61819
L-Leucine
≥99.5% (NT), suitable for NMR, BioUltra
Synonym(s):
(S)-2-Amino-4-methylpentanoic acid
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
25 g | Check Cart for Availability | $90.50 |
100 g | Check Cart for Availability | $304.00 |
About This Item
$90.50
Product Name
L-Leucine, BioUltra, ≥99.5% (NT)
product line
BioUltra
Quality Segment
assay
≥99.5% (NT)
form
powder or crystals
optical activity
[α]20/D +15.5±0.5°, c = 5% in 5 M HCl
technique(s)
NMR: suitable
impurities
insoluble matter, passes filter test, ≤0.3% foreign amino acids
ign. residue
≤0.1%
loss
≤0.1% loss on drying, 20 °C (HV)
color
white
mp
>300 °C (lit.)
solubility
1 M HCl: 0.1 M at 20 °C, clear, colorless
anion traces
chloride (Cl-): ≤200 mg/kg, sulfate (SO42-): ≤100 mg/kg
cation traces
Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤50 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, NH4+: ≤100 mg/kg, Na: ≤100 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg
λ
0.1 M in 1 M HCl
UV absorption
λ: 260 nm Amax: 0.05, λ: 280 nm Amax: 0.05
SMILES string
CC(C)C[C@H](N)C(O)=O
InChI
1S/C6H13NO2/c1-4(2)3-5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t5-/m0/s1
InChI key
ROHFNLRQFUQHCH-YFKPBYRVSA-N
Other Notes
1 of 1
This Item | |||
|---|---|---|---|
| description BioUltra, ≥99.5% (NT) | description 99%, FG | description certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland | description from non-animal source, meets EP, JP, USP testing specifications, suitable for cell culture, 98.5-101.0% |
| form powder or crystals | form - | form - | form powder |
| technique(s) NMR: suitable | technique(s) - | technique(s) gas chromatography (GC): suitable, HPLC: suitable | technique(s) cell culture | mammalian: suitable |
| assay ≥99.5% (NT) | assay 99% | assay - | assay 98.5-101.0% |
| product line BioUltra | product line - | product line TraceCERT® | product line - |
| mp >300 °C (lit.) | mp >300 °C (lit.) | mp >300 °C (lit.) | mp >300 °C (lit.) |
| color white | color - | color white | color white |
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Storage Class
11 - Combustible Solids
WGK
WGK 1
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
PPE (personal protective equipment)
Eyeshields, Gloves, type N95 (US)
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