Amide Analog

CAT. No.B260003
CAS. No.289472-78-2
Mol. F.C19H24N4O3
Mol. W.356.42 g/mol
Stock Status:Instock

Bortezomib Impurity 36

Bortezomib Impurity 36

CAT. No.B260004
CAS. No.114457-94-2
Mol. F.C14H13N3O3
Mol. W.271.27 g/mol
Stock Status:Instock

Bortezomib Impurity A

Bortezomib Impurity A

CAT. No.B260005
CAS. No.289472-80-6
Mol. F.C14H14N4O2
Mol. W.270.29 g/mol
Stock Status:Instock

Bortezomib Pinanediol Ester

Bortezomib Pinanediol Ester

CAT. No.B260006
CAS. No.205393-22-2
Mol. F.C29H39BN4O4
Mol. W.518.46 g/mol
Stock Status:Instock

Bortezomib Hydroxy Impurity (1R,2S)-Isomer

Bortezomib Hydroxy Impurity (1R,2S)-Isomer

CAT. No.B260007
CAS. No.NA
Mol. F.C19H24N4O3
Mol. W.356.43 g/mol
Stock Status:Custom Synthesis

Bortezomib Impurity (S,S-Isomer)

Bortezomib Impurity (S,S-Isomer)

CAT. No.B260008
CAS. No.1132709-14-8
Mol. F.C19H25BN4O4
Mol. W.384.24 g/mol
Stock Status:Instock

Bortezomib (1S,2R)-Isomer

Bortezomib (1S,2R)-Isomer

CAT. No.B260009
CAS. No.1132709-16-0
Mol. F.C19H25BN4O4
Mol. W.384.24 g/mol
Stock Status:Instock

Bortezomib Impurity C

Bortezomib Impurity C

CAT. No.B260011
CAS. No.NA
Mol. F.C19H22N4O4
Mol. W.370.41 g/mol
Stock Status:Custom Synthesis

Bortezomib Impurity F

Bortezomib Impurity F

CAT. No.B260012
CAS. No.73058-37-4
Mol. F.C15H15N3O3
Mol. W.285.31 g/mol
Stock Status:Instock

Bortezomib Impurity H

Bortezomib Impurity H

CAT. No.B260013
CAS. No.1446194-56-4
Mol. F.C19H24N4O2
Mol. W.340.42 g/mol
Stock Status:Instock

Bortezomib Impurity 42

Bortezomib Impurity 42

CAT. No.B260014
CAS. No.477254-69-6
Mol. F.C17H29BF3NO4
Mol. W.379.22 g/mol
Stock Status:Custom Synthesis

(S)-3-Cyclopropyl-3-(3-((2-(5,5-dimethylcyclopent-1-en-1-yl)-2`-fluoro-5`-methoxy-[1,1`-biphenyl]-4-yl)methoxy)phenyl)propanoic acid

(S)-3-Cyclopropyl-3-(3-((2-(5,5-dimethylcyclopent-1-en-1-yl)-2`-fluoro-5`-methoxy-[1,1`-biphenyl]-4-yl)methoxy)phenyl)propanoic acid

CAT. No.B260016
CAS. No.1142214-62-7
Mol. F.C33H35FO4
Mol. W.514.64 g/mol
Stock Status:Custom Synthesis

Bortezomib Amino R Isomer (TFA salt)

Bortezomib Amino R Isomer (TFA salt)

CAT. No.B260017
CAS. No.179324-87-9
Mol. F.C17H29BF3NO4
Mol. W.379.22 g/mol
Stock Status:Custom Synthesis

Bortezomib Impurity 2 (Mixture of (1S,2R)-Isomer and (1R,2R)-Isomer)

Bortezomib Impurity 2 (Mixture of (1S,2R)-Isomer and (1R,2R)-Isomer)

CAT. No.B260018
CAS. No.2747958-64-9
Mol. F.C19H24N4O3
Mol. W.356.43 g/mol
Stock Status:Custom Synthesis

Bortezomib Impurity 33

Bortezomib Impurity 33

CAT. No.B260019
CAS. No.948294-96-0
Mol. F.C14H23BN2O3
Mol. W.278.16 g/mol
Stock Status:Custom Synthesis

