Description
|
Product Name: |
Trans-L-4-Hydroxyproline |
|
|
CAS No.: |
51-35-4 |
|
|
EINECS No.: |
200-091-9 |
|
|
Chemical Formula: |
C5H9NO3 |
|
|
Molecular Weight: |
131.1299 |
|
|
Synonyms: |
L-Hydroxyproline; trans-L-Hydroxyproline |
|
|
Standard: |
AJI92 |
|
|
|
||
|
Analytical Procedure |
Specification |
|
|
Appearance: |
White crystalline powder |
|
|
Assay: |
99.0% min. (HPLC) |
|
|
Specific rotation [α]D20: |
-75º~76º (C=4 in H2O) |
|
|
State of solution: |
Clear and colorless |
|
|
Transmittance: |
98.0% min. |
|
|
Loss on drying |
0.20% max. |
|
|
Residue on ignition [sulfated]: |
0.10% max. |
|
|
Chloride [Cl-]: |
0.020% max. |
|
|
Ammonium [NH4+]: |
0.020% max. |
|
|
Sulfate [SO4]: |
0.020% max. |
|
|
Iron [Fe]: |
10 ppm max. |
|
|
Heavy metals [Pb]: |
10 ppm max. |
|
|
Arsenic [As2O3]: |
1 ppm max. |
|
|
Other amino acids: |
0.020% max. |
|