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ChemMallEndotoxin & Microbe Controlled
苏氨酸 L-Threonine
Product No.: TH613CAS: 72-19-5In Stock

苏氨酸 L-Threonine

苏氨酸 L-Threonine. High purity pharma grade, widely used in the preparation of mammalian cell culture media, supporting efficient and stable cell growth. This product undergoes strict bacterial endotoxin and microbial limit controls, suitable for biologics and injectable-grade R&D with stringent pyrogen requirements.

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* COA batch numbers are updated in real-time

1kg/Bag

$130.00

Stock: 100 unit

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5kg/Drum

$473.00

Stock: 100 unit

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25kg/Drum

$2,246.75

Stock: 100 unit

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Quantity
Remaining 100 unit
Selected Configuration1kg/Bag × 1
Total$130.00

Application Scenarios

CHO Cell CultureVaccine ProductionMonoclonal Antibody R&D

Quality Specifications

【性状】 【Characters】
应为白色结晶或结晶性粉末；无臭。本品在水中溶解，在乙醇中几乎不溶 It should be white crystals or crystalline powder; odorless. It is soluble in water, practically insoluble in ethanol.
比旋度 Specific rotation
应为-26.0° ～-29.0° It should be -26.0° ～-29.0°
【鉴别】(1) 化学鉴别 【Identification】(1) Chemical identification
应呈正结果 It should show positive result.
【鉴别】(2) 薄层色谱 【Identification】(2) Thin-layer chromatography
供试品溶液所显主斑点的位置和颜色应与对照品溶液的主斑点相同 The position and color of the main spot from the test solution should be the same as that from the reference solution.
【鉴别】(3) 红外光谱 【Identification】(3) Infrared spectrum
红外光吸收图谱应与对照的图谱（光谱集 957 图）一致 The infrared absorption spectrum should be consistent with the reference spectrum (Spectra Collection No. 957).
【检查】酸度 【Check】pH
应为 5.0～6.5 It should be 5.0～6.5
溶液的透光率 Transmittance of solution
在 430nm 的波长处应不得低于 98.0% At wavelength 430nm, it should not be less than 98.0%.
氯化物 Chlorides
应不得过 0.02% It should not exceed 0.02%.
硫酸盐 Sulfates
应不得过 0.02% It should not exceed 0.02%.
铵盐 Ammonium salts
应不得过 0.02% It should not exceed 0.02%.
其他氨基酸 Other amino acids
应不得过 0.5%，且不得超过 1 个 It should not exceed 0.5%, and no more than 1 spot.
干燥失重 Loss on drying
应不得过 0.2% It should not exceed 0.2%.
炽灼残渣 Residue on ignition
应不得过 0.1% It should not exceed 0.1%.
铁盐 Iron
应不得过 0.001% It should not exceed 0.001%.
重金属 Heavy metals
应不得过百万分之十 It should not exceed 10 ppm.
砷盐 Arsenic
应不得过 0.0001% It should not exceed 0.0001%.
细菌内毒素 Bacterial endotoxins
应小于 12EU/g It should be less than 12 EU/g.
【含量测定】 【Assay】
按干燥品计算，含苏氨酸(C4H9NO3)不得少于 98.5% Calculated on the dried basis, it contains L-threonine (C4H9NO3) not less than 98.5%.