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trans-4-Hydroxy-L-proline 1-hydroxy-L-proline CAS:51-35-4
Product name |
trans-4-Hydroxy-L-proline |
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 |
Molecular formula |
C5H9NO3 |
Molecular weight |
131.1313 |
Structural formula |
|
Product description |
white crystal or crystalline powder, with slightly bitter taste, easily soluble in formic acid, soluble in water, insoluble in ethyl alcohol and diethyl ether. It has stable physicochemical properties. |
Uses |
Pharmaceutical intermediate and food additive; flavoring agent, nutrient supplement, biochemical reagent. It is mainly used in juice, soft drink, nutritious drink, etc. |
Item |
Standard |
Test Results |
|
Identification |
A.H-NMR:Comply with the structure |
Complies |
|
B.LC-MS:Comply with the structure |
Complies |
||
C.The IR spectrum of sample should be identical with that of reference standard; |
Complies |
||
D.HPLC-ESI-MS |
Complies |
||
The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay. |
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Heavy metals |
≤10 ppm |
<10ppm |
|
Water |
≤1.0% |
0.10% |
|
Sulphated ash |
≤0.5%, determined on 1.0 g. |
0.01% |
|
Related substances |
Unspecified impurities: for each impurity |
≤0.10% |
<0.10% |
Total Impurity |
≤0.5% |
0.18% |
|
Purity |
≥99.0% |
99.70% |
|
Assay |
99.0%~101.0% (anhydrous substance). |
99.80% |
|
Storage |
Preserve in well-closed, light-resistant and airtight containers. |
Complies |
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