产品编号: GL495CAS: 56-86-0现货
谷氨酸 L-Glutamic acid
谷氨酸 L-Glutamic acid。专业精细化工原料，一站式在线采购。提供高标准质量控制，支持精准搜索与 COA 在线下载。
选择规格* COA 批次号随货同步更新
选择规格
* COA 批次号随货同步更新采购数量
剩余库存 100 件
已选规格配置1kg/Bag × 1
合计¥650.00
推荐应用场景
CHO细胞培养疫苗生产单克隆抗体研发
质量检测标准
Physical Properties
应为白色结晶或结晶性粉末；本品在热水中溶解，在水中微溶，在乙醇、丙酮或乙醚中不溶，在稀盐酸或 1mol/L 氢氧化钠溶液中易溶。
Should be white crystals or crystalline powder; this product is soluble in hot water, slightly soluble in water, insoluble in ethanol, acetone, or ether, and readily soluble in dilute hydrochloric acid or 1mol/L sodium hydroxide solution.
Optical Rotation
应为+31.5° ～ +32.5°
Identification (1) TLC
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 those of the main spot of the reference solution.
Identification (2) IR Spectrum
红外光吸收图谱应与对照的图谱（光谱集 958 图）一致
The infrared absorption spectrum should be consistent with the reference spectrum (Spectrum No. 958).
Transmittance
在 430nm 的波长处应不得低于 98.0%
The transmittance at 430nm wavelength should not be less than 98.0%.
Chloride
应不得过 0.02%
Should not exceed 0.02%.
Sulfate
应不得过 0.02%
Should not exceed 0.02%.
Ammonium Salt
应不得过 0.02%
Should not exceed 0.02%.
Other Amino Acids
应不得过 0.5%
Should not exceed 0.5%.
Loss on Drying
应不得过 0.5%
Should not exceed 0.5%.
Residue on Ignition
应不得过 0.1%
Should not exceed 0.1%.
Iron
应不得过 0.0005%
Should not exceed 0.0005%.
Heavy Metals
应不得过百万分之十
Should not exceed 10 ppm.
Arsenic
应不得过 0.0001%
Should not exceed 0.0001%.
Pyrogen
符合规定
Complies with specification.
Assay
按干燥品计算，含谷氨酸 (C5H9NO4) 不得少于 98.5%
Calculated on the dry basis, the content of glutamic acid (C5H9NO4) should not be less than 98.5%.