S-Phenyl Diastereomer CAS#: 1493768-22-1

By great_watson-int,
Identification Physical Data Spectra
Route of Synthesis (ROS) Safety and Hazards Other Data

Identification

英文名 S-Phenyl Diastereomer
分子结构
CAS编号 1493768-22-1
EINECS Number
MDL Number
Beilstein Registry Number
别名 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
分子式 C49H54N8O8
分子量 883.0
InChI
InChI Key
Canonical SMILES O=C(N1C[C@@H](COC)C[C@H]1C2=NC(C3=CC4=C(C5=CC(C=CC6=C7NC([C@H]8N(C([C@@H](NC(OC)=O)C(C)C)=O)[C@@H](C)CC8)=N6)=C7C=C5OC4)C=C3)=CN2)[C@@H](NC(OC)=O)C9=CC=CC=C9

Physical Data

Appearance No data available
Solubility No data available
Flash Point No data available
Refractive index No data available
Sensitivity No data available
Melting Point No data available

Spectra

No data available

Route of Synthesis (ROS)

No data available

Safety and Hazards

No data available

Other Data

HS Code 382290
Storage At room temperature and away from light
Related Chemicals
Use Pattern
S-Phenyl Diastereomer is chemically 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. S-Phenyl Diastereomer is supplied with detailed characterization data compliant with regulatory guideline. S-Phenyl Diastereomer can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Velpatasvir. The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility. ChemWhat products are for analytical purpose only and not for human use.

Velpatasvir Impurity 25 CAS#: 1844064-96-5

By great_watson-int,
Identification Physical Data Spectra
Route of Synthesis (ROS) Safety and Hazards Other Data

Identification

英文名 Velpatasvir Impurity 25
分子结构
CAS编号 1844064-96-5
EINECS Number
MDL Number
Beilstein Registry Number
别名 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
分子式 C39H45N7O5
分子量 691.8
InChI
InChI Key
Canonical SMILES O=C(N1[C@@H](CC[C@@H]1C)C2=NC(C=C3)=C(N2)C4=C3C=C5C(OCC6=CC(C7=CN=C([C@@H](NC8)C[C@@H]8COC)N7)=CC=C56)=C4)[C@H](C(C)C)NC(OC)=O

Physical Data

Appearance No data available
Solubility No data available
Flash Point No data available
Refractive index No data available
Sensitivity No data available
Melting Point No data available

Spectra

No data available

Route of Synthesis (ROS)

No data available

Safety and Hazards

No data available

Other Data

HS Code 382290
Storage At room temperature and away from light
Related Chemicals 1844065-10-6 (HBr salt) ; 1844065-09-3 (HCl salt)
Use Pattern
Velpatasvir Impurity 25 is chemically 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 25 is supplied with detailed characterization data compliant with regulatory guideline. Velpatasvir Impurity 25 can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Velpatasvir. The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility. ChemWhat products are for analytical purpose only and not for human use.

Velpatasvir-13CD3 CAS#: N/A

By great_watson-int,
Identification Physical Data Spectra
Route of Synthesis (ROS) Safety and Hazards Other Data

Identification

英文名 Velpatasvir-13CD3
分子结构
CAS编号 N/A
EINECS Number
MDL Number
Beilstein Registry Number
别名 Methyl ((S)-1-((2S,5S)-2-(9-(2-((2S,4S)-1-((R)-2-(((methoxy-13C-d3)carbonyl)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
分子式 C4813CH51D3N8O8
分子量 887.0
InChI
InChI Key
Canonical SMILES O=C(N([C@H]1C)[C@@H](CC1)C2=NC3=C(C(C=C(OCC4=CC(C5=CN=C([C@H](C[C@H](COC)C6)N6C([C@@H](C7=CC=CC=C7)NC(O[13C]([2H])([2H])[2H])=O)=O)N5)=CC=C84)C8=C9)=C9C=C3)N2)[C@H](C(C)C)NC(OC)=O

Physical Data

Appearance No data available
Solubility No data available
Flash Point No data available
Refractive index No data available
Sensitivity No data available
Melting Point No data available

Spectra

No data available

Route of Synthesis (ROS)

No data available

Safety and Hazards

No data available

Other Data

HS Code 382290
Storage At room temperature and away from light
Related Chemicals
Use Pattern
Velpatasvir-13CD3 is chemically Methyl ((S)-1-((2S,5S)-2-(9-(2-((2S,4S)-1-((R)-2-(((methoxy-13C-d3)carbonyl)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-13CD3 is supplied with detailed characterization data compliant with regulatory guideline. Velpatasvir-13CD3 can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Velpatasvir. The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility. ChemWhat products are for analytical purpose only and not for human use.

