Impurity Reference Standard - Products

Velpatasvir

CAT No: CL-VPT-01 CAS No: 1377049-84-7 Mol Wt: 883.02 Mol F: C49H54N8O8 Inv Status: Custom Synthesis

Chemical Name: Methyl ((R)-2-((2S,4S)-2-(5-(2-((2S,5S)-1-((methoxycarbonyl)-L-valyl)-5-methylpyrrolidin-2-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)carbamate

Velpatasvir Diastereomer-1

CAT No: CL-VPT-02 CAS No: NA Mol Wt: 883.02 Mol F: C49H54N8O8 Inv Status: Custom Synthesis

Chemical Name: Methyl ((R)-2-((2R,4R)-2-(5-(2-((2S,5S)-1-((methoxycarbonyl)-L-valyl)-5-methylpyrrolidin-2-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)carbamate

Velpatasvir Diastereomer-2

CAT No: CL-VPT-03 CAS No: NA Mol Wt: 883.02 Mol F: C49H54N8O8 Inv Status: Custom Synthesis

Chemical Name: Methyl ((R)-2-((2S,4R)-2-(5-(2-((2S,5S)-1-((methoxycarbonyl)-L-valyl)-5-methylpyrrolidin-2-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)carbamate

Velpatasvir Diastereomer-3

CAT No: CL-VPT-04 CAS No: NA Mol Wt: 883.02 Mol F: C49H54N8O8 Inv Status: Custom Synthesis

Chemical Name: Methyl ((R)-2-((2S,4S)-2-(5-(2-((2S,5S)-1-((methoxycarbonyl)-L-valyl)-5-methylpyrrolidin-2-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)carbamate

Velpatasvir Diastereomer-4

CAT No: CL-VPT-05 CAS No: NA Mol Wt: 883.02 Mol F: C49H54N8O8 Inv Status: Custom Synthesis

Chemical Name: Methyl ((R)-2-((2S,4R)-2-(5-(2-((2S,5R)-1-((methoxycarbonyl)-L-valyl)-5-methylpyrrolidin-2-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)carbamate

Velpatasvir Diastereomer-5

CAT No: CL-VPT-06 CAS No: NA Mol Wt: 883.02 Mol F: C49H54N8O8 Inv Status: Custom Synthesis

Chemical Name: Methyl ((R)-2-((2R,4S)-2-(5-(2-((2S,5R)-1-((methoxycarbonyl)-L-valyl)-5-methylpyrrolidin-2-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)carbamate

Velpatasvir Diastereomer-6

CAT No: CL-VPT-07 CAS No: NA Mol Wt: 883.02 Mol F: C49H54N8O8 Inv Status: Custom Synthesis

Chemical Name: Methyl ((R)-2-((2S,4R)-2-(5-(2-((2R,5S)-1-((methoxycarbonyl)-L-valyl)-5-methylpyrrolidin-2-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)carbamate

Velpatasvir Diastereomer-7

CAT No: CL-VPT-08 CAS No: NA Mol Wt: 883.02 Mol F: C49H54N8O8 Inv Status: Custom Synthesis

Chemical Name: Methyl ((R)-2-((2S,4S)-2-(5-(2-((2R,5S)-1-((methoxycarbonyl)-L-valyl)-5-methylpyrrolidin-2-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)carbamate

Velpatasvir Diastereomer-8

CAT No: CL-VPT-09 CAS No: NA Mol Wt: 883.02 Mol F: C49H54N8O8 Inv Status: Custom Synthesis

Chemical Name: Methyl ((R)-2-((2S,4S)-2-(5-(2-((2R,5R)-1-((methoxycarbonyl)-L-valyl)-5-methylpyrrolidin-2-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)carbamate

Velpatasvir Diastereomer-9

CAT No: CL-VPT-10 CAS No: NA Mol Wt: 883.02 Mol F: C49H54N8O8 Inv Status: Custom Synthesis

Chemical Name: Methyl ((R)-2-((2S,4S)-2-(5-(2-((2R,5S)-1-((methoxycarbonyl)-L-valyl)-5-methylpyrrolidin-2-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)carbamate

Velpatasvir Diastereomer-10

CAT No: CL-VPT-11 CAS No: NA Mol Wt: 883.02 Mol F: C49H54N8O8 Inv Status: Custom Synthesis

