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Letrozole Monoacid 杂质 CAS号 N/A

基本信息

CAS(化学文摘登记)号

N/A

英文名称

Letrozole Monoacid 杂质

英文化学名

4-((4-Cyanophenyl)(1H-1,2,4-triazol-1-yl)methyl)benzoic acid

简化分子线性输入规范(SMILES)

O=C(O)C1=CC=C(C(C2=CC=C(C=C2)C#N)N3N=CN=C3)C=C1

分子式

C17H12N4O2

分子量

304.3

物理性质

外观

安全信息

危险品运输编号

非危险品

德国水污染物质分类清单(WGK Germany)

3

详细规格

测试方法

核磁；质谱，液相色谱

保存条件

常温避光保存

产品描述

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.

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品牌

ChemWhat（凯望）—— 品牌介绍

ChemWhat官网链接地址

https://www.chemwhat.com/letrozole-monoacid-impurity-cas-N/A/

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Letrozole Diacid CAS号 1644566-39-1

基本信息

CAS(化学文摘登记)号

1644566-39-1

英文名称

Letrozole Diacid

英文化学名

4,4′-((1H-1,2,4-Triazol-1-yl)methylene)dibenzoic acid

简化分子线性输入规范(SMILES)

O=C(O)C1=CC=C(C(C(C=C2)=CC=C2C(O)=O)N3N=CN=C3)C=C1

分子式

C17H15N3O4

分子量

325.3

物理性质

外观

安全信息

危险品运输编号

非危险品

德国水污染物质分类清单(WGK Germany)

3

详细规格

测试方法

核磁；质谱，液相色谱

保存条件

常温避光保存

产品描述

Letrozole Diacid is chemically 4,4′-((1H-1,2,4-Triazol-1-yl)methylene)dibenzoic acid. Letrozole Diacid is supplied with detailed characterization data compliant with regulatory guideline. Letrozole Diacid 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.

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邮箱：chemwhat@watson-int.cn

品牌

ChemWhat（凯望）—— 品牌介绍

ChemWhat官网链接地址

https://www.chemwhat.com/letrozole-diacid-cas-1644566-39-1/

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Letrozole Diamide CAS号 2170106-13-3

基本信息

CAS(化学文摘登记)号

2170106-13-3

英文名称

Letrozole Diamide

英文化学名

4,4′-((1H-1,2,4-Triazol-1-yl)methylene)dibenzamide

简化分子线性输入规范(SMILES)

O=C(N)C1=CC=C(C(C(C=C2)=CC=C2C(N)=O)N3N=CN=C3)C=C1

分子式

C17H17N5O2

分子量

323.4

物理性质

外观

安全信息

危险品运输编号

非危险品

德国水污染物质分类清单(WGK Germany)

3

详细规格

测试方法

核磁；质谱，液相色谱

保存条件

常温避光保存

产品描述

Letrozole Diamide is chemically 4,4′-((1H-1,2,4-Triazol-1-yl)methylene)dibenzamide. Letrozole Diamide is supplied with detailed characterization data compliant with regulatory guideline. Letrozole Diamide 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.

快速询价

邮箱：chemwhat@watson-int.cn

品牌

ChemWhat（凯望）—— 品牌介绍

ChemWhat官网链接地址

https://www.chemwhat.com/letrozole-diamide-cas-2170106-13-3/

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Letrozole 杂质 1 CAS号 143030-54-0

基本信息

CAS(化学文摘登记)号

143030-54-0

英文名称

Letrozole 杂质 1

英文化学名

4-((4-Bromophenyl)(1H-1,2,4-triazol-1-yl)methyl)benzonitrile

简化分子线性输入规范(SMILES)

BrC1=CC=C(C=C1)C(N2C=NC=N2)C3=CC=C(C#N)C=C3

分子式

C16H11BrN4

分子量

339.2

物理性质

外观

安全信息

危险品运输编号

非危险品

德国水污染物质分类清单(WGK Germany)

3

详细规格

测试方法

核磁；质谱，液相色谱

保存条件

常温避光保存

产品描述

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

快速询价

邮箱：chemwhat@watson-int.cn

品牌

ChemWhat（凯望）—— 品牌介绍

ChemWhat官网链接地址

https://www.chemwhat.com/letrozole-impurity-1-cas-143030-54-0/

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Letrozole CAS号 112809-51-5

基本信息

CAS(化学文摘登记)号

112809-51-5

英文名称

Letrozole

英文化学名

4,4′-(1H-1,2,4-Triazol-1-ylmethylene)dibenzonitrile

简化分子线性输入规范(SMILES)

N#CC1=CC=C(C=C1)C(N2C=NC=N2)C3=CC=C(C#N)C=C3

分子式

C17H11N5

分子量

285.3

物理性质

外观

安全信息

危险品运输编号

非危险品

德国水污染物质分类清单(WGK Germany)

3

详细规格

测试方法

核磁；质谱，液相色谱

保存条件

常温避光保存

产品描述

Letrozole is chemically 4,4′-(1H-1,2,4-Triazol-1-ylmethylene)dibenzonitrile. Letrozole is supplied with detailed characterization data compliant with regulatory guideline. 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.

