L-Asparagine

• Catalog No.: 11150
• CAS Number: 70-47-3
• M. F.: C4H8N2O3
• M. W.: 132.11792
• Purity: ≥99.0% (NT)

SYNONYMS

• Title: L-天冬酰胺
• IUPAC name: (2S)-2-amino-3-carbamoylpropanoic acid
• IUPAC Traditional name: L-asparagine
• Synonyms: (S)-2-氨基琥珀酸-4-酰胺; (S)-2-Aminosuccinic acid 4-amide; L-天冬氨酸-4-酰胺; L-Aspartic acid 4-amide

DATABASE IDS

• MDL Number: MFCD00064401
• CAS Number: 70-47-3
• Beilstein Number: 1723527
• EC Number: 200-735-9

PROPERTIES

• Antion Traces: chloride (Cl-): ≤50 mg/kg
• Antion Traces: sulfate (SO42-): ≤100 mg/kg
• Cation Traces: Ca: ≤200 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: ≤50 mg/kg
• Cation Traces: Mn: ≤5 mg/kg
• Cation Traces: Na: ≤50 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: ≤0.1% foreign amino acids
• Linear Formula: H2NCOCH2CH(NH2)CO2H
• Purity: ≥99.0% (NT)
• Melting Point: 235 °C (dec.)(lit.)
• Optical Rotation: [α]20/D +35.0±0.5°, c = 5% in 5 M HCl
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• German water hazard class: 1