L-Proline

• Catalog No.: 81710
• CAS Number: 147-85-3
• M. F.: C5H9NO2
• M. W.: 115.13046
• Purity: ≥99.0% (NT)

SYNONYMS

• Title: L-脯氨酸
• IUPAC name: (2S)-pyrrolidine-2-carboxylic acid
• IUPAC Traditional name: L-proline
• Synonyms: (S)-Pyrrolidine-2-carboxylic acid; (S)-吡咯烷-2-羧酸

DATABASE IDS

• MDL Number: MFCD00064318
• CAS Number: 147-85-3
• Beilstein Number: 80810
• EC Number: 205-702-2
• PubChem SID: 24887886

PROPERTIES

• Antion Traces: chloride (Cl-): ≤100 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+: ≤20 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
• Empirical Formula (Hill Notation): C5H9NO2
• Ignition Residue: ≤0.1% (as SO4)
• Impurities: ≤0.3% foreign amino acids
• Loss on Drying: ≤0.2% loss on drying, 110 °C
• Purity: ≥99.0% (NT)
• Melting Point: 228 °C (dec.)(lit.)
• Optical Rotation: [α]20/D -84.5±1°, c = 5% in H2O
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• RTECS: TW3584000
• German water hazard class: 1

DETAILS

Description (English)

Other Notes
Proline-catalyzed asymmetric Robinson annelation1; Asymmetric self-condensation of β-ionylideneacetaldehyde, retinal and related compounds2

Description (简体中文)

Other Notes
脯氨酸催化的不对称 Robinson 环化1;β-紫罗兰叉乙醛、视黄醛和相关化合物的不对称自缩合反应2