Impurity Reference Standard - Products

Daclatasvir RSSR Isomer

CAT No: CL-DCS-01 CAS No: 1009107-27-0 Mol Wt: 738.9 Mol F: C40H50N8O6 Inv Status: Custom Synthesis

Chemical Name: Dimethyl ((2R,2'R)-((2S,2'S)-([1,1'-biphenyl]-4,4'-diylbis(1H-imidazole-4,2-diyl))bis(pyrrolidine-2,1-diyl))bis(3-methyl-1-oxobutane-1,2-diyl))dicarbamate

Daclatasvir SRRS Isomer

CAT No: CL-DCS-02 CAS No: 1009117-26-3 Mol Wt: 738.9 Mol F: C40H50N8O6 Inv Status: Custom Synthesis

Chemical Name: Dimethyl ((2S,2'S)-((2R,2'R)-([1,1'-biphenyl]-4,4'-diylbis(1H-imidazole-4,2-diyl))bis(pyrrolidine-2,1-diyl))bis(3-methyl-1-oxobutane-1,2-diyl))dicarbamate

Daclatasvir RRRR Isomer Enantiomer

CAT No: CL-DCS-03 CAS No: 1417333-58-4 Mol Wt: 738.9 Mol F: C40H50N8O6 Inv Status: Custom Synthesis

Chemical Name: Dimethyl (2R,2'R)-1,1'-((2R,2'R)-2,2'-(5,5'-(biphenyl-4,4'-diyl)bis(1H-imidazole-5,2-diyl))bis(pyrrolidine-2,1-diyl))bis(3-methyl-1-oxobutane-2,1-diyl)dicarbamate

Daclatasvir SS Isomer

CAT No: CL-DCS-04 CAS No: 1228552-27-9 Mol Wt: 449.3 Mol F: C20H25BrN4O3 Inv Status: Custom Synthesis

Chemical Name: Methyl ((S)-1-((S)-2-(5-(4-bromophenyl)-1H-imidazol-2-yl)pyrrolidin-1-yl)-3-methyl-1-oxobutan-2-yl)carbamate

Daclatasvir RR Isomer

CAT No: CL-DCS-05 CAS No: NA Mol Wt: 449.3 Mol F: C20H25BrN4O3 Inv Status: Custom Synthesis

Chemical Name: Methyl ((R)-1-((R)-2-(5-(4-bromophenyl)-1H-imidazol-2-yl)pyrrolidin-1-yl)-3-methyl-1-oxobutan-2-yl)carbamate

Daclatasvir RSSS Isomer

CAT No: CL-DCS-06 CAS No: 1417333-83-5 Mol Wt: 738.9 Mol F: C40H50N8O6 Inv Status: Custom Synthesis

Chemical Name: Dimethyl (2R,2'S)-1,1'-((2S,2'S)-2,2'-(5,5'-(biphenyl-4,4'-diyl)bis(1H-imidazole-5,2-diyl))bis(pyrrolidine-2,1-diyl))bis(3-methyl-1-oxobutane-2,1-diyl)dicarbamate

Daclatasvir RRSR Isomer

CAT No: CL-DCS-07 CAS No: 1417333-65-3 Mol Wt: 738.9 Mol F: C40H50N8O6 Inv Status: Custom Synthesis

Chemical Name: Methyl ((R)-1-((R)-2-(5-(4'-(2-((S)-1-((methoxycarbonyl)-D-valyl)pyrrolidin-2-yl)-1H-imidazol-5-yl)-[1,1'-biphenyl]-4-yl)-1H-imidazol-2-yl)pyrrolidin-1-yl)-3-methyl-1-oxobutan-2-yl)carbamate

Daclatasvir RRRS Isomer

CAT No: CL-DCS-08 CAS No: NA Mol Wt: 738.9 Mol F: C40H50N8O6 Inv Status: Custom Synthesis

Chemical Name: dimethyl (2R,2'S)-1,1'-((2R,2'R)-2,2'-(5,5'-(biphenyl-4,4'-diyl)bis(1H-imidazole-5,2-diyl))bis(pyrrolidine-2,1-diyl))bis(3-methyl-1-oxobutane-2,1-diyl)dicarbamate

Daclatasvir RRSS Isomer Enantiomer

CAT No: CL-DCS-09 CAS No: 1009107-27-0 Mol Wt: 738.9:36.5 Mol F: C40H50N8O6 : 2HCl Inv Status: Custom Synthesis

Chemical Name: Dimethyl ((2R,2'R)-((2S,2'S)-([1,1'-biphenyl]-4,4'-diylbis(1H-imidazole-4,2-diyl))bis(pyrrolidine-2,1-diyl))bis(3-methyl-1-oxobutane-1,2-diyl))dicarbamate

