L-tert-leucine

Min.Order / FOB Price:Get Latest Price

1 Kilogram	FOB Price:USD 64.5000 -70.0000

1 Kilogram

FOB Price:USD 64.5000 -70.0000

Min.Order :1 Kilogram
Purity: 99%
Payment Terms : L/C,T/T,

Keywords

L-tert-leucine L-tert-leucine Atazanavir

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Appearance:white
Application:CAS:20859-02-3 L - tertiary leucine is widely used in synthesis of inhibitors, biological active peptide, anticancer and antiviral drugs, such as drugs, such as HIV, wei (Atazanavir), drug hepatitis
PackAge:Neutral packing
ProductionCapacity:2|Metric Ton|Month
Storage:Avoid light, seal preservation
Transportation:sea or air

Superiority:

NAME:L-tert-leucine

CAS:20859-02-3

Assay:99%

EE:99%

Price:84.7USD per kg(550RMB per kg)

REPORT FOR TESTING QUALITY

产品名称 Produt Name：L-叔亮氨酸 L-TERT-LEUCINE
批号Batch No.：20151020	生产日期 Manufacture Date：2015-10-20
包装 Packing：25 kg per bag	有效期至 Expiry Date：2017-10-20
数量Quantity：500 kg	报告日期 Report Date：2015-10-21
标准 Standard：企业标准 Enterpise Standard

项目 Items	标准 Specifications	结果 Results
外观 Appearance	白色或类白色粉末 White to off-white powder	Conforms
鉴别 Identification	红外谱图 Ir spectrum	Conforms
溶解度 Solubility	溶解度 Solubility in water	Conforms
重金属含量 Heavy metals	≤10 ppm	Conforms
干燥失重 Loss on drying	≤0.50%	0.30%
灼烧残渣 Residue on ignition	≤0.50%	0.05%
比旋度 Specific rotation [α]_D²⁰	-8.0° ~ -11.0°	-8.9°
含量 Assay	99.0~101.0%	99.30%
e.e.	≥99%	100%
结论：本品经检测，符合企业标准指标规定。 Conclusion：Passed test according to the standard.

检验员：审核员：

Analyst： Checker：

Details:

NAME:L-tert-leucine

CAS:20859-02-3

Assay:99%

EE:99%

Price:84.7USD per kg(550RMB per kg)

L - leucine is a nonprotein source of chiral amino acids, due to the hydrophobic tert-butyl side chain has a bigger space steric hindrance, can be used for asymmetric synthesis of chiral inducer and asymmetrical separation of split reagent, in the synthesis of compound, it can effectively control the molecular conformation. As an important kind of pharmaceutical intermediates, L - uncle leucine is widely used in synthesis of inhibitors, biological active peptide, anticancer and antiviral drugs, such as drugs, such as HIV, wei (Atazanavir), drug hepatitis c virus (HCV) pop rui wei (Boceprevir), to pull a horse wei (Telaprevir), Narlaprevir and Vaniprevir. Therefore, is expected to the pharmaceutical industry, the demand for L - uncle leucine will present the trend of rising year by year. Along with our country social economy development and environmental protection consciousness enhancement, medicine and chemical industry need to not only improve the production capacity of L - uncle leucine, and need to create a green production process. My company using enzymatic production of L - uncle leucine, process

REPORT FOR TESTING QUALITY

产品名称 Produt Name：L-叔亮氨酸 L-TERT-LEUCINE
批号Batch No.：20151020	生产日期 Manufacture Date：2015-10-20
包装 Packing：25 kg per bag	有效期至 Expiry Date：2017-10-20
数量Quantity：500 kg	报告日期 Report Date：2015-10-21
标准 Standard：企业标准 Enterpise Standard

项目 Items	标准 Specifications	结果 Results
外观 Appearance	白色或类白色粉末 White to off-white powder	Conforms
鉴别 Identification	红外谱图 Ir spectrum	Conforms
溶解度 Solubility	溶解度 Solubility in water	Conforms
重金属含量 Heavy metals	≤10 ppm	Conforms
干燥失重 Loss on drying	≤0.50%	0.30%
灼烧残渣 Residue on ignition	≤0.50%	0.05%
比旋度 Specific rotation [α]_D²⁰	-8.0° ~ -11.0°	-8.9°
含量 Assay	99.0~101.0%	99.30%
e.e.	≥99%	100%
结论：本品经检测，符合企业标准指标规定。 Conclusion：Passed test according to the standard.

检验员：审核员：

Analyst： Checker：

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L-tert-leucine

L-tert-leucine

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Quick Details

Superiority:

Details:

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