Velpatasvir Hydrobromide CAS#: 1842428-08-3

By great_watson-int,
Identification Physical Data Spectra
Route of Synthesis (ROS) Safety and Hazards Other Data

Identification

英文名 Velpatasvir Hydrobromide
分子结构
CAS编号 1842428-08-3
EINECS Number
MDL Number
Beilstein Registry Number
别名 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
分子式 C49H54N8O8 : 2(HBr)
分子量 883.0 : 2(80.9)
InChI
InChI Key
Canonical SMILES COC[C@H]1C[C@@H](C2=NC=C(C3=CC4=C(C5=CC6=CC=C7C(NC([C@H]8N(C([C@@H](NC(OC)=O)C(C)C)=O)[C@@H](C)CC8)=N7)=C6C=C5OC4)C=C3)N2)N(C([C@H](NC(OC)=O)C9=CC=CC=C9)=O)C1.[2HBr]

Physical Data

Appearance No data available
Solubility No data available
Flash Point No data available
Refractive index No data available
Sensitivity No data available
Melting Point No data available

Spectra

No data available

Route of Synthesis (ROS)

No data available

Safety and Hazards

No data available

Other Data

HS Code 382290
Storage At room temperature and away from light
Related Chemicals 1842428-05-0 (HCl salt) ; 1377049-84-7 (free base)
Use Pattern
Velpatasvir Hydrobromide is chemically 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 Hydrobromide is supplied with detailed characterization data compliant with regulatory guideline. Velpatasvir Hydrobromide can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Velpatasvir. The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility. ChemWhat products are for analytical purpose only and not for human use.

Velpatasvir R,S Isomer (Imidazole) Boc CAS#: N/A

By great_watson-int,
Identification Physical Data Spectra
Route of Synthesis (ROS) Safety and Hazards Other Data

Identification

英文名 Velpatasvir R,S Isomer (Imidazole) Boc
分子结构
CAS编号 N/A
EINECS Number
MDL Number
Beilstein Registry Number
别名 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
分子式 C44H53N7O7
分子量 792.0
InChI
InChI Key
Canonical SMILES O=C(N1[C@@H](C2=NC=C(C3=CC4=C(C5=CC6=CC=C7C(NC([C@H]8N(C([C@@H](NC(OC)=O)C(C)C)=O)[C@@H](C)CC8)=N7)=C6C=C5OC4)C=C3)N2)C[C@H](COC)C1)OC(C)(C)C

Physical Data

Appearance No data available
Solubility No data available
Flash Point No data available
Refractive index No data available
Sensitivity No data available
Melting Point No data available

Spectra

No data available

Route of Synthesis (ROS)

No data available

Safety and Hazards

No data available

Other Data

HS Code 382290
Storage At room temperature and away from light
Related Chemicals
Use Pattern
Velpatasvir R,S Isomer (Imidazole) Boc is chemically 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 R,S Isomer (Imidazole) Boc is supplied with detailed characterization data compliant with regulatory guideline. Velpatasvir R,S Isomer (Imidazole) Boc can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Velpatasvir. The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility. ChemWhat products are for analytical purpose only and not for human use.

