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Sigma-Aldrich L-Leucine For Biochemistry 250 g
List Price $248.04 Your Price $248.04
Sigma-Aldrich L-Leucine For Biochemistry 250 g - SIAL (Additional S&H or Hazmat Fees May Apply)
NETA PART: SIAL-1053600250
MFG.PART: 1053600250
UNSPSC: 12352209
Manufacturer: Sigma-Aldrich
vapor pressure
<1 hPa ( 20 °C)
Quality Level
100
pH
5.5-6.5 (20 °C, 20 g/L in H2O)
mp
270-340 °C (decomposition)
solubility
18.9 g/L
density
1.17 g/cm3 at 20 °C
bulk density
300‑400 kg/M3
storage temp.
2-30°C
SMILES string
NC(CC(C)C)C(=O)O
InChI
1S/C6H13NO2/c1-4(2)3-5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)
Application
- Novel recombinant aminoacylase from Paraburkholderia monticola capable of N-acyl-amino acid synthesis.: Highlights the synthetic application of L-Leucine in producing N-acyl-amino acids using engineered enzymes, showcasing its industrial and biotechnological potential (Haeger et Al., 2024).
Analysis Note
Assay (perchloric acid titration, calculated on dried substance): ≥ 99.0 %
Identity (IR-spectrum): passes test
Appearance: white to almost white, crystalline powder or shiny flakes
Appearance of solution (0.5 mol/L, hydrochloric acid 1 mol/L): clear and colorless
Spec. rotation (α 20/D, 50 g/L, hydrochloric acid 1 mol/L, calc. on dried substance): +12.2 to +13.2
UV-Absorption (260 nm, 0.5 mol/L, 1 cm, hydrochloric acid 1 mol/L): ≤ 0.05
UV-Absorption (280 nm, 0.5 mol/L, 1 cm, hydrochloric acid 1 mol/L): ≤ 0.02
Chloride (Cl): ≤ 0.02 %
Sulfate (SO₄): ≤ 0.01 %
Heavy metals (as Pb): ≤ 0.001 %
As (Arsenic): ≤ 0.0005 %
Ca (Calcium): ≤ 0.001 %
Co (Cobalt): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.0005 %
mg (Magnesium): ≤ 0.0005 %
Na (Sodium): ≤ 0.005 %
Zn (Zinc): ≤ 0.0005 %
NH₄ (Ammonium): ≤ 0.01 %
Isoleucine: ≤ 1.0 %
other foreign amino acids: ≤ 0.3 %
Other ninhydrine positive substances: ≤ 0.1 %
Loss on drying (105 °C; 3 H): ≤ 0.3 %
Identity (IR-spectrum): passes test
Appearance: white to almost white, crystalline powder or shiny flakes
Appearance of solution (0.5 mol/L, hydrochloric acid 1 mol/L): clear and colorless
Spec. rotation (α 20/D, 50 g/L, hydrochloric acid 1 mol/L, calc. on dried substance): +12.2 to +13.2
UV-Absorption (260 nm, 0.5 mol/L, 1 cm, hydrochloric acid 1 mol/L): ≤ 0.05
UV-Absorption (280 nm, 0.5 mol/L, 1 cm, hydrochloric acid 1 mol/L): ≤ 0.02
Chloride (Cl): ≤ 0.02 %
Sulfate (SO₄): ≤ 0.01 %
Heavy metals (as Pb): ≤ 0.001 %
As (Arsenic): ≤ 0.0005 %
Ca (Calcium): ≤ 0.001 %
Co (Cobalt): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.0005 %
mg (Magnesium): ≤ 0.0005 %
Na (Sodium): ≤ 0.005 %
Zn (Zinc): ≤ 0.0005 %
NH₄ (Ammonium): ≤ 0.01 %
Isoleucine: ≤ 1.0 %
other foreign amino acids: ≤ 0.3 %
Other ninhydrine positive substances: ≤ 0.1 %
Loss on drying (105 °C; 3 H): ≤ 0.3 %
Storage Class
11 - Combustible Solids
wgk_germany
WGK 1
| SKU | SIAL-1053600250 |
|---|---|
| Supplier Part Number | 1053600250 |
| UM | EA |
| UNSPSC | 12352209 |
| Manufacturer | Sigma-Aldrich |
| ProductLine | SIAL |
| Qty | 1 |
| MinOrderQty | 1 |
| Weight | 7.000000 |
| Lead Time | 9 |
| CAS Number | 61-90-5 |
| Energy Star | No |
| Green | No |
| Controlled | N |