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Product:

L-Hydroxyproline

Alias:

L-Hydroxyproline; (4R)-4-hydroxy-L-proline; 3-hydroxy-L-proline; 1-hydroxyproline; 1-hydroxy-L-proline

English alias:

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

CAS No.:

51-35-4

EINECS No.:

200-091-9

Appearance:

White crystal or crystalline powder

Content:

≥ 98.5% ～ 101.5%

Specific rotation:

-74.0 ℃ ~-77.0 ℃

PH:

5.0 ～ 6.5

Light transmittance:

≥ 95.0%

Chlorine compounds:

≤ 0.02%

Ammonium salt:

≤ 0.02%

Sulfate:

≤ 0.02%

Heavy Metal:

≤ 0.001%

Iron salts:

≤ 0.001%

Arsenic salts:

≤ 0.0001%

Other acid

Chromatography no other spots

Loss on drying

≤ 0.2%

Residue on ignition

≤ 0.1%

Molecular formula:

C₅H₇NO₃

Molecular weight:

129.114

InChI:

InChI=1/C5H7NO3/c7-3-1-4(5(8)9)6-2-3/h1,3,6-7H,2H2,(H,8,9)

Molecular structure:

Melting point:

274-275℃

Solubility:

357.8 g/L (20℃)