Product No.: CY649CAS: 30925-07-6In Stock
L-胱氨酸二盐酸盐 L-Cystine Dihydrochloride
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
$887.00
Stock: 100 unit
25kg/Drum
$4,720.00
Stock: 100 unit
Quantity
Remaining 100 unit
Selected Configuration1kg/Bag × 1
Total$201.00
Application Scenarios
CHO Cell CultureVaccine ProductionMonoclonal Antibody R&D
Quality Specifications
性状 Description
白色或淡黄色结晶性粉末。 White or light yellow crystalline powder.
比旋度 Specific optical rotation[α]D20
-164° ～ -174°
透光率 Transmittance
≥ 95.0%
干燥失重 Loss on Drying
≤ 0.30%
炽灼残渣 Residue on ignition
≤ 0.1%
含 氯 量 Chloride
22.18 to 23.09%
硫酸盐 Sulfate
≤0.030%
铁盐 Iron
≤30ppm
铵盐 Ammonium
≤0.03%
砷盐 Arsenic
≤1ppm
其他氨基酸 Other amino acids
≤0.2%
含 量 Assay
98.0 to 102.0 %
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
＜6EU/g