Product No.: CY153CAS: 7048-04-6In Stock
L-半胱氨酸盐酸盐一水合物 L-Cysteine Hydrochloride Monohydrate
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
$459.00
Stock: 1000 unit
25kg/Drum
$2,180.25
Stock: 100 unit
Quantity
Remaining 100 unit
Selected Configuration1kg/Bag × 1
Total$130.00
Application Scenarios
CHO Cell CultureVaccine ProductionMonoclonal Antibody R&D
Quality Specifications
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