Product Name: L-Carnosine
CAS No.: 305-84-0
EINECS: 206-169-9
Molecular Formula: C9H14N4O3
Molecular Weight: 226.23
Grade Standard: Food Grade
Purity: 100.0%
Appearance: White powder
Packaging: 25kg/drum or as customer requirements
Delivery Time: prompt shipment after order confirmation
CERTIFICATE OF ANALYSIS
Product NAME:L-Carnosine |
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Shelf life:2years |
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Tests |
Limits |
Test results |
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Appearance |
Off-White or white powder |
White powder |
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Identification |
HPLC RT |
Conform |
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Assay |
N.L.T.99% |
100.0% |
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Specific rotation |
+20.0°~ +22.0° |
+21.1° |
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Melting point |
250.0~265.0°C |
252.7~253.8°C |
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Lead |
≤3ppm |
conform |
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Arsenic |
≤1ppm |
conform |
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Cadmium |
≤1ppm |
conform |
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Mercury |
≤0.1ppm |
conform |
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Heavy metals(Pb) |
≤10ppm |
conform |
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Related substances |
L-histidine ≤0.3% |
0.02% |
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Single impurity |
≤0.10% |
<0.06% |
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Total unknown impurity |
≤1.0% |
<0.12% |
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Hydrazine |
≤2ppm |
conform |
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PH |
7.5~8.5 |
8.3 |
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Total plate count |
≤1000cfu/G |
40cfu/G |
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Total yeast&mold |
≤100cfu/G |
20cfu/G |
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Loss on drying |
≤1.0% |
0.21% |
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Residue on ignition |
≤0.10% |
0.06% |
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Conclusion: Passed test according to the Standard of Corporation standard. |
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