L-Hydroxyproline

Post Date:
Sep 08,2016
Expiry Date:
Sep 08,2017
Detailed Description:
Cas No. :51-35-4 Standard: AJI92
Inspect Item Quality Standard
Description White crystals or crystalline powder
Specific Rotation 74.0° ～ -77.0°
Identification Conforms
ph 5.0 ～ 6.5
luminousness ≥95.0% Not less than 95.0%
Chloride（CL） ≤0.020% Not moe than 0.020%
Sulfate（SO4） ≤0.020% Not more than 0.020%
Ammonium（NH4） ≤0.02% Not more than 0.020%
Heavy Metals（Pb） ≤0.001% Not more than 0.001%
Iron(Fe) ≤0.001% Not more than 0.001%
Arsenic(As2O3) ≤0.0001% Not more than 0.0001%
Other Amino Acids Not detectable
Loss On Drying ≤0.20% Not more than 0.20%
Residue On Ignition ≤0.10% Not more than 0.10%
Assay 98.5 ～ 101.0%
CAS Registry Number:
51-35-4
Synonyms:
;4-hydroxy-L-proline (trans);(2S,4R)-(-)-4-Hydroxypyrrolidine-2-carboxylic acid;H-Hyp-OH;(2S,4R)-(-)-4-Hydroxy-2-pyrrolinecarboxylic acid;4-Hydroxyproline;4-L-Hydroxyproline;delta-Hydroxyproline;Hypro;L-Proline, 4-hydroxy-, trans-;L-Proline,4-hydroxy-,trans;Ls-Hydroxyproline;Proline, 4-hydroxy-;(2S,4R)-4-Hydroxyproline;L-Hydroxyproline;(4R)-4-hydroxy-L-proline;3-hydroxy-L-proline;1-hydroxyproline;1-hydroxy-L-proline;Trans-4-hydroxyl-L-proline;
Molecular Formula:
C₅H₉NO₃
Molecular Weight:
131.1313
Molecular Structure:
Hazard Symbols:
Xi:;
Risk Codes:
36/37/38:;
Safety Description:
S24/25:;

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