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Pharmaceutical Reference Standards / Impurity Standards

Bosentan Monohydrate

Bosentan Monohydrate

CAT. No.B450000
CAS. No.157212-55-0
Mol. F.C27H29N5O6S.HCl
Mol. W.569.61 g/mol
Stock Status:Instock

O-Deshydroxyethyl Bosentan

O-Deshydroxyethyl Bosentan

CAT. No.B450001
CAS. No.174227-14-6
Mol. F.C25H25N5O5S
Mol. W.507.56 g/mol
Stock Status:Instock

Bosentan USP Related Compound A

Bosentan USP Related Compound A

CAT. No.B450002
CAS. No.150727-06-3
Mol. F.C25H24ClN5O4S
Mol. W.526.01 g/mol
Stock Status:Instock

Bosentan Chlorosulfonamide Cesium Salt

Bosentan Chlorosulfonamide Cesium Salt

CAT. No.B450002A
CAS. No.NA
Mol. F.C25H23ClCsN5O4S
Mol. W.657.90 g/mol
Stock Status:Instock

Bosentan USP Related Compound D

Bosentan USP Related Compound D

CAT. No.B450003
CAS. No.150728-13-5
Mol. F.C15H10Cl2N4O2
Mol. W.349.17 g/mol
Stock Status:Instock

Bosentan Dimer Impurity

Bosentan Dimer Impurity

CAT. No.B450004
CAS. No.1097263-60-9
Mol. F.C52H52N10O10S2
Mol. W.1041.16 g/mol
Stock Status:Instock

Bosentan USP Related Compound E

Bosentan USP Related Compound E

CAT. No.B450006
CAS. No.6292-59-7
Mol. F.C10H15NO2S
Mol. W.213.30 g/mol
Stock Status:Instock

Bosentan Monohydrate Ethyl Ester Impurity

Bosentan Monohydrate Ethyl Ester Impurity

CAT. No.B450008
CAS. No.NA
Mol. F.NA
Mol. W.NA
Stock Status:Custom Synthesis

N,N'-[5-(2-methoxyphenoxy)[2,2'-bipyrimidine]-4,6-diyl]bis[4-(1,1-dimethylethyl)benzenesulfonamide]

N,N'-[5-(2-methoxyphenoxy)[2,2'-bipyrimidine]-4,6-diyl]bis[4-(1,1-dimethylethyl)benzenesulfonamide]

CAT. No.B450010
CAS. No.1218951-81-5
Mol. F.C35H38N6O6S2
Mol. W.702.84 g/mol
Stock Status:Custom Synthesis

O-Desmethyl Bosentan

O-Desmethyl Bosentan

CAT. No.B450011
CAS. No.253688-61-8
Mol. F.CHNOS
Mol. W.537.59 g/mol
Stock Status:Instock

Bosentan Impurity 9

Bosentan Impurity 9

CAT. No.B450012
CAS. No.1177447-87-8
Mol. F. C21H23ClN4O4
Mol. W.430.88 g/mol
Stock Status:Custom Synthesis

Bosentan hydroxyethoxy Ethyl

Bosentan hydroxyethoxy Ethyl

CAT. No.B450013
CAS. No.NA
Mol. F.C29H33N5O7S
Mol. W.595.67 g/mol
Stock Status:Custom Synthesis

4-(tert-butyl)-N-((tertbutyl)phenyl)sulfonyl)benzenesulfonamide

4-(tert-butyl)-N-((tertbutyl)phenyl)sulfonyl)benzenesulfonamide

CAT. No.B450014
CAS. No.1355251-10-3
Mol. F.C20H27NO4S2
Mol. W.409.56 g/mol
Stock Status:Custom Synthesis

2-Methyl-2-phenylpropanoic acid

2-Methyl-2-phenylpropanoic acid

CAT. No.B450015
CAS. No.826-55-1
Mol. F.C10H12O2
Mol. W.164.20 g/mol
Stock Status:Instock

Bosentan Impurity 5

Bosentan Impurity 5

CAT. No.B450016
CAS. No.193013-72-8
Mol. F.C10H15NO2S
Mol. W.213.30 g/mol
Stock Status:Custom Synthesis

Bosentan Impurity 3

Bosentan Impurity 3

CAT. No.B450017
CAS. No.1257099-43-6
Mol. F.C29H33N5O7S
Mol. W.595.67 g/mol
Stock Status:Custom Synthesis

Bosentan Impurity 4

Bosentan Impurity 4

CAT. No.B450018
CAS. No.1257099-44-7
Mol. F.C27H27N5O5S
Mol. W.533.6 g/mol
Stock Status:Custom Synthesis

4-tert-butylbenzenesulfonic acid

4-tert-butylbenzenesulfonic acid

CAT. No.B450019
CAS. No.1133-17-1
Mol. F.C10H14O3S
Mol. W.214.28 g/mol
Stock Status:Custom Synthesis

4-(tert-butyl)-N-(5-(2-methoxyphenoxy)-6-oxo-2-(pyrimidin-2-yl)-1,6-dihydropyrimidin-4-yl)benzenesulfonamide

4-(tert-butyl)-N-(5-(2-methoxyphenoxy)-6-oxo-2-(pyrimidin-2-yl)-1,6-dihydropyrimidin-4-yl)benzenesulfonamide

CAT. No.B450023
CAS. No.174227-14-6
Mol. F.C25H25N5O5S
Mol. W.507.56 g/mol
Stock Status:Instock

Bosentan Related Compound 4

Bosentan Related Compound 4

CAT. No.B450025
CAS. No.1160515-53-6
Mol. F.C29H31N5O7S
Mol. W.593.66 g/mol
Stock Status:Custom Synthesis

4-tert-butyl-N-[6-ethoxy-5-(2-methoxyphenoxy)-[2,2`-bipyrimidin]-4-yl]benzene-1-sulfonamide

4-tert-butyl-N-[6-ethoxy-5-(2-methoxyphenoxy)-[2,2`-bipyrimidin]-4-yl]benzene-1-sulfonamide

CAT. No.B450026
CAS. No.157415-45-7
Mol. F.C27H29N5O5S
Mol. W.535.61 g/mol
Stock Status:Custom Synthesis

Isotope Labelled Compounds

Bosentan-D4

Bosentan-D4

CAT. No.B450005
CAS. No.1065472-77-6
Mol. F.C27H25D4N5O6S
Mol. W.555.64 g/mol
Stock Status:Instock

Bosentan 13C6

Bosentan 13C6

CAT. No.B450024
CAS. No.NA
Mol. F.C21C613H29N5O6S
Mol. W.557.57 g/mol
Stock Status:Custom Synthesis