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[Leu5]-Enkephalin CAS号 58822-25-6

基本信息

CAS(化学文摘登记)号

58822-25-6

英文名称

[Leu5]-Enkephalin

英文化学名

L-Tyrosylglycylglycyl-L-phenylalanyl-L-leucine

简化分子线性输入规范(SMILES)

O=C(N[C@H](C(O)=O)CC(C)C)[C@@H](NC(CNC(CNC([C@@H](N)CC(C=C1)=CC=C1O)=O)=O)=O)CC2=CC=CC=C2

分子式

C28H37N5O7

分子量

555.6

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

[Leu5]-Enkephalin is chemically L-Tyrosylglycylglycyl-L-phenylalanyl-L-leucine. [Leu5]-Enkephalin is supplied with detailed characterization data compliant with regulatory guideline. [Leu5]-Enkephalin 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 Leucine. 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/leucine-enkephalin-cas-58822-25-6/

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Leucine EP 杂质 C CAS号 63-91-2

基本信息

CAS(化学文摘登记)号

63-91-2

英文名称

Leucine EP 杂质 C

英文化学名

(2S)-2-Amino-3-phenylpropanoic acid (as per EP)

简化分子线性输入规范(SMILES)

[H][C@](C(O)=O)(N)CC1=CC=CC=C1

分子式

C9H11NO2

分子量

165.2

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

Leucine EP Impurity C is chemically (2S)-2-Amino-3-phenylpropanoic acid (as per EP). It is also known as Phenylalanine (EP). Leucine EP Impurity C is supplied with detailed characterization data compliant with regulatory guideline. Leucine EP 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 Leucine. 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/leucine-ep-impurity-c-cas-63-91-2/

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Fmoc-D-Ser(tBu)-OH CAS号 128107-47-1

基本信息

CAS(化学文摘登记)号

128107-47-1

英文名称

Fmoc-D-Ser(tBu)-OH

英文化学名

N-(((9H-Fluoren-9-yl)methoxy)carbonyl)-O-(tert-butyl)-D-serine

简化分子线性输入规范(SMILES)

O=C(N[C@@H](C(O)=O)COC(C)(C)C)OCC1C(C=CC=C2)=C2C3=CC=CC=C13

分子式

C22H25NO5

分子量

383.4

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

Fmoc-D-Ser(tBu)-OH is chemically N-(((9H-Fluoren-9-yl)methoxy)carbonyl)-O-(tert-butyl)-D-serine. Fmoc-D-Ser(tBu)-OH is supplied with detailed characterization data compliant with regulatory guideline. Fmoc-D-Ser(tBu)-OH 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 Leucine. 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/leucine-impurity-5-cas-128107-47-1/

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N-Nitroso Leucine 杂质 CAS号 78814-91-2

基本信息

CAS(化学文摘登记)号

78814-91-2

英文名称

N-Nitroso Leucine 杂质

英文化学名

N-Acetyl-N-nitroso-L-leucine

简化分子线性输入规范(SMILES)

OC([C@H](CC(C)C)N(N=O)C(C)=O)=O

分子式

C8H14N2O4

分子量

202.2

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

N-Nitroso Leucine Impurity is chemically N-Acetyl-N-nitroso-L-leucine. N-Nitroso Leucine Impurity is supplied with detailed characterization data compliant with regulatory guideline. N-Nitroso Leucine 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 Leucine. 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/n-nitroso-leucine-impurity-cas-78814-91-2/

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Leucine 杂质 10 CAS号 1185984-34-2

基本信息

CAS(化学文摘登记)号

1185984-34-2

英文名称

Leucine 杂质 10

英文化学名

Isopropyl (((9H-fluoren-9-yl)methoxy)carbonyl)-L-alaninate

简化分子线性输入规范(SMILES)

O=C(N[C@@H](C)C(OC(C)C)=O)OCC1C2=CC=CC=C2C3=CC=CC=C13

分子式

C21H23NO4

分子量

353.4

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

Leucine Impurity 10 is chemically Isopropyl (((9H-fluoren-9-yl)methoxy)carbonyl)-L-alaninate. Leucine Impurity 10 is supplied with detailed characterization data compliant with regulatory guideline. Leucine Impurity 10 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 Leucine. 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/leucine-impurity-10-cas-1185984-34-2/

