Product No.: SE390CAS: 56-45-1In Stock
丝氨酸 L-Serine
丝氨酸 L-Serine. 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.
Select Spec* COA batch numbers are updated in real-time
Select Spec
* COA batch numbers are updated in real-time5kg/Drum
$530.00
Stock: 1002 unit
25kg/Drum
$2,517.50
Stock: 100 unit
Quantity
Remaining 100 unit
Selected Configuration1kg/Bag × 1
Total$133.00
Application Scenarios
CHO Cell CultureVaccine ProductionMonoclonal Antibody R&D
Quality Specifications
【性状】 【Description】
应为白色结晶或结晶性粉末；无臭。本品在水中易溶，在乙醇、丙酮或乙醚中几乎不溶。
It should be white crystals or crystalline powder; odorless. This product is freely soluble in water, almost insoluble in ethanol, acetone or ether.
比旋度 Specific rotation
应为+14.0° ～+15.6°
should be +14.0° ～+15.6°
【鉴别】(1) 薄层色谱 【Identification】(1) 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 of the test solution should be the same as the main spot of the reference solution.
【鉴别】(2) 红外光谱 【Identification】(2) Infrared spectroscopy
红外光吸收图谱应与对照的图谱（光谱集 917 图）一致
The infrared absorption spectrum should be consistent with the reference spectrum (Spectrum Atlas 917).
【检查】酸度 【Tests】pH
应为 5.5～6.5
should be 5.5～6.5
【检查】溶液的透光率 【Tests】Transmittance of solution
在 430nm 的波长处应不得低于 98.0%
At 430nm wavelength, it should not be less than 98.0%.
【检查】氯化物 【Tests】Chlorides
应不得过 0.02%
should not exceed 0.02%
【检查】硫酸盐 【Tests】Sulfates
应不得过 0.02%
should not exceed 0.02%
【检查】铵盐 【Tests】Ammonium salts
应不得过 0.02%
should not exceed 0.02%
【检查】其他氨基酸 【Tests】Other amino acids
应不得过 0.5%
should not exceed 0.5%
【检查】干燥失重 【Tests】Loss on drying
应不得过 0.2%
should not exceed 0.2%
【检查】炽灼残渣 【Tests】Residue on ignition
应不得过 0.1%
should not exceed 0.1%
【检查】铁盐 【Tests】Iron salts
应不得过 0.001%
should not exceed 0.001%
【检查】重金属 【Tests】Heavy metals
应不得过百万分之十
should not exceed 10 parts per million
【检查】砷盐 【Tests】Arsenic salts
应不得过 0.0001%
should not exceed 0.0001%
【检查】细菌内毒素 【Tests】Bacterial endotoxins
应小于 12EU/g
should be less than 12EU/g
【含量测定】 【Assay】
按干燥品计算，含丝氨酸 (C3H7NO3) 应不得少于 98.5%
Calculated on the dried basis, contains L-Serine (C3H7NO3) should not be less than 98.5%