| Model: | - |
|---|---|
| Brand: | baishixing |
| Origin: | Made In China |
| Category: | Chemicals / Pharmaceutical Chemicals |
| Label: | - |
| Price: |
-
|
| Min. Order: | - |
| Last Online:05 Dec, 2014 |
Quick Details
Packaging & Delivery
| Packaging Details: | 25kg/drum |
|---|---|
| Delivery Detail: | within 30days |
Specifications
1.L-Leucine
2.CAS# :61-90-5
3.Assay:99%
4.Molecular formula:C6H13NO2
5.Molecular weight:131.17
Alias: (S)-2-Amino-4-methylpentanoic acid; L-Leucine 99+ %; H-Leu-OH; L-Leu; L(+)LEUCINE
1.L-Leucine
2.CAS# :61-90-5
3.Assay:99%
4.Molecular formula:C6H13NO2
5.Molecular weight:131.17
Appearance: White powder.
Type: Vitamins, Amino Acids and Coenzymes
Grade Standard: Food Grade
L-Leucine is used in pharmaceutical intermediates,life sciences,biochemical study,etc..
|
Item |
Standard |
Analysis result |
Item |
Standard |
Analysis result |
|
Specific rotation |
+14.9°~ +16.0° |
+15.75° |
Transmittance |
≥98.0% |
99.0% |
|
Assay |
98.5 ~ 100.5% |
99.6% |
Sulphate SO42- |
≤0.02% |
0.01% |
|
Ammonium NH4+ |
≤0.02% |
0.01% |
Iron(Fe) |
≤10ppm |
2ppm |
|
Heavy metal(Pb) |
≤10ppm |
2ppm |
Arsenic |
<1ppm |
<1ppm |
|
Residue on ignition |
≤0.1% |
0.05% |
Loss on drying |
≤0.2% |
0.1% |
|
p H |
\ |
\ |
Chloride(Cl) |
≤0.02% |
0.01%
|