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L-tert-Leucine CAS号 20859-02-3

基本信息

CAS(化学文摘登记)号

20859-02-3

英文名称

L-tert-Leucine

英文化学名

(S)-2-Amino-3,3-dimethylbutanoic acid

简化分子线性输入规范(SMILES)

N[C@H](C(O)=O)C(C)(C)C

分子式

C6H13NO2

分子量

131.2

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

L-tert-Leucine is chemically (S)-2-Amino-3,3-dimethylbutanoic acid. L-tert-Leucine is supplied with detailed characterization data compliant with regulatory guideline. L-tert-Leucine 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 Leucine. 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/l-tert-leucine-cas-20859-02-3/

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Leucine 杂质 6 CAS号 22146-59-4

基本信息

CAS(化学文摘登记)号

22146-59-4

英文名称

Leucine 杂质 6

英文化学名

(S)-2-Acetamido-3,3-dimethylbutanoic acid

简化分子线性输入规范(SMILES)

CC(C)(C)[C@@H](C(O)=O)NC(C)=O

分子式

C8H15NO3

分子量

173.2

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

Leucine Impurity 6 is chemically (S)-2-Acetamido-3,3-dimethylbutanoic acid. Leucine Impurity 6 is supplied with detailed characterization data compliant with regulatory guideline. Leucine 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 Leucine. 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/leucine-impurity-6-cas-22146-59-4/

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Leucine EP 杂质 D CAS号 31872-98-7

基本信息

CAS(化学文摘登记)号

31872-98-7

英文名称

Leucine EP 杂质 D

英文化学名

(2S)-2-Amino-5-methylhexanoic acid (as per EP)

简化分子线性输入规范(SMILES)

CC(C)CC[C@@]([H])(C(O)=O)N

分子式

C7H15NO2

分子量

145.2

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

Leucine EP Impurity D is chemically (2S)-2-Amino-5-methylhexanoic acid (as per EP). It is also known as 5-Methyl-norleucine (EP). Leucine EP Impurity D is supplied with detailed characterization data compliant with regulatory guideline. Leucine EP Impurity D 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 Leucine. 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/leucine-ep-impurity-d-cas-31872-98-7/

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Leucine EP 杂质 A CAS号 73-32-5

基本信息

CAS(化学文摘登记)号

73-32-5

英文名称

Leucine EP 杂质 A

英文化学名

(2S,3S)-2-Amino-3-methylpentanoic acid (as per EP)

简化分子线性输入规范(SMILES)

CC[C@]([H])(C)[C@]([H])(N)C(O)=O

分子式

C6H13NO2

分子量

131.2

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

Leucine EP Impurity A is chemically (2S,3S)-2-Amino-3-methylpentanoic acid (as per EP). It is also known as L-Isoleucine (USP). Leucine EP Impurity A is supplied with detailed characterization data compliant with regulatory guideline. Leucine 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 Leucine. 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/leucine-ep-impurity-a-cas-73-32-5/

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N-Fmoc-D-leucine CAS号 114360-54-2

基本信息

CAS(化学文摘登记)号

114360-54-2

英文名称

N-Fmoc-D-leucine

英文化学名

(((9H-Fluoren-9-yl)methoxy)carbonyl)-D-leucine

简化分子线性输入规范(SMILES)

O=C(N[C@@H](C(O)=O)CC(C)C)OCC1C(C=CC=C2)=C2C3=CC=CC=C13

分子式

C21H23NO4

分子量

353.4

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

N-Fmoc-D-leucine is chemically (((9H-Fluoren-9-yl)methoxy)carbonyl)-D-leucine. N-Fmoc-D-leucine is supplied with detailed characterization data compliant with regulatory guideline. N-Fmoc-D-leucine 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 Leucine. 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/leucine-impurity-3-cas-114360-54-2/

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