L-Leucine

• Catalog No.: 61820
• CAS Number: 61-90-5
• M. F.: C6H13NO2
• M. W.: 131.17292
• Purity: ≥99.0% (NT)

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

• 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: 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: Mg: ≤5 mg/kg
• Cation Traces: Mn: ≤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: Zn: ≤5 mg/kg
• Ignition Residue: ≤0.1% (as SO4)
• Impurities: ≤0.3% foreign amino acids
• Linear Formula: (CH3)2CHCH2CH(NH2)CO2H
• Loss on Drying: ≤0.1% loss on drying, 110 °C
• Purity: ≥99.0% (NT)
• Melting Point: >300 °C(lit.)
• Optical Rotation: [α]20/D +15.5±1.0°, c = 5% in 5 M HCl
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• German water hazard class: 1