Letrozole • ChemWhat中文网 | 凯望化学与生物数据库

Letrozole Mono-Amide Impurity CAS#: 2500927-47-7

By great_watson-int, 7th July 2024

Identification	Physical Data	Spectra
Route of Synthesis (ROS)	Safety and Hazards	Other Data

Identification

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

Letrozole Mono-Amide Impurity is chemically 4-((4-Cyanophenyl)(1H-1,2,4-triazol-1-yl)methyl)benzamide. Letrozole Mono-Amide Impurity is supplied with detailed characterization data compliant with regulatory guideline. Letrozole Mono-Amide 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 Letrozole . 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.

Letrozole Impurity 8 CAS#: 874-86-2

By great_watson-int, 7th July 2024

Identification	Physical Data	Spectra
Route of Synthesis (ROS)	Safety and Hazards	Other Data

Identification

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

Letrozole Impurity 8 is chemically 4-(Chloromethyl)benzonitrile. Letrozole Impurity 8 is supplied with detailed characterization data compliant with regulatory guideline. Letrozole Impurity 8 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 Letrozole . 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.

3-Cyano Letrozole CAS#: N/A

By great_watson-int, 7th July 2024

Identification	Physical Data	Spectra
Route of Synthesis (ROS)	Safety and Hazards	Other Data

Identification

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

3-Cyano Letrozole is chemically 3-((4-cyanophenyl)(1H-1,2,4-triazol-1-yl)methyl)benzonitrile. 3-Cyano Letrozole is supplied with detailed characterization data compliant with regulatory guideline. 3-Cyano Letrozole 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 Letrozole . 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.

Letrozole Impurity 5 CAS#: 124213-98-5

By great_watson-int, 6th July 2024

Identification	Physical Data	Spectra
Route of Synthesis (ROS)	Safety and Hazards	Other Data

Identification

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

Letrozole Impurity 5 is chemically 1,5-Dihydro-4H-1,2,4-triazol-4-amine. Letrozole Impurity 5 is supplied with detailed characterization data compliant with regulatory guideline. Letrozole Impurity 5 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 Letrozole . 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.

Letrozole Impurity 3 CAS#: 112809-27-5

By great_watson-int, 6th July 2024

Identification	Physical Data	Spectra
Route of Synthesis (ROS)	Safety and Hazards	Other Data

Identification

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

Letrozole Impurity 3 is chemically 4-((4H-1,2,4-Triazol-4-yl)methyl)benzonitrile. Letrozole Impurity 3 is supplied with detailed characterization data compliant with regulatory guideline. Letrozole Impurity 3 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 Letrozole . 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.

Letrozole Impurity 6 CAS#: 748812-17-1

By great_watson-int, 6th July 2024

Identification	Physical Data	Spectra
Route of Synthesis (ROS)	Safety and Hazards	Other Data

Identification

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	794466-72-1 (free base)

Use Pattern

Letrozole Impurity 6 is chemically 4-Amino-1-(4-cyanobenzyl)-1H-1,2,4-triazol-4-ium bromide. Letrozole Impurity 6 is supplied with detailed characterization data compliant with regulatory guideline. Letrozole Impurity 6 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 Letrozole . 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.

Letrozole Impurity 7 CAS#: N/A

By great_watson-int, 6th July 2024

Identification	Physical Data	Spectra
Route of Synthesis (ROS)	Safety and Hazards	Other Data

Identification

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

Letrozole Impurity 7 is chemically p-({p[(Aminooxy)methyl]phenyl}(1H-1,2,4-triazol-1 yl)methyl)benzonitrile. Letrozole Impurity 7 is supplied with detailed characterization data compliant with regulatory guideline. Letrozole Impurity 7 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 Letrozole . 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.

Letrozole Impurity 4 CAS#: N/A

By great_watson-int, 6th July 2024

Identification	Physical Data	Spectra
Route of Synthesis (ROS)	Safety and Hazards	Other Data

Identification

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

Letrozole Impurity 4 is chemically 1,4-Bis(4-cyanobenzyl)-1H-1,2,4-triazol-4-ium bromide. Letrozole Impurity 4 is supplied with detailed characterization data compliant with regulatory guideline. Letrozole 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 Letrozole . 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.

4-Fluorobenzonitrile CAS#: 1194-02-1

By great_watson-int, 6th July 2024

Identification	Physical Data	Spectra
Route of Synthesis (ROS)	Safety and Hazards	Other Data

Identification

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

4-Fluorobenzonitrile is chemically p-Fluoro benzonitrile. 4-Fluorobenzonitrile is supplied with detailed characterization data compliant with regulatory guideline. 4-Fluorobenzonitrile 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 Letrozole . 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.