快速询价

邮箱：chemwhat@watson-int.cn

品牌

ChemWhat（凯望）—— 品牌介绍

ChemWhat官网链接地址

https://www.chemwhat.com/letrozole-cas-112809-51-5/

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Letrozole D4 CAS号 1133712-96-5

基本信息

CAS(化学文摘登记)号

1133712-96-5

英文名称

Letrozole D4

英文化学名

4-((4-Cyanophenyl)(1H-1,2,4-triazol-1-yl)methyl)benzonitrile-2,3,5,6-d4

简化分子线性输入规范(SMILES)

N#CC1=C([2H])C([2H])=C(C([2H])=C1[2H])C(N2C=NC=N2)C3=CC=C(C#N)C=C3

分子式

C17H7D4N5

分子量

289.3

物理性质

外观

安全信息

危险品运输编号

非危险品

德国水污染物质分类清单(WGK Germany)

3

详细规格

测试方法

核磁；质谱，液相色谱

保存条件

常温避光保存

产品描述

Letrozole D4 is chemically 4-((4-Cyanophenyl)(1H-1,2,4-triazol-1-yl)methyl)benzonitrile-2,3,5,6-d4. Letrozole D4 is supplied with detailed characterization data compliant with regulatory guideline. Letrozole D4 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.

快速询价

邮箱：chemwhat@watson-int.cn

品牌

ChemWhat（凯望）—— 品牌介绍

ChemWhat官网链接地址

https://www.chemwhat.com/letrozole-d4-cas-1133712-96-5/

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Letrozole 杂质 C CAS号 112809-25-3

基本信息

CAS(化学文摘登记)号

112809-25-3

英文名称

Letrozole 杂质 C

英文化学名

4-((1H-1,2,4-Triazol-1-yl)methyl)benzonitrile

简化分子线性输入规范(SMILES)

N#CC1=CC=C(C=C1)CN2C=NC=N2

分子式

C10H8N4

分子量

184.2

物理性质

外观

安全信息

危险品运输编号

非危险品

德国水污染物质分类清单(WGK Germany)

3

详细规格

测试方法

核磁；质谱，液相色谱

保存条件

常温避光保存

产品描述

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

快速询价

邮箱：chemwhat@watson-int.cn

品牌

ChemWhat（凯望）—— 品牌介绍

ChemWhat官网链接地址

https://www.chemwhat.com/letrozole-impurity-c-cas-112809-25-3/

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Letrozole EP 杂质 B CAS号 113402-31-6

基本信息

CAS(化学文摘登记)号

113402-31-6

英文名称

Letrozole EP 杂质 B

英文化学名

4,4′,4″-Methanetriyltribenzonitrile

简化分子线性输入规范(SMILES)

N#CC1=CC=C(C(C2=CC=C(C=C2)C#N)C3=CC=C(C=C3)C#N)C=C1

分子式

C22H13N3

分子量

319.4

物理性质

外观

安全信息

危险品运输编号

非危险品

德国水污染物质分类清单(WGK Germany)

3

详细规格

测试方法

核磁；质谱，液相色谱

保存条件

常温避光保存

产品描述

Letrozole EP Impurity B is chemically 4,4′,4″-Methanetriyltribenzonitrile. Letrozole EP Impurity B is supplied with detailed characterization data compliant with regulatory guideline. Letrozole EP Impurity B 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.

快速询价

邮箱：chemwhat@watson-int.cn

品牌

ChemWhat（凯望）—— 品牌介绍

ChemWhat官网链接地址

https://www.chemwhat.com/letrozole-ep-impurity-b-cas-113402-31-6/

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Carbinol Metabolite Of Letrozole CAS号 134521-16-7

基本信息

CAS(化学文摘登记)号

134521-16-7

英文名称

Carbinol Metabolite Of Letrozole

英文化学名

4,4′-(Hydroxymethylene)dibenzonitrile

简化分子线性输入规范(SMILES)

OC(C1=CC=C(C#N)C=C1)C2=CC=C(C#N)C=C2

分子式

C15H10N2O

分子量

234.3

物理性质

外观

安全信息

危险品运输编号

非危险品

德国水污染物质分类清单(WGK Germany)

3

详细规格

测试方法

核磁；质谱，液相色谱

保存条件

常温避光保存

产品描述

Carbinol Metabolite Of Letrozole is chemically 4,4′-(Hydroxymethylene)dibenzonitrile. Carbinol Metabolite Of Letrozole is supplied with detailed characterization data compliant with regulatory guideline. Carbinol Metabolite Of 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.

快速询价

邮箱：chemwhat@watson-int.cn

品牌

ChemWhat（凯望）—— 品牌介绍

ChemWhat官网链接地址

https://www.chemwhat.com/carbinol-metabolite-of-letrozole-cas-134521-16-7/

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Letrozole EP 杂质 A CAS号 112809-52-6

基本信息

CAS(化学文摘登记)号

112809-52-6

英文名称

Letrozole EP 杂质 A

英文化学名

4,4′-(4H-1,2,4-Triazol-4-ylmethylene)dibenzonitrile

简化分子线性输入规范(SMILES)

N#CC1=CC=C(C=C1)C(N2C=NN=C2)C3=CC=C(C#N)C=C3

分子式

C17H11N5

分子量

285.3

物理性质

外观

安全信息

危险品运输编号

非危险品

德国水污染物质分类清单(WGK Germany)

3

详细规格

测试方法

核磁；质谱，液相色谱

保存条件

常温避光保存

产品描述

Letrozole EP Impurity A is chemically 4,4′-(4H-1,2,4-Triazol-4-ylmethylene)dibenzonitrile. It is also known as Letrozole USP Related Compound A. Letrozole EP Impurity A is supplied with detailed characterization data compliant with regulatory guideline. Letrozole EP Impurity A 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.

快速询价

邮箱：chemwhat@watson-int.cn

品牌

ChemWhat（凯望）—— 品牌介绍

ChemWhat官网链接地址

https://www.chemwhat.com/letrozole-ep-impurity-a-cas-112809-52-6/

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