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供應(yīng) L-Tryptophan /73-22-3  |
規(guī) 格: |
98%-101.5% |
價(jià) 格: |
1/ |
數(shù) 量: |
1 |
交貨地: |
憑指定 |
發(fā)布時(shí)間: |
2015-04-16 |
有效期: |
90天 |
備 注: |
Specification of L-Tryptophan
[CAS No.]: 73-22-3
[Molecular Weight]:204.23
[Chemical Formula]: C11H12N2O2
Items Specification
Description White to yellow crystals or crystalline powder, tasteless, odorless
Assay 98%-101.5%
Quality Standard GB/T25734-2010
Hp 5.0-7.0
Specific Rotation -29.0°-32.8°
Loss on Drying ≤0.5%
Residual on Ignition ≤0.5%
Arsenic ≤2ppm
Heavy Metal ≤15ppm
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結(jié)構(gòu)式: |
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