Velpatasvir Impurity 24 CAS#: N/A

By great_watson-int,
Identification Physical Data Spectra
Route of Synthesis (ROS) Safety and Hazards Other Data

Identification

英文名 Velpatasvir Impurity 24
分子结构
CAS编号 N/A
EINECS Number
MDL Number
Beilstein Registry Number
别名 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
分子式 C47H52N8O6
分子量 825.0
InChI
InChI Key
Canonical SMILES COC(N[C@@H](C(N1C[C@@H](COC)C[C@H]1C2=NC(C3=CC4=C(C(C=C(C=CC5=C6NC([C@H]7CC[C@H](C)N7C([C@H](C(C)C)N)=O)=N5)C6=C8)=C8OC4)C=C3)=CN2)=O)C9=CC=CC=C9)=O

Physical Data

Appearance No data available
Solubility No data available
Flash Point No data available
Refractive index No data available
Sensitivity No data available
Melting Point No data available

Spectra

No data available

Route of Synthesis (ROS)

No data available

Safety and Hazards

No data available

Other Data

HS Code 382290
Storage At room temperature and away from light
Related Chemicals
Use Pattern
Velpatasvir Impurity 24 is chemically 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 24 is supplied with detailed characterization data compliant with regulatory guideline. Velpatasvir Impurity 24 can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Velpatasvir. The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility. ChemWhat products are for analytical purpose only and not for human use.

Hydroxy Impurity CAS#: N/A

By great_watson-int,
Identification Physical Data Spectra
Route of Synthesis (ROS) Safety and Hazards Other Data

Identification

英文名 Hydroxy Impurity
分子结构
CAS编号 N/A
EINECS Number
MDL Number
Beilstein Registry Number
别名 Methyl ((1R)-2-((2S,4S)-2-(4-(11-hydroxy-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
分子式 C49H54N8O9
分子量 899.0
InChI
InChI Key
Canonical SMILES O=C(N1C[C@@H](COC)C[C@H]1C2=NC(C3=CC4=C(C5=CC(C=CC6=C7NC([C@H]8N(C([C@H](NC(OC)=O)C(C)C)=O)[C@@H](C)CC8)=N6)=C7C=C5OC4O)C=C3)=CN2)[C@H](NC(OC)=O)C9=CC=CC=C9

Physical Data

Appearance No data available
Solubility No data available
Flash Point No data available
Refractive index No data available
Sensitivity No data available
Melting Point No data available

Spectra

No data available

Route of Synthesis (ROS)

No data available

Safety and Hazards

No data available

Other Data

HS Code 382290
Storage At room temperature and away from light
Related Chemicals
Use Pattern
Hydroxy Impurity is chemically Methyl ((1R)-2-((2S,4S)-2-(4-(11-hydroxy-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. Hydroxy Impurity is supplied with detailed characterization data compliant with regulatory guideline. Hydroxy Impurity can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Velpatasvir. The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility. ChemWhat products are for analytical purpose only and not for human use.

Velpatasvir Nitroso Impurity 4 CAS#: N/A

By great_watson-int,
Identification Physical Data Spectra
Route of Synthesis (ROS) Safety and Hazards Other Data

Identification

英文名 Velpatasvir Nitroso Impurity 4
分子结构
CAS编号 N/A
EINECS Number
MDL Number
Beilstein Registry Number
别名 Methyl ((S)-1-((2S,5S)-2-(9-(2-((2S,4S)-4-(methoxymethyl)-1-nitrosopyrrolidin-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
分子式 C39H44N8O6
分子量 720.8
InChI
InChI Key
Canonical SMILES O=C(OC)N[C@@H](C(C)C)C(N1[C@H](C2=NC3=CC=C4C=C5C(OCC6=C5C=CC(C7=CN=C([C@H]8N(N=O)C[C@@H](COC)C8)N7)=C6)=CC4=C3N2)CC[C@@H]1C)=O

Physical Data

Appearance No data available
Solubility No data available
Flash Point No data available
Refractive index No data available
Sensitivity No data available
Melting Point No data available

Spectra

No data available

Route of Synthesis (ROS)

No data available

Safety and Hazards

No data available

Other Data

HS Code 382290
Storage At room temperature and away from light
Related Chemicals
Use Pattern
Velpatasvir Nitroso Impurity 4 is chemically Methyl ((S)-1-((2S,5S)-2-(9-(2-((2S,4S)-4-(methoxymethyl)-1-nitrosopyrrolidin-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 Nitroso Impurity 4 is supplied with detailed characterization data compliant with regulatory guideline. Velpatasvir Nitroso Impurity 4 can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Velpatasvir. The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility. ChemWhat products are for analytical purpose only and not for human use.