Bortezomib N-formyl analog

Bortezomib N-formyl analog

CAT. No.B260020
CAS. No.NA
Mol. F.C15H14N4O3
Mol. W.298.30 g/mol
Stock Status:Custom Synthesis

Hydroxybortezomib

Hydroxybortezomib

CAT. No.B260021
CAS. No.NA
Mol. F.C19H25BN4O5
Mol. W.400.24 g/mol
Stock Status:Custom Synthesis

Bortezomib R-hydroperoxide

Bortezomib R-hydroperoxide

CAT. No.B260022
CAS. No.886979-78-8
Mol. F.C19H24N4O4
Mol. W.372.43 g/mol
Stock Status:Instock

Bortezomib S-hydroperoxide

Bortezomib S-hydroperoxide

CAT. No.B260023
CAS. No.886979-81-3
Mol. F.C19H24N4O4
Mol. W.372.43 g/mol
Stock Status:Limited Stock

Bortezomib D-phenylalanyl analog

Bortezomib D-phenylalanyl analog

CAT. No.B260024
CAS. No.NA
Mol. F.C28H34BN5O5
Mol. W.531.41 g/mol
Stock Status:Custom Synthesis

(S)-Hydroxy Des(boric Acid) Bortezomib

(S)-Hydroxy Des(boric Acid) Bortezomib

CAT. No.B260025
CAS. No.289472-81-7
Mol. F.C19H24N4O3
Mol. W.356.42 g/mol
Stock Status:Limited Stock

N-(pyrazine-2-yl-carbonyl)-L-phenylalanine

N-(pyrazine-2-yl-carbonyl)-L-phenylalanine

CAT. No.B260026
CAS. No.NA
Mol. F.C14H13N3O3
Mol. W.271.27 g/mol
Stock Status:Instock

Bortezomib Impurity 7

Bortezomib Impurity 7

CAT. No.B260027
CAS. No.NA
Mol. F.C10H16BN3O3
Mol. W.237.07 g/mol
Stock Status:Custom Synthesis

(S)-N-(1-Formamido-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide

(S)-N-(1-Formamido-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide

CAT. No.B260028
CAS. No.NA
Mol. F.C15H14N4O3
Mol. W.298.30 g/mol
Stock Status:Custom Synthesis

Bortezomib USP Imp F

Bortezomib USP Imp F

CAT. No.B260029
CAS. No.2379402-85-2
Mol. F.C19H22N4O4
Mol. W.370.40 g/mol
Stock Status:Custom Synthesis

Bortezomib Impurity 9

Bortezomib Impurity 9

CAT. No.B260030
CAS. No.1194235-41-0
Mol. F.C28H34BN5O5
Mol. W.531.41 g/mol
Stock Status:Custom Synthesis

Bortezomib Impurity 28

Bortezomib Impurity 28

CAT. No.B260031
CAS. No.18942-49-9
Mol. F.C14H19NO4
Mol. W.265.30 g/mol
Stock Status:Custom Synthesis

Bortezobib Diastereomers S,S

Bortezobib Diastereomers S,S

CAT. No.B260032
CAS. No.NA
Mol. F.NA
Mol. W.NA
Stock Status:Custom Synthesis

Bortezomib Impurity 2 (RR-Isomer)

Bortezomib Impurity 2 (RR-Isomer)

CAT. No.B260033
CAS. No.NA
Mol. F.C19H24N4O3
Mol. W.356.43 g/mol
Stock Status:Custom Synthesis

Bortezomib Diphenylalanyl Analog

Bortezomib Diphenylalanyl Analog

CAT. No.B260034
CAS. No.NA
Mol. F.C28H34BN5O5
Mol. W.531.42 g/mol
Stock Status:Custom Synthesis

Desisobutyl-n-butyl Bortezomib

Desisobutyl-n-butyl Bortezomib

CAT. No.B260035
CAS. No.1104011-35-9
Mol. F.C19H25BN4O4
Mol. W.384.24 g/mol
Stock Status:Instock

Bortezomib Impurity (R,R-Isomer)

Bortezomib Impurity (R,R-Isomer)

