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L-Leucine

Catalog No. 61819 Name Sigma Aldrich
CAS Number 61-90-5 Website http://www.sigmaaldrich.com
M. F. C6H13NO2 Telephone 1-800-521-8956
M. W. 131.17292 Fax
Purity ≥99.5% (NT) Email
Storage Chembase ID: 35

SYNONYMS

Title
L-亮氨酸
IUPAC name
(2S)-2-amino-4-methylpentanoic acid
IUPAC Traditional name
L-leucine
Synonyms
(S)-2-Amino-4-methylpentanoic acid
(S)-2-氨基-4-甲基戊酸

DATABASE IDS

PubChem SID 24874858
Beilstein Number 1721722
CAS Number 61-90-5
MDL Number MFCD00002617
EC Number 200-522-0

PROPERTIES

Antion Traces chloride (Cl-): ≤200 mg/kg
Antion Traces sulfate (SO42-): ≤100 mg/kg
Cation Traces Al: ≤5 mg/kg
Cation Traces As: ≤0.1 mg/kg
Cation Traces Ba: ≤5 mg/kg
Cation Traces Bi: ≤5 mg/kg
Cation Traces Ca: ≤10 mg/kg
Cation Traces Cd: ≤5 mg/kg
Cation Traces Co: ≤5 mg/kg
Cation Traces Cr: ≤5 mg/kg
Cation Traces Cu: ≤5 mg/kg
Cation Traces Fe: ≤5 mg/kg
Cation Traces K: ≤50 mg/kg
Cation Traces Li: ≤5 mg/kg
Cation Traces Mg: ≤5 mg/kg
Cation Traces Mn: ≤5 mg/kg
Cation Traces Mo: ≤5 mg/kg
Cation Traces NH4+: ≤100 mg/kg
Cation Traces Na: ≤100 mg/kg
Cation Traces Ni: ≤5 mg/kg
Cation Traces Pb: ≤5 mg/kg
Cation Traces Sr: ≤5 mg/kg
Cation Traces Zn: ≤5 mg/kg
Ignition Residue ≤0.1%
Impurities insoluble matter, passes filter test
Impurities ≤0.3% foreign amino acids
λ 0.1 M in 1 M HCl
Linear Formula (CH3)2CHCH2CH(NH2)CO2H
Loss on Drying ≤0.1% loss on drying, 20 °C (HV)
Product Line BioUltra
Purity ≥99.5% (NT)
Absorption Wavelength λ: 260 nm Amax: 0.05
Absorption Wavelength λ: 280 nm Amax: 0.05
Melting Point >300 °C(lit.)
Optical Rotation [α]20/D +15.5±0.5°, c = 5% in 5 M HCl
Solubility 1 M HCl: soluble0.1 M at 20 °C, clear, colorless
MSDS Link Download
Personal Protective Equipment Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
German water hazard class 1

DETAILS

Description (English)
Other Notes
As spacer in isotachophoresis of serum proteins1,2; Growth requirement of various microorganisms3
Description (简体中文)
Other Notes
As spacer in isotachophoresis of serum proteins1,2; Growth requirement of various microorganisms3

REFERENCES