Velpatasvir Nitroso Impurity 1 CAS#: N/A

By great_watson-int,
Identification Physical Data Spectra
Route of Synthesis (ROS) Safety and Hazards Other Data

Identification

英文名 Velpatasvir Nitroso Impurity 1
分子结构
CAS编号 N/A
EINECS Number
MDL Number
Beilstein Registry Number
别名 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)-1-nitroso-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)carbamate
分子式 C49H53N9O9
分子量 912.0
InChI
InChI Key
Canonical SMILES COC[C@H]1C[C@@H](C2=NC=C(C3=CC4=C(C5=CC6=CC=C7C(NC([C@H]8N(C([C@@H](NC(OC)=O)C(C)C)=O)[C@@H](C)CC8)=N7)=C6C=C5OC4)C=C3)N2N=O)N(C([C@H](NC(OC)=O)C9=CC=CC=C9)=O)C1

Physical Data

Appearance No data available
Solubility No data available
Flash Point No data available
Refractive index No data available
Sensitivity No data available
Melting Point No data available

Spectra

No data available

Route of Synthesis (ROS)

No data available

Safety and Hazards

No data available

Other Data

HS Code 382290
Storage At room temperature and away from light
Related Chemicals
Use Pattern
Velpatasvir Nitroso Impurity 1 is chemically 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)-1-nitroso-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)carbamate. Velpatasvir Nitroso Impurity 1 is supplied with detailed characterization data compliant with regulatory guideline. Velpatasvir Nitroso Impurity 1 can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Velpatasvir. The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility. ChemWhat products are for analytical purpose only and not for human use.

Velpatasvir Nitroso Impurity 2 CAS#: N/A

By great_watson-int,
Identification Physical Data Spectra
Route of Synthesis (ROS) Safety and Hazards Other Data

Identification

英文名 Velpatasvir Nitroso Impurity 2
分子结构
CAS编号 N/A
EINECS Number
MDL Number
Beilstein Registry Number
别名 Methyl ((R)-2-((2S,4S)-2-(5-(2-((2S,5S)-1-((methoxycarbonyl)-L-valyl)-5-methylpyrrolidin-2-yl)-1-nitroso-1,11-dihydroisochromeno[4′,3′:6,7]naphtho[1,2-d]imidazol-9-yl)-1-nitroso-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)carbamate
分子式 C49H52N10O10
分子量 941.0
InChI
InChI Key
Canonical SMILES COC[C@H]1C[C@@H](C2=NC=C(C3=CC4=C(C5=CC6=CC=C7C(N(N=O)C([C@H]8N(C([C@@H](NC(OC)=O)C(C)C)=O)[C@@H](C)CC8)=N7)=C6C=C5OC4)C=C3)N2N=O)N(C([C@H](NC(OC)=O)C9=CC=CC=C9)=O)C1

Physical Data

Appearance No data available
Solubility No data available
Flash Point No data available
Refractive index No data available
Sensitivity No data available
Melting Point No data available

Spectra

No data available

Route of Synthesis (ROS)

No data available

Safety and Hazards

No data available

Other Data

HS Code 382290
Storage At room temperature and away from light
Related Chemicals
Use Pattern
Velpatasvir Nitroso Impurity 2 is chemically Methyl ((R)-2-((2S,4S)-2-(5-(2-((2S,5S)-1-((methoxycarbonyl)-L-valyl)-5-methylpyrrolidin-2-yl)-1-nitroso-1,11-dihydroisochromeno[4′,3′:6,7]naphtho[1,2-d]imidazol-9-yl)-1-nitroso-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidin-1-yl)-2-oxo-1-phenylethyl)carbamate. Velpatasvir Nitroso Impurity 2 is supplied with detailed characterization data compliant with regulatory guideline. Velpatasvir Nitroso Impurity 2 can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Velpatasvir. The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility. ChemWhat products are for analytical purpose only and not for human use.