CAT. No.B260036
CAS. No.1132709-15-9
Mol. F.C19H25BN4O4
Mol. W.384.24 g/mol
Stock Status:Custom Synthesis

3-phenyl-2-(pyrazine-2-carboxamido)propanoic acid

3-phenyl-2-(pyrazine-2-carboxamido)propanoic acid

CAT. No.B260037
CAS. No.114457-94-2
Mol. F.C14H13N3O3
Mol. W.271.27 g/mol
Stock Status:Custom Synthesis

Bortezomib Impurity 6

Bortezomib Impurity 6

CAT. No.B260038
CAS. No.NA
Mol. F.C19H25BN4O5
Mol. W.400.24 g/mol
Stock Status:Custom Synthesis

Bortezomib Desphenylalanyl Analog

Bortezomib Desphenylalanyl Analog

CAT. No.B260039
CAS. No.NA
Mol. F.C10H16BN3O3
Mol. W.237.06 g/mol
Stock Status:Custom Synthesis

(S,R) Bortezomib

(S,R) Bortezomib

CAT. No.B260040
CAS. No.NA
Mol. F.C19H25BN4O4
Mol. W.384.24 g/mol
Stock Status:Custom Synthesis

Bortezomib Impurity 69

Bortezomib Impurity 69

CAT. No.B260041
CAS. No.NA
Mol. F.C29H39BN4O4
Mol. W.518.46 g/mol
Stock Status:Custom Synthesis

Bortezomib Hydroxyketone Analog

Bortezomib Hydroxyketone Analog

CAT. No.B260042
CAS. No.2379402-85-2
Mol. F.C19H22N4O4
Mol. W.370.40 g/mol
Stock Status:Custom Synthesis

N-(2-Pyrazinylcarbonyl)-D-phenylalanine

N-(2-Pyrazinylcarbonyl)-D-phenylalanine

CAT. No.B260043
CAS. No.1608986-16-8
Mol. F.C14H13N3O3
Mol. W.271.27 g/mol
Stock Status:Custom Synthesis

Bortezomib Impurity 74

Bortezomib Impurity 74

CAT. No.B260049
CAS. No.NA
Mol. F.C22H30N4O4
Mol. W.414.50 g/mol
Stock Status:Custom Synthesis

Bortezomib Impurity 73

Bortezomib Impurity 73

CAT. No.B260050
CAS. No.NA
Mol. F.C22H30N4O4
Mol. W.414.50 g/mol
Stock Status:Custom Synthesis

Bortezomib Impurity 4

Bortezomib Impurity 4

CAT. No.B260052
CAS. No.862894-96-0
Mol. F.C19H22N4O3
Mol. W.354.41 g/mol
Stock Status:Custom Synthesis

Bortezomib Impurity 10

Bortezomib Impurity 10

CAT. No.B260053
CAS. No.390800-88-1
Mol. F.C57H69B3N12O9
Mol. W.1098.67 g/mol
Stock Status:Custom Synthesis

Bortezomib Impurity 11

Bortezomib Impurity 11

CAT. No.B260054
CAS. No.862895-00-9
Mol. F.C19H22N4O2
Mol. W.338.41 g/mol
Stock Status:Custom Synthesis

Bortezomib Impurity 41

Bortezomib Impurity 41

CAT. No.B260055
CAS. No.514820-48-5
Mol. F.C21H44BNO2Si2
Mol. W.409.56 g/mol
Stock Status:Custom Synthesis

Bortezomib Impurity 53

Bortezomib Impurity 53

CAT. No.B260056
CAS. No.NA
Mol. F.C14H13N3O3
Mol. W.271.27 g/mol
Stock Status:Instock

N-((2S)-1-((1-hydroxy-3-methylbutyl)amino)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide

N-((2S)-1-((1-hydroxy-3-methylbutyl)amino)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide

CAT. No.B260057
CAS. No.NA
Mol. F.C19H24N4O3
Mol. W.356.42 g/mol
Stock Status:Custom Synthesis

Bortezomib Intermediate(S,R)

Bortezomib Intermediate(S,R)