Daclatasvir RS Isomer

CAT No: CL-DCS-10 CAS No: NA Mol Wt: 449.3 Mol F: C20H25BrN4O3 Inv Status: Custom Synthesis

Chemical Name: Methyl ((R)-1-((S)-2-(5-(4-bromophenyl)-1H-imidazol-2-yl)pyrrolidin-1-yl)-3-methyl-1-oxobutan-2-yl)carbamate

Daclatasvir SR Isomer

CAT No: CL-DCS-11 CAS No: NA Mol Wt: 449.3 Mol F: C20H25BrN4O3 Inv Status: Custom Synthesis

Chemical Name: Methyl ((S)-1-((R)-2-(5-(4-bromophenyl)-1H-imidazol-2-yl)pyrrolidin-1-yl)-3-methyl-1-oxobutan-2-yl)carbamate

Daclatasvir SRRR Isomer

CAT No: CL-DCS-12 CAS No: NA Mol Wt: 738.9 Mol F: C40H50N8O6 Inv Status: Custom Synthesis

Chemical Name: Dimethyl (2S,2'R)-1,1'-((2R,2'R)-2,2'-(5,5'-(biphenyl-4,4'-diyl)bis(1H-imidazole-5,2-diyl))bis(pyrrolidine-2,1-diyl))bis(3-methyl-1-oxobutane-2,1-diyl)dicarbamate

Daclatasvir SSRS Isomer

CAT No: CL-DCS-13 CAS No: 1009117-94-5 Mol Wt: 738.9 Mol F: C40H50N8O6 Inv Status: Custom Synthesis

Chemical Name: Methyl ((S)-1-((S)-2-(5-(4'-(2-((R)-1-((methoxycarbonyl)-L-valyl)pyrrolidin-2-yl)-1H-imidazol-5-yl)-[1,1'-biphenyl]-4-yl)-1H-imidazol-2-yl)pyrrolidin-1-yl)-3-methyl-1-oxobutan-2-yl)carbamate

Daclatasvir SSSR Isomer

CAT No: CL-DCS-14 CAS No: NA Mol Wt: 738.9 Mol F: C40H50N8O6 Inv Status: Custom Synthesis

Chemical Name: dimethyl (2S,2'R)-1,1'-((2R,2'R)-2,2'-(5,5'-(biphenyl-4,4'-diyl)bis(1H-imidazole-5,2-diyl))bis(pyrrolidine-2,1-diyl))bis(3-methyl-1-oxobutane-2,1-diyl)dicarbamate

Daclatasvir SSRR- Isomer

CAT No: CL-DCS-15 CAS No: 1009117-94-5 Mol Wt: 738.9 Mol F: C40H50N8O6 Inv Status: Custom Synthesis

Chemical Name: Methyl ((S)-1-((S)-2-(5-(4'-(2-((R)-1-((methoxycarbonyl)-D-valyl)pyrrolidin-2-yl)-1H-imidazol-5-yl)-[1,1'-biphenyl]-4-yl)-1H-imidazol-2-yl)pyrrolidin-1-yl)-3-methyl-1-oxobutan-2-yl)carbamate dihydrochloride

Daclatasvir Impurity Q

CAT No: CL-DCS-16 CAS No: NA Mol Wt: 174.2 Mol F: C7H14N2O3 Inv Status: Custom Synthesis

Chemical Name: (R)-2-(Imino(methoxy)methylamino)-3-methylbutanoic a

Daclatasvir Impurity A

CAT No: CL-DCS-17 CAS No: 1007884-60-7 Mol Wt: 581.7 Mol F: C33H39N7O3 Inv Status: Custom Synthesis

Chemical Name: N-[(1S)-2-Methyl-1-[[(2S)-2-[5-[4?[2-[(2S)-2-pyrrolidinyl]-1H-imidazol-5-yl][1,1?biphenyl]-4-yl]-1H-imidazol-2-yl]-1-pyrrolidinyl]carbonyl]propyl]carbamic Acid Methyl Ester

Daclatasvir Impurity B

CAT No: CL-DCS-18 CAS No: NA Mol Wt: 623.8 Mol F: C35H41N7O4 Inv Status: In Stock

Chemical Name: Methyl ((S)-1-((S)-2-(5-(4'-(2-((S)-1-acetylpyrrolidin-2-yl)-1H-imidazol-5-yl)-[1,1'-biphenyl]-4-yl)-1H-imidazol-2-yl)pyrrolidin-1-yl)-3-methyl-1-oxobutan-2-yl)carbamate

