L-半胱氨酸盐酸盐一水合物 L-Cysteine Hydrochloride Monohydrate
产品编号: CY153CAS: 7048-04-6现货

L-半胱氨酸盐酸盐一水合物 L-Cysteine Hydrochloride Monohydrate

本品经过严格的细菌内毒素与微生物限度控制,适用于对热原要求严苛的生物制品及注射剂级研发。

选择规格
* COA 批次号随货同步更新

1kg/Bag

¥700.00

库存: 100 件

5kg/Drum

¥3,000.00

库存: 1000 件

25kg/Drum

¥14,250.00

库存: 100 件

采购数量
剩余库存 100
已选规格配置1kg/Bag × 1
合计¥700.00

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

性状 Description
白色或类白色结晶或结晶性粉末;有臭。本品在水中易溶,在乙醇中略溶,在丙酮中几乎不溶。 White or off-white crystals or crystalline powders; Stinky. This product is soluble in water, slightly soluble in ethanol, and almost insoluble in acetone.
鉴别 Identification (1)
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 principal spot in the chromatogram obtained with the test solution is similar in position and color to the principal spot in the chromatogram obtained with the reference solution.
鉴别 Identification (2)
本品的红外光吸收图谱应与对照的图谱(光谱集816)一致。 Compare the infrared absorption spectrum of the sample with that of the standard atlas 816.
比旋度 Specific optical rotation[α]D20
+5.5° ~ +7.0°
酸 度 pH
1.5 ~2.0
透光率 Transmittance
≥98.0%
含氯量 Chloride
19.8% ~ 20.8%
硫酸盐 Sulfate
≤0.02%
铁盐 Iron
≤0.001%
重 金属 Heavy metals
≤0.001%
砷盐 Arsenic
≤0.0001%
干燥失重 Loss on Drying
8.0% ~ 12.0%
炽灼残渣 Residue on ignition
≤0.1%
其他氨基酸 Other amino acids
≤0.5%
含 量 Assay
98.5% ~ 101.0%
微生物限度 Microbiological examination
需氧菌总数Total aerobic microbial count ≤50cfu/g; 霉菌和酵母菌总数Total yeasts and moulds count ≤10cfu/g
细菌内毒素 Endotoxin
<12EU/g