61819
L-Leucine
≥99.5% (NT), suitable for NMR, BioUltra
Synonym(s):
(S)-2-Amino-4-methylpentanoic acid
About This Item
Recommended Products
product name
L-Leucine, BioUltra, ≥99.5% (NT)
product line
BioUltra
Quality Level
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
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Other Notes
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
Certificates of Analysis (COA)
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Articles
Inborn errors of metabolism are caused by changes in specific enzymatic reactions and hundreds of different such alterations, which affect about 1 of every 5000 newborns, have been characterized.
Chromatograms
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