1.04506

L-Hydroxyproline

for biochemistry

• 别名: L-Hydroxyproline, L(-)-4-Hydroxypyrrolidine-2-carboxylic acid, Hyp
• 经验公式（希尔记法）: C₅H₉NO₃
• CAS号: 51-35-4
• 分子量: 131.13
• MDL编号: MFCD00066718
• UNSPSC代码: 12352209
• EC索引号: 200-091-9

属性

• 质量水平: 200
• 表单: solid
• pH值（酸碱度）: 5.5-6.5 (20 °C, 50 g/L in H₂O)
• mp: 274 °C
• 溶解性: 500 g/L
• 堆积密度: 610 kg/m³
• SMILES字符串: N1C(CC(C1)O)C(=O)O
• InChI: 1S/C5H9NO3/c7-3-1-4(5(8)9)6-2-3/h3-4,6-7H,1-2H2,(H,8,9)
• InChI key: PMMYEEVYMWASQN-UHFFFAOYSA-N

说明

分析说明

Assay (perchloric acid titration, calculated on dried substance): ≥ 99.0 %
Identity (IR-spectrum): passes test
Appearance: white to almost white, crystalline powder or colorless crystals
Appearance of solution (100 g/l, water): clear and colorless
Spec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance): -47.5 to -46.0
Heavy metals (as Pb): ≤ 0.001 %
NH₄ (Ammonium): ≤ 0.01 %
Foreign amino acids: ≤ 0.3 %
Other ninhydrine positive substances(as Glycine): ≤ 0.1 %
Methanol (GC): ≤ 0.3 %
Loss on drying (105 °C; 3 h): ≤ 0.4 %

安全信息

• 储存分类代码: 11 - Combustible Solids
• WGK: WGK 1