Chemical Name: Methyl ((R)-2-((2R,4R)-2-(5-(2-((2S,5S)-1-((methoxycarbonyl)-L-valyl)-5-methylpyrrolidin-2-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)carbamate

Velpatasvir Diastereomer-11

CAT No: CL-VPT-12 CAS No: NA Mol Wt: 883.02 Mol F: C49H54N8O8 Inv Status: Custom Synthesis

Chemical Name: Methyl ((R)-2-((2S,4S)-2-(5-(2-((2R,5R)-1-((methoxycarbonyl)-L-valyl)-5-methylpyrrolidin-2-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)carbamate

Velpatasvir Diastereomer-12

CAT No: CL-VPT-13 CAS No: NA Mol Wt: 883.02 Mol F: C49H54N8O8 Inv Status: Custom Synthesis

Chemical Name: Methyl ((R)-2-((2R,4R)-2-(5-(2-((2R,5S)-1-((methoxycarbonyl)-L-valyl)-5-methylpyrrolidin-2-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)carbamate

Velpatasvir Diastereomer-13

CAT No: CL-VPT-14 CAS No: NA Mol Wt: 883.02 Mol F: C49H54N8O8 Inv Status: Custom Synthesis

Chemical Name: Methyl ((R)-2-((2R,4R)-2-(5-(2-((2R,5R)-1-((methoxycarbonyl)-L-valyl)-5-methylpyrrolidin-2-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)carbamate

Velpatasvir Diastereomer-14

CAT No: CL-VPT-15 CAS No: NA Mol Wt: 883.02 Mol F: C49H54N8O8 Inv Status: Custom Synthesis

Chemical Name: Methyl ((R)-2-((2S,4R)-2-(5-(2-((2R,5R)-1-((methoxycarbonyl)-L-valyl)-5-methylpyrrolidin-2-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)carbamate

Velpatasvir Diastereomer-15

CAT No: CL-VPT-16 CAS No: NA Mol Wt: 883.02 Mol F: C49H54N8O8 Inv Status: Custom Synthesis

Chemical Name: Methyl ((R)-2-((2S,4S)-2-(5-(2-((2R,5R)-1-((methoxycarbonyl)-L-valyl)-5-methylpyrrolidin-2-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)carbamate

Velpatasvir Diastereomer-16

CAT No: CL-VPT-17 CAS No: NA Mol Wt: 883.02 Mol F: C49H54N8O8 Inv Status: Custom Synthesis

Chemical Name: Methyl ((S)-2-((2S,4S)-2-(5-(2-((2S,5S)-1-((methoxycarbonyl)-D-valyl)-5-methylpyrrolidin-2-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)carbamate

Velpatasvir impurity-1

CAT No: CL-VPT-34 CAS No: 1965253-64-8 Mol Wt: 350.4 Mol F: C17H22N2O6 Inv Status: Custom Synthesis

Chemical Name: (2S,4S)-1-((R)-2-((Methoxycarbonyl)amino)-2-phenylacetyl)-4-(methoxymethyl)pyrrolidine-2-carboxylic acid

Velpatasvir Impurity-2

CAT No: CL-VPT-35 CAS No: NA Mol Wt: 350.4 Mol F: C17H22N2O6 Inv Status: Custom Synthesis

Chemical Name: (2S,4S)-1-((S)-2-((Methoxycarbonyl)amino)-2-phenylacetyl)-4-(methoxymethyl)pyrrolidine-2-carboxylic acid

Velpatasvir Impurity-3

CAT No: CL-VPT-36 CAS No: NA Mol Wt: 350.4 Mol F: C17H22N2O6 Inv Status: Custom Synthesis

Chemical Name: (2R,4R)-1-((R)-2-((Methoxycarbonyl)amino)-2-phenylacetyl)-4-(methoxymethyl)pyrrolidine-2-carboxylic acid

Velpatasvir Impurity-4

CAT No: CL-VPT-37 CAS No: NA Mol Wt: 350.4 Mol F: C17H22N2O6 Inv Status: Custom Synthesis

Chemical Name: (2R,4R)-1-((S)-2-((Methoxycarbonyl)amino)-2-phenylacetyl)-4-(methoxymethyl)pyrrolidine-2-carboxylic acid

Velpatasvir Impurity-5

CAT No: CL-VPT-38 CAS No: NA Mol Wt: 350.4 Mol F: C17H22N2O6 Inv Status: Custom Synthesis