CAT. No.B260058
CAS. No.84110-34-9
Mol. F.C14H25BO2
Mol. W.236.16 g/mol
Stock Status:Custom Synthesis

N-((2S)-1-((1-hydroxy-3-methylbutyl)amino)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide

N-((2S)-1-((1-hydroxy-3-methylbutyl)amino)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide

CAT. No.B260059
CAS. No.NA
Mol. F.C19H25BN4O4
Mol. W.384.24 g/mol
Stock Status:Custom Synthesis

Bortezomib R,R and S,S Diastereomer impurities

Bortezomib R,R and S,S Diastereomer impurities

CAT. No.B260060
CAS. No.NA
Mol. F.C38H50B2N8O8
Mol. W.768.47 g/mol
Stock Status:Limited Stock

Bortezomib Impurity 3

Bortezomib Impurity 3

CAT. No.B260061
CAS. No.2748159-75-1
Mol. F.C14H14N4O2
Mol. W.270.29 g/mol
Stock Status:Custom Synthesis

Isoamylamide Impurity

Isoamylamide Impurity

CAT. No.B260062
CAS. No.NA
Mol. F.C19H24N4O2
Mol. W.340.42 g/mol
Stock Status:Custom Synthesis

pyrazine-2-carboxylic acid [1-(1-hydroxy-3-methyl-butylcarbamoyl)-2-phenyl-ethyl]amide

pyrazine-2-carboxylic acid [1-(1-hydroxy-3-methyl-butylcarbamoyl)-2-phenyl-ethyl]amide

CAT. No.B260063
CAS. No.NA
Mol. F.C19H24N4O3
Mol. W.356.42 g/mol
Stock Status:Custom Synthesis

Bortezomib Trimetric Form

Bortezomib Trimetric Form

CAT. No.B260065
CAS. No.NA
Mol. F.C57H69B3N12O9
Mol. W.1098.67 g/mol
Stock Status:Custom Synthesis

Bortezomib Impurity 31

Bortezomib Impurity 31

CAT. No.B260066
CAS. No.84110-40-7
Mol. F.C4H11BO2
Mol. W.101.94 g/mol
Stock Status:Custom Synthesis

Bortezomib D-Mannitol Ester

Bortezomib D-Mannitol Ester

CAT. No.B260067
CAS. No.444576-08-3
Mol. F.C25H35BN4O8
Mol. W.530.38 g/mol
Stock Status:Custom Synthesis

N-((S)-1-(((R)-3-methyl-1-((3aS,4R,6R,7aR)-3a,5,5-trimethylhexahydro-4,6-methanobenzo[d][1,3,2]dioxaborol-2-yl)butyl)amino)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide

N-((S)-1-(((R)-3-methyl-1-((3aS,4R,6R,7aR)-3a,5,5-trimethylhexahydro-4,6-methanobenzo[d][1,3,2]dioxaborol-2-yl)butyl)amino)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide

CAT. No.B260068
CAS. No.NA
Mol. F.C29H39BN4O4
Mol. W.518.46 g/mol
Stock Status:Custom Synthesis

Bortezomib impurity U

Bortezomib impurity U

CAT. No.B260069
CAS. No.NA
Mol. F.C19H22N4O3
Mol. W.354.40 g/mol
Stock Status:Custom Synthesis

Bortezomib Impurity 81

Bortezomib Impurity 81

CAT. No.B260070
CAS. No.NA
Mol. F.C25H36BN5O4
Mol. W.481.40 g/mol
Stock Status:Custom Synthesis

Bortezomib Impurity B

Bortezomib Impurity B

CAT. No.B260071
CAS. No.NA
Mol. F.C28H37BN4O5
Mol. W.520.43 g/mol
Stock Status:Custom Synthesis

Isotope Labelled Compounds

Bortezomib-D8

Bortezomib-D8

CAT. No.B260015
CAS. No.NA
Mol. F.C19H17D8BN4O4
Mol. W.392.29 g/mol
Stock Status:Custom Synthesis

Bortezomib-D5

Bortezomib-D5

CAT. No.B260064
CAS. No.1133706-15-6
Mol. F.C19H20D5BN4O4
Mol. W.389.27 g/mol
Stock Status:Instock