Substance
ID:351503
Names and Identifiers
IUPAC name
(2S)-2-amino-4-methylpentanoic acid
IUPAC Traditional name
L-leucine
Synonyms
(S)-2-氨基-4-甲基戊酸L-LeucineL-亮氨酸(S)-2-Amino-4-methylpentanoic acid
Registration numbers
CAS Number
MDL Number
Beilstein Number
EC Number
PubChem SID
Properties
Product Information
Cation Traces
Ca: ≤10 mg/kg
Al: ≤5 mg/kg
Bi: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Ni: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Cu: ≤5 mg/kg
K: ≤50 mg/kg
NH4+: ≤100 mg/kg
Na: ≤100 mg/kg
Co: ≤5 mg/kg
Li: ≤5 mg/kg
Zn: ≤5 mg/kg
Cr: ≤5 mg/kg
Mg: ≤5 mg/kg
Pb: ≤5 mg/kg
Cd: ≤5 mg/kg
Fe: ≤5 mg/kg
Sr: ≤5 mg/kg
Loss on Drying
≤0.1% loss on drying, 20 °C (HV)
Impurities
insoluble matter, passes filter test
≤0.3% foreign amino acids
Antion Traces
chloride (Cl-): ≤200 mg/kg
sulfate (SO42-): ≤100 mg/kg
Linear Formula
(CH3)2CHCH2CH(NH2)CO2H
Product Line
BioUltra
Ignition Residue
≤0.1%
Purity
≥99.5% (NT)
λ
0.1 M in 1 M HCl
Physical Property
Solubility
1 M HCl: soluble0.1 M at 20 °C, clear, colorless
Absorption Wavelength
λ: 260 nm Amax: 0.05
λ: 280 nm Amax: 0.05
Optical Rotation
[α]20/D +15.5±0.5°, c = 5% in 5 M HCl
Melting Point
>300 °C(lit.)
Safety Information
MSDS Link
Personal Protective Equipment
Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
German water hazard class
1
Molecule Details
Other Notes
As spacer in isotachophoresis of serum proteins1,2; Growth requirement of various microorganisms3
As spacer in isotachophoresis of serum proteins1,2; Growth requirement of various microorganisms3
Molecular Spectra
No Data Available
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References
No Data Available
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