- Min.Order :1 Kilogram
- Purity: 98%
- Payment Terms : L/C,D/A,D/P,T/T
Keywords
L-Cystine dihydrochloride Cystine Cys
Quick Details
- Appearance:White crystal or crystalline powder
- Application:pharmaceutical intermediate, culture medium
- PackAge:25kg/drum
- ProductionCapacity:10|Metric Ton|Month
- Storage:room temperature
- Transportation:by sea,by air
Superiority:
Goods in stock.
We are the biggest manufacturer of this product in China. Usually we keep 2 to 3mt stock.
Our monthly output is about 10mt.
The purity is more than 98.0%
Details:
|
检验项目 Test Item |
标准规定 Specification |
|
外观 Appearance |
白色结晶或结晶性粉末 White crystal or crystalline powde |
|
比旋光度 Specific Rotation[α]20/D |
-152°～ -167°(C=2,2NHCL) |
|
透过率 Transmit tance |
≥98.0% |
|
硫酸盐 Sulphate（SO42-） |
≤0.02% |
|
铁盐 Iron(Fe) |
≤10ppm |
|
灼烧残渣 Residue on ignition |
≤0.10% |
|
重金属 Heavy metal(Pb) |
≤10ppm |
|
含量Assay |
98.5%～101.0% |
|
干燥失重Loss on drying |
≤1.0% |
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