| CAS No.: | 305-84-0 |
|---|---|
| Formula: | 305-84-0 |
| Type: | Synthesis Material Intermediates |
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Item |
Specifications |
Results |
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Appearance |
White or off-white powder |
Off-white powder |
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IR |
This product is an infrared absorption spectrum is consistent with the reference map |
Pass |
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Assay |
≥99.0% |
99.3% |
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Melting point |
250~265ºC |
251.0-251.6ºC |
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Heavy metal |
≤20ppm |
Pass |
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Residue on ignition |
≤0.1% |
Not detected |
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Specific optical rotation |
+20.0°~+22.0° |
+21.5° |
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Loss on drying |
≤1.0% |
1.0% |
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L-histidine |
≤0.30% |
0.09% |
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β-alanine |
≤0.30% |
0.02% |
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Single impurity |
≤0.20% |
0.06% |
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Total impurities |
≤1.0% |
0.3% |
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Total aerobes count |
NMT3000cfu/gm |
<10cfu/gm |
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Mold&yeast |
NMT300cfu/gm |
40cfu/gm |
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Coliform |
Less than 10cfu/gm |
<10cfu/gm |
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E.Coli |
Absent/10gm |
Not detected |
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Staphylococcus aureus |
Absent/10gm |
Not detected |
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Conclusion |
The results conforms with Enterprise standards |
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