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Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Pibrentasvir and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Pibrentasvir impurities, metabolites, nitrosamine derivatives (N-NO compounds), and stable isotope-labeled products. These reference standards play a critical role in pharmaceutical R&D, supporting activities such as product formulation, ANDA and DMF submissions, quality assurance, analytical method development, and stability assessments.
All Pibrentasvir-related substances undergo comprehensive characterization and are delivered with complete Certificates of Analysis and supporting analytical documentation to ensure regulatory adherence. Upon request, we can offer EP/USP traceable standards. Our products are routinely re-evaluated to maintain consistent quality and performance.

Pibrentasvir
CAT No: CL-PBSR-01 CAS No: 1353900-92-1 Mol Wt: 1113.2 Mol F: C57H65F5N10O8 Inv Status: Custom Synthesis
Chemical Name: Dimethyl ((2S,2'S,3R,3'R)-((2S,2'S)-(((2R,5R)-1-(3,5-difluoro-4-(4-(4-fluorophenyl)piperidin-1-yl)phenyl)pyrrolidine-2,5-diyl)bis(5-fluoro-1H-benzo[d]imidazole-6,2-diyl))bis(pyrrolidine-2,1-diyl))bis(3-methoxy-1-oxobutane-1,2-diyl))dicarbamate
Pibrentasvir Impurity 1
CAT No: CL-PBSR-02 CAS No: 2412432-58-5 Mol Wt: 1113.2 Mol F: C57H65F5N10O8 Inv Status: Custom Synthesis
Chemical Name: Methyl ((2S,3R)-1-((S)-2-(6-((2R,5R)-1-(3,5-difluoro-4-(4-(4-fluorophenyl)piperidin-1-yl)phenyl)-5-(5-fluoro-2-((R)-1-(N-(methoxycarbonyl)-O-methyl-L-threonyl)pyrrolidin-2-yl)-1H-benzo[d]imidazol-6-yl)pyrrolidin-2-yl)-5-fluoro-1H-benzo[d]imidazol-2-yl)pyrrolidin-1-yl)-3-methoxy-1-oxobutan-2-yl)carbamate
Pibrentasvir Impurity 2
CAT No: CL-PBSR-03 CAS No: NA Mol Wt: 1113.2 Mol F: C57H65F5N10O8 Inv Status: Custom Synthesis
Chemical Name: Dimethyl (((2S,2'S)-(((2R,5R)-1-(3,5-difluoro-4-(4-(4-fluorophenyl)piperidin-1-yl)phenyl)pyrrolidine-2,5-diyl)bis(5-fluoro-1H-benzo[d]imidazole-6,2-diyl))bis(pyrrolidine-2,1-diyl))bis(3-methoxy-1-oxobutane-1,2-diyl))dicarbamate
Pibrentasvir Impurity 3
CAT No: CL-PBSR-04 CAS No: 1332356-31-6 Mol Wt: 306.3 Mol F: C17H17F3N2 Inv Status: Custom Synthesis
Chemical Name: 3,5-Difluoro-4-(4-(4-fluorophenyl)piperidin-1-yl)aniline
Pibrentasvir Impurity 4
CAT No: CL-PBSR-05 CAS No: 1292836-21-5 Mol Wt: 593.3 Mol F: C18H16Cl2F2N2O10S2 Inv Status: Custom Synthesis
Chemical Name: (1S,4S)-1,4-bis(4-chloro-2-fluoro-5-nitrophenyl)butane-1,4-diyl dimethanesulfonate
Pibrentasvir Impurity 5
CAT No: CL-PBSR-06 CAS No: NA Mol Wt: 1113.2 Mol F: C57H65F5N10O8 Inv Status: Custom Synthesis
Chemical Name: Dimethyl ((2R,2'R,3S,3'S)-((2S,2'S)-(((2R,5R)-1-(3,5-difluoro-4-(4-(4-fluorophenyl)piperidin-1-yl)phenyl)pyrrolidine-2,5-diyl)bis(5-fluoro-1H-benzo[d]imidazole-6,2-diyl))bis(pyrrolidine-2,1-diyl))bis(3-methoxy-1-oxobutane-1,2-diyl))dicarbamate
Pibrentasvir Impurity 6
CAT No: CL-PBSR-07 CAS No: NA Mol Wt: 766.9 Mol F: C43H43F5N8 Inv Status: Custom Synthesis
Chemical Name: 5,5'-((2R,5R)-1-(3,5-difluoro-4-(4-(4-fluorophenyl)piperidin-1-yl)phenyl)pyrrolidine-2,5-diyl)bis(6-fluoro-2-((S)-pyrrolidin-2-yl)-1H-benzo[d]imidazole)
Pibrentasvir Impurity 7
CAT No: CL-PBSR-08 CAS No: NA Mol Wt: 1095.2 Mol F: C57H66F4N10O8 Inv Status: Custom Synthesis
Chemical Name: Dimethyl ((2S,2'S,3R,3'R)-((2S,2'S)-(((2R,5R)-1-(3,5-difluoro-4-(4-phenylpiperidin-1-yl)phenyl)pyrrolidine-2,5-diyl)bis(6-fluoro-1H-benzo[d]imidazole-5,2-diyl))bis(pyrrolidine-2,1-diyl))bis(3-methoxy-1-oxobutane-1,2-diyl))dicarbamate
Pibrentasvir Impurity 8
CAT No: CL-PBSR-09 CAS No: NA Mol Wt: 967.1 Mol F: C53H59F5N8O4 Inv Status: Custom Synthesis
Chemical Name: Di-tert-butyl 2,2'-(((2R,5R)-1-(3,5-difluoro-4-(4-(4-fluorophenyl)piperidin-1-yl)phenyl)pyrrolidine-2,5-diyl)bis(6-fluoro-1H-benzo[d]imidazole-5,2-diyl))(2S,2'S)-bis(pyrrolidine-1-carboxylate)
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