trans-4-Hydroxy-L(-)-proline 99+%

Supplier: Thermo Scientific

Synonyms: L-4-Hydroxyproline, (S)-(-)-trans-4-Hydroxyproline, L(-)-trans-4-Hydroxyproline, 4-Hydroxy-L-Proline, (2S,4R)-4-Hydroxypyrrolidine-2-carboxylic acid, H-Hyp-OH

121780100 121780250 121781000 121785000
ACRO121780100EA 108 GBP
ACRO121780100 ACRO121780250 ACRO121781000 ACRO121785000
trans-4-Hydroxy-L(-)-proline 99+%
trans-4-Hydroxy-L(-)-proline
Formula: C₅H₉NO₃
MW: 131,13 g/mol
Boiling Pt: 296 °C (1013 hPa)
Melting Pt: 274…275 °C (dec.)
Storage Temperature: Ambient
MDL Number: MFCD00064320
CAS Number: 51-35-4
EINECS: 200-091-9
Merck Index: 13,04866

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Specification Test Results

Appearance White Crystalline powder or crystals
Infrared spectrum Conforms
Loss on drying ≤0.2 % (105°C, 3 hrs)
Sulfated ash ≤0.1 %
UV transmittance ≥95 % (c=10, H2O, 430 nm) 1 cm cell
Specific optical rotation -74° to -77° (20°C, 589 nm) (c=5, H2O)
Titration with HClO4 99.0 to 101.0 %
Chloride (Cl) ≤200 ppm
Sulfate (SO4) ≤200 ppm
Ammonium (NH4) ≤200 ppm
Iron (Fe) ≤10 ppm
Heavy metals (as Pb) ≤10 ppm
Other amino acids ≤0.5 % (TLC)

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