Chemical Name: (2S,4R)-1-((R)-2-((Methoxycarbonyl)amino)-2-phenylacetyl)-4-(methoxymethyl)pyrrolidine-2-carboxylic acid

Velpatasvir Impurity-6

CAT No: CL-VPT-39 CAS No: NA Mol Wt: 350.4 Mol F: C17H22N2O6 Inv Status: Custom Synthesis

Chemical Name: (2S,4R)-1-((S)-2-((Methoxycarbonyl)amino)-2-phenylacetyl)-4-(methoxymethyl)pyrrolidine-2-carboxylic acid

Velpatasvir Impurity-7

CAT No: CL-VPT-40 CAS No: NA Mol Wt: 350.4 Mol F: C17H22N2O6 Inv Status: Custom Synthesis

Chemical Name: (2R,4S)-1-((R)-2-((Methoxycarbonyl)amino)-2-phenylacetyl)-4-(methoxymethyl)pyrrolidine-2-carboxylic acid

Velpatasvir Impurity-8

CAT No: CL-VPT-41 CAS No: NA Mol Wt: 350.4 Mol F: C17H22N2O6 Inv Status: Custom Synthesis

Chemical Name: (2R,4S)-1-((S)-2-((Methoxycarbonyl)amino)-2-phenylacetyl)-4-(methoxymethyl)pyrrolidine-2-carboxylic acid

Velpatasvir Impurity-9

CAT No: CL-VPT-42 CAS No: 1335316-40-9 Mol Wt: 286.33 Mol F: C13H22N2O5 Inv Status: Custom Synthesis

Chemical Name: (2S,5S)-1-((Methoxycarbonyl)-L-valyl)-5-methylpyrrolidine-2-carboxylic acid

Velpatasvir Impurity-10

CAT No: CL-VPT-43 CAS No: NA Mol Wt: 286.33 Mol F: C13H22N2O5 Inv Status: Custom Synthesis

Chemical Name: (2S,5S)-1-((Methoxycarbonyl)-D-valyl)-5-methylpyrrolidine-2-carboxylic acid

Velpatasvir Impurity-11

CAT No: CL-VPT-44 CAS No: NA Mol Wt: 286.33 Mol F: C13H22N2O5 Inv Status: Custom Synthesis

Chemical Name: (2R,5R)-1-((Methoxycarbonyl)-L-valyl)-5-methylpyrrolidine-2-carboxylic acid

Velpatasvir Impurity-12

CAT No: CL-VPT-45 CAS No: NA Mol Wt: 286.33 Mol F: C13H22N2O5 Inv Status: Custom Synthesis

Chemical Name: (2R,5R)-1-((Methoxycarbonyl)-D-valyl)-5-methylpyrrolidine-2-carboxylic acid

Velpatasvir Impurity-13

CAT No: CL-VPT-46 CAS No: NA Mol Wt: 286.33 Mol F: C13H22N2O5 Inv Status: Custom Synthesis

Chemical Name: (2S,5R)-1-((Methoxycarbonyl)-L-valyl)-5-methylpyrrolidine-2-carboxylic acid

Velpatasvir Impurity-14

CAT No: CL-VPT-47 CAS No: NA Mol Wt: 286.33 Mol F: C13H22N2O5 Inv Status: Custom Synthesis

Chemical Name: (2S,5R)-1-((Methoxycarbonyl)-D-valyl)-5-methylpyrrolidine-2-carboxylic acid

Velpatasvir Impurity-15

CAT No: CL-VPT-48 CAS No: NA Mol Wt: 286.33 Mol F: C13H22N2O5 Inv Status: Custom Synthesis

Chemical Name: (2R,5S)-1-((Methoxycarbonyl)-L-valyl)-5-methylpyrrolidine-2-carboxylic acid

Velpatasvir Impurity-16

CAT No: CL-VPT-49 CAS No: NA Mol Wt: 286.33 Mol F: C13H22N2O5 Inv Status: Custom Synthesis

Chemical Name: (2R,5S)-1-((Methoxycarbonyl)-D-valyl)-5-methylpyrrolidine-2-carboxylic acid

Velpatasvir Impurity-17

CAT No: CL-VPT-50 CAS No: NA Mol Wt: 824.98 Mol F: C47H52N8O6 Inv Status: Custom Synthesis

Chemical Name: Methyl ((R)-2-((2S,4S)-2-(5-(2-((2S,5S)-1-(L-valyl)-5-methylpyrrolidin-2-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)carbamate

