L-Hydroxyproline 10G
L-Hydroxyproline for biochemistry. CAS 51-35-4, pH 5.5 - 6.5 (50 g/l, H₂O, 20 °C).
Manufacturer: Merck
Catalog ID: 104506.0010
Stock: In Stock
Description
Catalogue Number | 104506 |
Synonyms | L(-)-4-Hydroxypyrrolidine-2-carboxylic acid, Hyp |
Product Information
CAS number | 51-35-4 |
EC number | 200-091-9 |
Hill Formula | C₅H₉NO₃ |
Molar Mass | 131.13 g/mol |
HS Code | 2933 99 80 |
Applications
Application | L-Hydroxyproline for biochemistry. CAS 51-35-4, pH 5.5 - 6.5 (50 g/l, H₂O, 20 °C). |
Physicochemical Information
Melting Point | 274 °C |
pH value | 5.5 - 6.5 (50 g/l, H₂O, 20 °C) |
Bulk density | 610 kg/m3 |
Solubility | 500 g/l |
Storage and Shipping Information
Storage | Store below +30°C. |
Specifications
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 % |