1.05360
L-Leucine
for biochemistry
別名:
L-Leucine, Leu
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この商品について
実験式（ヒル表記法）:
C6H13NO2
CAS番号:
分子量:
131.17
UNSPSC Code:
12352209
EC Index Number:
200-522-0
NACRES:
NA.21
MDL number:
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)
InChI key
ROHFNLRQFUQHCH-UHFFFAOYSA-N
vapor pressure
<1 hPa ( 20 °C)
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
Quality Level
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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 %
保管分類
11 - Combustible Solids
wgk
WGK 1
試験成績書（COA）
製品のロット番号・バッチ番号を入力して、試験成績書（COA） を検索できます。ロット番号・バッチ番号は、製品ラベルに「Lot」または「Batch」に続いて記載されています。
グローバルトレードアイテム番号
| カタログ番号 | GTIN |
|---|---|
| 1.05360.9010 | 04022536692722 |
| 1.05360.0250 | 04022536063508 |
ライフサイエンス、有機合成、材料科学、クロマトグラフィー、分析など、あらゆる分野の研究に経験のあるメンバーがおります。.
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