China (Mainland)
L-Leucine CAS：61-90-5 CAS NO.61-90-5
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- Min.Order: 1 Kilogram
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- Product Details
Keywords
- L-Leucine
- CAS：61-90-5
- L-Leucine CAS：61-90-5
Quick Details
- ProName: L-Leucine CAS：61-90-5
- CasNo: 61-90-5
- Molecular Formula: C6H13NO2
- Appearance: White crystals or crystals powde
- Application: medical intermediate
- DeliveryTime: 3 days
- PackAge: 10g/bag,100g/bag,1kg/bag, 10kg/drum,25...
- ProductionCapacity: 25 Kilogram/Month
- Purity: 99%
- Storage: Seal kept ventilated place
- Transportation: safe & timely
- LimitNum: 1 Kilogram
- Related Substances: meet a criterion
- Residue on Ignition: Meets the requirements
- Heavy Metal: Meets the requirements
- Valid Period: 2years
Superiority
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2. Competitive price in China market
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4. Professional logistic support
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6. Fast shipment by reputed shipping line
7. Packing with pallet as buyer's special request
8. Best service after shipment with e mail
9. Cargoes together with container after-sales service available
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11. Raw materials from Chinese origin
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Details
| Product Name: | L-Leucine |
| Synonyms: | (s)-2-amino-4-methylvalericacid;1-Leucine;2-Amino-4-methylpentanoic acid;2-amino-4-methylpentanoicacid;2-amino-4-methyl-valericaci;4-methyl-l-norvalin;4-methyl-norvalin;alpha-Amino-gamma-methylvaleric acid |
| CAS: | 61-90-5 |
| MF: | C6H13NO2 |
| MW: | 131.17 |
| EINECS: | 200-522-0 |
| Product Categories: | Food and Feed Additive;Amino Acid Derivatives;Leucine [Leu, L];Amino Acids;Amino Acids and Derivatives;alpha-Amino Acids;Biochemistry;Nutritional Supplements;L-Amino Acids;Amino Acids;amino |
| Mol File: | 61-90-5.mol |
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| L-Leucine Chemical Properties |
| Melting point | >300 °C(lit.) |
| alpha | 15.4 º (c=4, 6N HCl) |
| density | 1,293 g/cm3 |
| FEMA | 3297 |
| Fp | 145-148°C |
| storage temp. | Store at RT. |
| solubility | 1 M HCl: 50 mg/mL |
| form | powder |
| Water Solubility | 22.4 g/L (20 C) |
| Sublimation | 145-148 ºC |
| Merck | 14,5451 |
| BRN | 1721722 |
| Stability: | Stability Moisture and light sensitive. Incompatible with strong oxidising agents. |
| CAS DataBase Reference | 61-90-5(CAS DataBase Reference) |
|
Item |
Limit |
Result |
|
Description |
White crystals or crystals powder |
White crystals powder |
|
Identification |
Infrared absorption |
Conforms |
|
Specific rotation[a]D20° |
+14.9°～+17.3° |
+15.8° |
|
State of solution |
≥98.0% |
≥98.6% |
|
Chloride(Cl) |
≤0.050% |
0.030% |
|
Sulfate(SO4) |
≤0.030% |
0.015% |
|
Iron(Fe) |
≤30PPm |
10PPm |
|
Heavy metals(Pb) |
≤15PPm |
5PPm |
|
Lead (Pb) |
≤5PPm |
0.3PPm |
|
Arsenic(As2O3) |
≤1PPm |
0.2PPm |
|
Other amino acids |
Conforms |
Conforms |
|
Organic volatile impurities |
Meets the requirements |
Conforms |
|
Residual solvents |
Meets the requirements |
Conforms |
|
Loss on drying |
≤0.20% |
0.10% |
|
Residue on ignition (Sulfated) |
≤0.10% |
0.05% |
|
Solubility in water |
Meets the requirements |
Conforms |
|
Assay |
98.5～101.5% |
99.5% |
|
PH |
5.5～6.5 |
5.60 |
|
Conclusion |
Qualified (usp32) |
|