| 分子式 | |
| 其他事项 | 4.120051trans-4-Hydroxy-L-proline, ≥ 99.0%extra pureC5H9NO3 M.=131.13CAS No. 51-35-4Guarantee analysis Assay (Total base) ≥ 99.0%Loss on drying (105 °C, 3 hrs) ≤ 0.2% Heavy metals (as Pb) ≤ 10 ppmSulfated ash ≤ 0.1%Specific optical rotation (20 °C, 589 nm) (c=5, H2O) - 74° to - 77° Transmittance (c=10, H2O, 430 nm) 1cm cell ≥ 95%Other amino acids (TLC) ≤ 0.5% |
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