Daclatasvir Impurity C

CAT No: CL-DCS-19 CAS No: 1256385-55-3 Mol Wt: 512.6 Mol F: C29H32N6O3 Inv Status: Custom Synthesis

Chemical Name: Carbamic acid, N-?[(1S)?-?1-?[[(2S)?-?2-?[5-?[4'-?(1H-?imidazol-?5-?yl)?[1,?1'-?biphenyl]?-?4-?yl]?-?1H-?imidazol-?2-?yl]?-?1-?pyrrolidinyl]?carbonyl]?-?2-?methylpropyl]?-?, methyl ester

Daclatasvir Dihydrochloride

CAT No: CL-DCS-20 CAS No: 1009119-65-6 Mol Wt: 738.9 : 2(36.5) Mol F: C40H50N8O6 : 2(HCl) Inv Status: In Stock

Chemical Name: N,N'-[[1,1'-Biphenyl]-4,4'-diylbis[1H-imidazole-5,2-diyl-(2S)-2,1-pyrrolidinediyl[(1S)-1-(1-methylethyl)-2-oxo-2,1-ethanediyl]]]bis-carbamic Acid C,C'-Dimethyl Ester dihydrochloride

Daclatasvir RSRR Isomer

CAT No: CL-DCS-22 CAS No: 1417333-60-8 Mol Wt: 738.9 Mol F: C40H50N8O6 Inv Status: Custom Synthesis

Chemical Name: Dimethyl (2R,2'S)-1,1'-((2R,2'R)-2,2'-(5,5'-(biphenyl-4,4'-diyl)bis(1H-imidazole-5,2-diyl))bis(pyrrolidine-2,1-diyl))bis(3-methyl-1-oxobutane-2,1-diyl)dicarbamate

Daclatasvir RRSS Isomer (2HCl)

CAT No: CL-DCS-23 CAS No: NA Mol Wt: 738.9 : 2(36.5) Mol F: C40H50N8O6 : 2HCl Inv Status: Custom Synthesis

Chemical Name: Methyl ((S)-1-((S)-2-(5-(4'-(2-((R)-1-((methoxycarbonyl)-D-valyl)pyrrolidin-2-yl)-1H-imidazol-5-yl)-[1,1'-biphenyl]-4-yl)-1H-imidazol-2-yl)pyrrolidin-1-yl)-3-methyl-1-oxobutan-2-yl)carbamate dihydrochloride

Daclatasvir Impurity 1

CAT No: CL-DCS-24 CAS No: 24860-53-5 Mol Wt: 307.2 Mol F: C16H12Cl2O2 Inv Status: Custom Synthesis

Chemical Name: 1,1'-([1,1'-Biphenyl]-4,4'-diyl)bis(2-chloroethan-1-one)

Daclatasvir Impurity 2

CAT No: CL-DCS-25 CAS No: 15761-39-4 Mol Wt: 215.2 Mol F: C10H17NO4 Inv Status: In Stock

Chemical Name: (Tert-butoxycarbonyl)-L-proline

Daclatasvir Impurity 3

CAT No: CL-DCS-26 CAS No: 1009119-82-7 Mol Wt: 664.8 Mol F: C36H44N2O10 Inv Status: In Stock

Chemical Name: O'2,O2-([1,1'-Biphenyl]-4,4'-diylbis(2-oxoethane-2,1-diyl)) 1,1'-di-tert-butyl (2S,2'S)-bis(pyrrolidine-1,2-dicarboxylate)

Daclatasvir Impurity 4

CAT No: CL-DCS-27 CAS No: 1007882-23-6 Mol Wt: 624.8 Mol F: C36H44N6O4 Inv Status: In Stock

Chemical Name: Di-tert-butyl 2,2'-([1,1'-biphenyl]-4,4'-diylbis(1H-imidazole-5,2-diyl))(2S,2'S)-bis(pyrrolidine-1-carboxylate)

Daclatasvir Impurity 5 Tetrahydrochloride

CAT No: CL-DCS-28 CAS No: 1009119-83-8 Mol Wt: 424.6 : 4(36.5) Mol F: C26H28N6 : 4HCl Inv Status: In Stock

Chemical Name: 4,4'-Bis(2-((S)-pyrrolidin-2-yl)-1H-imidazol-5-yl)-1,1'-biphenyl tetrahydrochloride

Daclatasvir Impurity 6

CAT No: CL-DCS-29 CAS No: 74761-42-5 Mol Wt: 175.2 Mol F: C7H13NO4 Inv Status: In Stock

Chemical Name: (Methoxycarbonyl)-L-valine

Daclatasvir Impurity 7

CAT No: CL-DCS-30 CAS No: 4072-67-7 Mol Wt: 396.1 Mol F: C16H12Br2O2 Inv Status: In Stock