Velpatasvir Impurity-18

CAT No: CL-VPT-51 CAS No: NA Mol Wt: 824.98 Mol F: C47H52N8O6 Inv Status: Custom Synthesis

Chemical Name: Methyl ((S)-1-((2S,5S)-2-(9-(2-((2S,4S)-1-((R)-2-amino-2-phenylacetyl)-4-(methoxymethyl)pyrrolidin-2-yl)-1H-imidazol-5-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-2-yl)-5-methylpyrrolidin-1-yl)-3-methyl-1-oxobutan-2-yl)carbamate

Velpatasvir Impurity-19

CAT No: CL-VPT-52 CAS No: NA Mol Wt: 766.95 Mol F: C45H50N8O4 Inv Status: Custom Synthesis

Chemical Name: (S)-2-Amino-1-((2S,5S)-2-(9-(2-((2S,4S)-1-((R)-2-amino-2-phenylacetyl)-4-(methoxymethyl)pyrrolidin-2-yl)-1H-imidazol-5-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-2-yl)-5-methylpyrrolidin-1-yl)-3-methylbutan-1-one

Velpatasvir Impurity-20

CAT No: CL-VPT-53 CAS No: NA Mol Wt: 725.9 Mol F: C42H43N7O5 Inv Status: Custom Synthesis

Chemical Name: Methyl ((R)-2-((2S,4S)-4-(methoxymethyl)-2-(5-(2-((2S,5S)-5-methylpyrrolidin-2-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)carbamate

Velpatasvir Impurity-21

CAT No: CL-VPT-54 CAS No: 1493769-28-0 Mol Wt: 947.1 Mol F: C53H54N8O9 Inv Status: Custom Synthesis

Chemical Name: Methyl ((R)-2-((2S,4S)-2-(9-(2-((2S,4S)-1-((R)-2-((methoxycarbonyl)amino)-2-phenylacetyl)-4-(methoxymethyl)pyrrolidin-2-yl)-1H-imidazol-5-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-2-yl)-4-(methoxymethyl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)carbamate

Velpatasvir Impurity-22

CAT No: CL-VPT-55 CAS No: 1377049-43-8 Mol Wt: 818.98 Mol F: C45H54N8O7 Inv Status: Custom Synthesis

Chemical Name: Methyl ((S)-1-((2S,5S)-2-(5-(2-((2S,5S)-1-((methoxycarbonyl)-L-valyl)-5-methylpyrrolidin-2-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl)-5-methylpyrrolidin-1-yl)-3-methyl-1-oxobutan-2-yl)carbamate

Velpatasvir Regioisomer

CAT No: CL-VPT-56 CAS No: NA Mol Wt: 883.02 Mol F: C49H54N8O8 Inv Status: Custom Synthesis

Chemical Name: Methyl ((R)-2-((2S,4S)-2-(5-(2-((2S,5S)-1-((methoxycarbonyl)-L-valyl)-5-methylpyrrolidin-2-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-8-yl)-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)carbamate

Velpatasvir Keto Analog

CAT No: CL-VPT-57 CAS No: 1493768-01-6 Mol Wt: 897 Mol F: C49H52N8O9 Inv Status: Custom Synthesis

Chemical Name: Methyl ((R)-2-((2S,4S)-2-(5-(2-((2S,5S)-1-((methoxycarbonyl)-L-valyl)-5-methylpyrrolidin-2-yl)-11-oxo-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)carbamate

Velpatasvir Hydroxy Analog

CAT No: CL-VPT-58 CAS No: NA Mol Wt: 899 Mol F: C49H54N8O9 Inv Status: Custom Synthesis

Chemical Name: Methyl ((1R)-2-((2S,4S)-2-(5-(11-hydroxy-2-((2S,5S)-1-((methoxycarbonyl)-L-valyl)-5-methylpyrrolidin-2-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)carbamate

Velpatasvir R, R Isomer (Imidazole) Boc

CAT No: CL-VPT-59 CAS No: NA Mol Wt: 791.9 Mol F: C44H53N7O7 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (2R,4R)-2-(4-(2-((2S,5S)-1-((methoxycarbonyl)-L-valyl)-5-methylpyrrolidin-2-yl)-11-oxo-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2yyl)-4-(methoxymethyl)pyrrolidine-1-carboxylate

