Pemasok dengan izin usaha terverifikasi
Pemasok yang Diaudit Health Supplements Amino Acid L-Hydroxyproline with cas 51-35-4 Hydroxyproline
| L-Hydroxyproline Basic information | |
| Product Name: | L-Hydroxyproline |
| CAS: | 51-35-4 |
| MF: | C5H9NO3 |
| MW: | 131.13 |
| EINECS: | 200-091-9 |
| Mol File: | 51-35-4.mol |
| L-Hydroxyproline Chemical Properties | |
| Melting point | 273 °C (dec.)(lit.) |
| alpha | -75.5 º (c=5, H2O) |
| Boiling point | 242.42°C (rough estimate) |
| density | 1.3121 (rough estimate) |
| vapor density | 4.5 (vs air) |
| refractive index | -75.5 ° (C=4, H2O) |
| storage temp. | Store below +30°C. |
| solubility | H2O: 50 mg/mL |
| form | Crystals or Crystalline Powder |
| pka | 1.82, 9.66(at 25ºC) |
| color | White |
| PH | 5.5-6.5 (50g/l, H2O, 20ºC) |
| Odor | Odorless |
| optical activity | [α]25/D 75.6°, c = 1 in H2O |
| Water Solubility | 357.8 g/L (20 º C) |
| Merck | 144,840 |
| BRN | 471933 |
| InChIKey | PMMYEEVYMWASQN-DMTCNVIQSA-N |
| CAS DataBase Reference | 51-35-4(CAS DataBase Reference) |
| NIST Chemistry Reference | Hydroxyproline(51-35-4) |
| EPA Substance Registry System | trans-4-Hydroxy-L-proline (51-35-4) |
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Iterm
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specifications
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description
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White crystals or White crystalline powder
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Assay
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98.5%-101.5%
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Specific rotation
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-84.5.-86.5.
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PH
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5.9-6.9
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state of the solution
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≥ 98.0%
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chloride(cl)
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≤0.02%
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Sulfide(SO4)
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≤0.02%
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Ammonium(NH4)
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≤0.02%
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Iron(Fe)
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≤0.001%
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Heavy metals(pb)
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≤0.001%
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(As)
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≤0.0001%
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Other amino acids
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≤0.5%
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Loss on drying
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≤0.3%
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residue on ignitation
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≤0.1%
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