Chemical Name: 1,1'-([1,1'-Biphenyl]-4,4'-diyl)bis(2-bromoethan-1-one)

Daclatasvir Impurity 8 (4HCl)

CAT No: CL-DCS-31 CAS No: NA Mol Wt: 424.6 : 4(36.5) Mol F: C26H28N6 : 4HCl Inv Status: Custom Synthesis

Chemical Name: 4-(2-((R)-Pyrrolidin-2-yl)-1H-imidazol-5-yl)-4'-(2-((S)-pyrrolidin-2-yl)-1H-imidazol-5-yl)-1,1'-biphenyl tetrahydrochloride

Daclatasvir Impurity 9

CAT No: CL-DCS-32 CAS No: 1447744-93-5 Mol Wt: 508.6 Mol F: C30H32N6O2 Inv Status: Custom Synthesis

Chemical Name: 1,1'-(2S,2'S)-2,2'-(5,5'-([1,1'-Biphenyl]-4,4'-diyl)bis[1H-imidazole-5,2-diyl))bis(pyrrolidine-2,1-diyl))diethanone

Daclatasvir Impurity G

CAT No: CL-DCS-33 CAS No: NA Mol Wt: 739.9 Mol F: C40H49N7O7 Inv Status: Custom Synthesis

Chemical Name: Methyl ((S)-1-((S)-2-(4-(4'-(2-((S)-1-((methoxycarbonyl)-L-valyl)pyrrolidin-2-yl)-1H-imidazol-4-yl)-[1,1'-biphenyl]-4-yl)oxazol-2-yl)pyrrolidin-1-yl)-3-methyl-1-oxobutan-2-yl)carbamate

Daclatasvir Impurity F

CAT No: CL-DCS-34 CAS No: 2077207-88-4 Mol Wt: 752.9 Mol F: C41H52N8O6 Inv Status: Custom Synthesis

Chemical Name: Methyl ((2S,3S)-1-((S)-2-(4-(4'-(2-((S)-1-((methoxycarbonyl)-L-valyl)pyrrolidin-2-yl)-1H-imidazol-4-yl)-[1,1'-biphenyl]-4-yl)-1H-imidazol-2-yl)pyrrolidin-1-yl)-3-methyl-1-oxopentan-2-yl)carbamate

Daclatasvir Impurity L

CAT No: CL-DCS-35 CAS No: 787-69-9 Mol Wt: 238.3 Mol F: C16H14O2 Inv Status: In Stock

Chemical Name: 1,1'-([1,1'-Biphenyl]-4,4'-diyl)bis(ethan-1-one)

Daclatasvir RRRR Isomer Enantiomer (2HCl)

CAT No: CL-DCS-36 CAS No: NA Mol Wt: 738.9 : 2(36.5) Mol F: C40H50N8O6 : 2HCl Inv Status: Custom Synthesis

Chemical Name: Dimethyl ((2R,2'R)-((2R,2'R)-([1,1'-biphenyl]-4,4'-diylbis(1H-imidazole-5,2-diyl))bis(pyrrolidine-2,1-diyl))bis(3-methyl-1-oxobutane-1,2-diyl))dicarbamate

Daclatasvir Impurity 11

CAT No: CL-DCS-37 CAS No: 135-73-9 Mol Wt: 275.1 Mol F: C14H11BrO Inv Status: Custom Synthesis

Chemical Name: 1-([1,1'-Biphenyl]-4-yl)-2-bromoethan-1-one

Daclatasvir-d6

CAT No: CL-DCS-38 CAS No: 1801709-41-0 Mol Wt: 744.9 Mol F: C40H44D6N8O6 Inv Status: Custom Synthesis

Chemical Name: N,N?-[[1,1?-Biphenyl]-4,4?-diylbis[1H-imidazole-5,2-diyl-(2S)-2,1-pyrrolidinediyl[(1S)-1-(1-methylethyl)-2-oxo-2,1-ethanediyl]]]bis-carbamic Acid C,C?-Dimethyl Ester-d6;

Daclatasvir

CAT No: CL-DCS-40 CAS No: 1009119-64-5 Mol Wt: 738.9 Mol F: C40H50N8O6 Inv Status: In Stock

Chemical Name: N,N'-[[1,1'-Biphenyl]-4,4'-diylbis[1H-imidazole-5,2-diyl-(2S)-2,1-pyrrolidinediyl[(1S)-1-(1-methylethyl)-2-oxo-2,1-ethanediyl]]]bis-carbamic Acid C,C'-Dimethyl Ester

Type:Impurity Reference Standard

API NAME:Daclatasvir

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