Cas no for 20859-02-3,L-2-Amino-3,3-dimethylbutanoic acid ACID Cas number search msds database,online free cas number chemistry search engine,cas number sigma aldrich

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Home > CAS No. Inquiry > 20859-02-3

20859-02-3

[CAS Name] L-2-Amino-3,3-dimethylbutanoic acid

[Formula] C6H13NO2

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Basica Info

[CAS Name]L-2-Amino-3,3-dimethylbutanoic acid
[Alias]L-valine,3-methyl; L-tert-Leucine; 2-amino-3,3-dimethyl-butanoic acid; 2-Amino-3,3-dimethylbutanoic acid; 3-Methyl-l-valine; D-t-Butylglycine; NSC203785; 3-methylvaline
[Number]20859-02-3
[EINECS]424-750-7
[Formula]C6H13NO2
[Molecular weight]131.1729

[Melting point]300℃
[Boiling point]217.7°C at 760 mmHg
[Density]0.0499mmHg at 25°C
[Flash point]85.5°C

20859-02-3 Suppliers

Company

Main Products

Hangzhou Celor Chemical Co.,Ltd.

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Hunan Flag Bio-technology Co.,Ltd.

用于合成HIV蛋白酶抑制剂，合成艾滋病用药阿扎那韦，丙肝药物波普瑞韦和特拉匹韦。

Be used for synthesis of Atazanavir for anti-HIV Drug and Boceprevir and telaprevir for

Anti-HCV drug.

项目

Item

指标

Specification

外观

Appearance

白色晶体或白色粉末

A white to off- white powder

鉴别

Identification

HPLC RT

比旋度

Specific rotation

-8～-11°

干燥失重

Loss on drying

≤0.5%

炽灼残渣

Residue on ignition

≤0.5%

液相纯度

Purity by HPLC

≥99.0%

含量( Assay)

98.0%～101.0%

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Shanghai Massive Chemical Technology Co., Ltd.

Chemical Name:	L-tert-Leucine
Molecular Formula:	C6H13NO2
Formula Weight:	131.17
CAS No.:	20859-02-3

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