N-Boc-4-Oxo-L-Proline

CAT No: CL-VPT-60 CAS No: 84348-37-8 Mol Wt: 229.23 Mol F: C10H15NO5 Inv Status: Custom Synthesis

Chemical Name: (S)-1-(tert-butoxycarbonyl)-4-oxopyrrolidine-2-carboxylic acid

Velpatasvir Intermediate-1

CAT No: CL-VPT-61 CAS No: 1378390-29-4 Mol Wt: 371.2 Mol F: C19H15BrO3 Inv Status: Custom Synthesis

Chemical Name: 3-(2-Bromoacetyl)-10,11-dihydro-5H-dibenzo[c,g]chromen-8(9H)-one

Velpatasvir Intermediate-2

CAT No: CL-VPT-62 CAS No: 1378388-16-9 Mol Wt: 259.3 Mol F: C12H21NO5 Inv Status: Custom Synthesis

Chemical Name: (2S,4S)-1-(Tert-butoxycarbonyl)-4-(methoxymethyl)pyrrolidine-2-carboxylic acid

Velpatasvir Impurity-23

CAT No: CL-VPT-63 CAS No: NA Mol Wt: 927.1 Mol F: C51H58N8O9 Inv Status: Custom Synthesis

Chemical Name: Methyl [(2S)-1-[(2S,5S)-2-[9-[2-[(2S,4S)-1-[(2R)-2-[(methoxycarbonyl)amino]-2-phenylacetyl]-4-(methoxymethyl)pyrrolidin-2-yl]-1H-imidazol-5-yl]-11-ethoxy-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-2-yl]-5-methylpyrrolidin-1-yl]-3-methyl-1-oxobutan-2-yl]carbamate

Velpatasvir Impurity 25

CAT No: CL-VPT-66 CAS No: 1844064-96-5 Mol Wt: 691.8 Mol F: C39H45N7O5 Inv Status: Custom Synthesis

Chemical Name: Methyl ((S)-1-((2S,5S)-2-(9-(2-((2S,4S)-4-(methoxymethyl)pyrrolidin-2-yl)-1H-imidazol-5-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-2-yl)-5-methylpyrrolidin-1-yl)-3-methyl-1-oxobutan-2-yl)carbamate

Velpatasvir Impurity 26

CAT No: CL-VPT-67 CAS No: NA Mol Wt: 1022.1 Mol F: C54H59N11O10 Inv Status: Custom Synthesis

Chemical Name: Methyl ((S)-1-((2S,5S)-2-(9-(1-(4,6-dimethoxy-1,3,5-triazin-2-yl)-2-((2S,4S)-1-((R)-2-((methoxycarbonyl)amino)-2-phenylacetyl)-4-(methoxymethyl)pyrrolidin-2-yl)-1H-imidazol-4-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-2-yl)-5-methylpyrrolidin-1-yl)-3-methyl-1-oxobutan-2-yl)carbamate

Velpatasvir Impurity 28

CAT No: CL-VPT-68 CAS No: 138604-91-8 Mol Wt: 223.2 Mol F: C11H13NO4 Inv Status: Custom Synthesis

Chemical Name: Methyl (R)-2-((methoxycarbonyl)amino)-2-phenylacetate

Velpatasvir S-Phenyl Diastereomer

CAT No: CL-VPT-69 CAS No: 1493768-22-1 Mol Wt: 883 Mol F: C49H54N8O8 Inv Status: Custom Synthesis

Chemical Name: Methyl ((S)-2-((2S,4S)-2-(4-(2-((2S,5S)-1-((methoxycarbonyl)-L-valyl)-5-methylpyrrolidin-2-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)carbamate

Velpatasvir Hydrobromide

CAT No: CL-VPT-70 CAS No: 1842428-08-3 Mol Wt: 883.0 : 2(80.9) Mol F: C49H54N8O8 : 2(HBr) Inv Status: Custom Synthesis

Chemical Name: Methyl ((R)-2-((2S,4S)-2-(5-(2-((2S,5S)-1-((methoxycarbonyl)-L-valyl)-5-Methylpyrrolidin-2-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)carbamate Dihydrobromide

Velpatasvir Impurity 24

CAT No: CL-VPT-71 CAS No: NA Mol Wt: 825 Mol F: C47H52N8O6 Inv Status: Custom Synthesis