Letrozole Monoacid Impurity CAS#: N/A

By great_watson-int, 6th July 2024

Identification	Physical Data	Spectra
Route of Synthesis (ROS)	Safety and Hazards	Other Data

Identification

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

Letrozole Monoacid Impurity is chemically 4-((4-Cyanophenyl)(1H-1,2,4-triazol-1-yl)methyl)benzoic acid. Letrozole Monoacid Impurity is supplied with detailed characterization data compliant with regulatory guideline. Letrozole Monoacid 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 Letrozole . 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.

英文名	Letrozole Mono-Amide Impurity
分子结构
CAS编号	2500927-47-7
EINECS Number
MDL Number
Beilstein Registry Number
别名	4-((4-Cyanophenyl)(1H-1,2,4-triazol-1-yl)methyl)benzamide
分子式	C17H13N5O
分子量	303.3
InChI
InChI Key
Canonical SMILES	NC(C1=CC=C(C=C1)C(N2C=NC=N2)C3=CC=C(C#N)C=C3)=O

英文名	Letrozole Impurity 8
分子结构
CAS编号	874-86-2
EINECS Number
MDL Number
Beilstein Registry Number
别名	4-(Chloromethyl)benzonitrile
分子式	C8H6ClN
分子量	151.6
InChI
InChI Key
Canonical SMILES	ClCC1=CC=C(C#N)C=C1

英文名	3-Cyano Letrozole
分子结构
CAS编号	N/A
EINECS Number
MDL Number
Beilstein Registry Number
别名	3-((4-cyanophenyl)(1H-1,2,4-triazol-1-yl)methyl)benzonitrile
分子式	C17H11N5
分子量	285.3
InChI
InChI Key
Canonical SMILES	N#CC1=CC=C(C=C1)C(N2N=CN=C2)C3=CC(C#N)=CC=C3

英文名	Letrozole Impurity 5
分子结构
CAS编号	124213-98-5
EINECS Number
MDL Number
Beilstein Registry Number
别名	1,5-Dihydro-4H-1,2,4-triazol-4-amine
分子式	C2H6N4
分子量	86.1
InChI
InChI Key
Canonical SMILES	NN1CNN=C1

英文名	Letrozole Impurity 3
分子结构
CAS编号	112809-27-5
EINECS Number
MDL Number
Beilstein Registry Number
别名	4-((4H-1,2,4-Triazol-4-yl)methyl)benzonitrile
分子式	C10H8N4
分子量	184.2
InChI
InChI Key
Canonical SMILES	N#CC1=CC=C(C=C1)CN2C=NN=C2

英文名	Letrozole Impurity 6
分子结构
CAS编号	748812-17-1
EINECS Number
MDL Number
Beilstein Registry Number
别名	4-Amino-1-(4-cyanobenzyl)-1H-1,2,4-triazol-4-ium bromide
分子式	C10H10N5 : Br
分子量	200.2 : 79.9
InChI
InChI Key
Canonical SMILES	N[N+]1=CN(N=C1)CC2=CC=C(C#N)C=C2.[Br-]

英文名	Letrozole Impurity 7
分子结构
CAS编号	N/A
EINECS Number
MDL Number
Beilstein Registry Number
别名	p-({p[(Aminooxy)methyl]phenyl}(1H-1,2,4-triazol-1 yl)methyl)benzonitrile
分子式	C17H15N5O
分子量	305.3
InChI
InChI Key
Canonical SMILES	N#CC1=CC=C(C(C2=CC=C(CON)C=C2)N3N=CN=C3)C=C1

英文名	Letrozole Impurity 4
分子结构
CAS编号	N/A
EINECS Number
MDL Number
Beilstein Registry Number
别名	1,4-Bis(4-cyanobenzyl)-1H-1,2,4-triazol-4-ium bromide
分子式	C18H14N5 : Br
分子量	300.3 : 79.9
InChI
InChI Key
Canonical SMILES	N#CC1=CC=C(C[N+]2=CN(CC3=CC=C(C#N)C=C3)N=C2)C=C1.[Br-]

英文名	4-Fluorobenzonitrile
分子结构
CAS编号	1194-02-1
EINECS Number
MDL Number
Beilstein Registry Number
别名	p-Fluoro benzonitrile
分子式	C7H4FN
分子量	121.1
InChI
InChI Key
Canonical SMILES	N#CC1=CC=C(F)C=C1

英文名	Letrozole Monoacid Impurity
分子结构
CAS编号	N/A
EINECS Number
MDL Number
Beilstein Registry Number
别名	4-((4-Cyanophenyl)(1H-1,2,4-triazol-1-yl)methyl)benzoic acid
分子式	C17H12N4O2
分子量	304.3
InChI
InChI Key
Canonical SMILES	O=C(O)C1=CC=C(C(C2=CC=C(C=C2)C#N)N3N=CN=C3)C=C1