Chemical Name: Methyl ((R)-2-((2S,4S)-2-(4-(2-((2R,5S)-1-(L-valyl)-5-methylpyrrolidin-2-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)carbamate

Velpatasvir Impurity 27

CAT No: CL-VPT-72 CAS No: 1377604-63-1 Mol Wt: 885 Mol F: C49H56N8O8 Inv Status: Custom Synthesis

Chemical Name: Methyl ((S)-1-((2S,5S)-2-(9-(2-((2S,4S)-1-((R)-2-((methoxycarbonyl)amino)-2-phenylacetyl)-4-(methoxymethyl)pyrrolidin-2-yl)-1H-imidazol-5-yl)-1,4,5,11-tetrahydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-2-yl)-5-methylpyrrolidin-1-yl)-3-methyl-1-oxobutan-2-yl)carbamate

Velpatasvir R,S Isomer (Imidazole) Boc

CAT No: CL-VPT-73 CAS No: NA Mol Wt: 792 Mol F: C44H53N7O7 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (2R,4S)-2-(5-(2-((2S,5S)-1-((methoxycarbonyl)-L-valyl)-5-methylpyrrolidin-2-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidine-1-carboxylate

Velpatasvir Glycine Dimer Impurity

CAT No: CL-VPT-74 CAS No: NA Mol Wt: 1016.2 Mol F: C57H61N9O9 Inv Status: Custom Synthesis

Chemical Name: Methyl ((R)-2-(((R)-2-((2S,4S)-2-(5-(2-((2S,5S)-1-((methoxycarbonyl)-L-valyl)-5-methylpyrrolidin-2-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)amino)-2-oxo-1-phenylethyl)carbamate

Velpatasvir Impurity 29

CAT No: CL-VPT-75 CAS No: NA Mol Wt: 805.9 Mol F: C44H51N7O8 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (2S,4S)-2-(5-(2-((2S,5S)-1-((methoxycarbonyl)-L-valyl)-5-methylpyrrolidin-2-yl)-11-oxo-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidine-1-carboxylate

Velpatasvir Impurity 30

CAT No: CL-VPT-76 CAS No: 1438383-89-1 Mol Wt: 450.1 Mol F: C19H14Br2O3 Inv Status: Custom Synthesis

Chemical Name: 9-Bromo-3-(2-bromoacetyl)-10,11-dihydro-5H-dibenzo[c,g]chromen-8(9H)-one

Velpatasvir Impurity 31

CAT No: CL-VPT-77 CAS No: NA Mol Wt: 371.2 Mol F: C19H15BrO3 Inv Status: Custom Synthesis

Chemical Name: 2-(2-Bromoacetyl)-10,11-dihydro-5H-dibenzo[c,g]chromen-8(9H)-one

Velpatasvir Impurity 32

CAT No: CL-VPT-78 CAS No: NA Mol Wt: 883 Mol F: C49H54N8O8 Inv Status: Custom Synthesis

Chemical Name: Methyl ((S)-1-((2S,5S)-2-(9-(2-((2R,4S)-1-((R)-2-((methoxycarbonyl)amino)-2-phenylacetyl)-4-(methoxymethyl)pyrrolidin-2-yl)-1H-imidazol-5-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-2-yl)-5-methylpyrrolidin-1-yl)-3-methyl-1-oxobutan-2-yl)carbamate

Velpatasvir Impurity 33

CAT No: CL-VPT-79 CAS No: 1803401-83-3 Mol Wt: 257.3 Mol F: C12H19NO5 Inv Status: Custom Synthesis

Chemical Name: (S)-1-(tert-butoxycarbonyl)-4-(methoxymethylene)pyrrolidine-2-carboxylic acid

Velpatasvir Impurity 34

CAT No: CL-VPT-80 CAS No: 1653967-23-7 Mol Wt: 259.3 Mol F: C12H21NO5 Inv Status: Custom Synthesis

Chemical Name: (2S,4R)-1-(tert-butoxycarbonyl)-4-(methoxymethyl)pyrrolidine-2-carboxylic acid

Velpatasvir Impurity 35

CAT No: CL-VPT-81 CAS No: 60725-19-1 Mol Wt: 209.2 Mol F: C10H11NO4 Inv Status: Custom Synthesis

Chemical Name: (S)-2-((Methoxycarbonyl)amino)-2-phenylacetic acid

Type:Impurity Reference Standard

API NAME:Velpatasvir

Total Products: 63

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