Customization: | Available |
---|---|
CAS No.: | 616-91-1 |
Formula: | C5h9no3s |
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Audited by an independent third-party inspection agency
Product Name |
N-Acetyl-L-cysteine |
Quantity |
200kg |
|
Batch Number |
ONB20210011 |
MFG Date |
2021.10.22 |
|
Standard |
In house |
Expiry Date |
Two years |
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Items |
Quality Standard |
Results |
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Appearance |
White to off-white crystalline powder |
Conforms |
||
Purity |
≥99.5% |
99.787% |
||
Hydroquinone PPM |
Negative |
Negative |
||
Melting point ºC |
202-207 |
204.7-205.5 |
||
Specific rotation ° |
(a)20D=+174.0°~ +186.0° |
+179.45° |
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Solubility |
Soluble in water slightly soluble in ethanol |
Conforms |
||
Residue on ignition |
≤0.5% |
0.02% |
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Loss on drying |
≤0.5% |
0.13% |
||
PH |
5.0~7.0 |
6.2 |
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Heavy metals(Pb) |
≤10ppm |
Conforms |
||
Arsenic |
≤2ppm |
Conforms |
||
Total Plate Count(CFU/g) |
≤100 |
Conforms |
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Yeast and Mold(CFU/g) |
≤50 |
Conforms |
||
E.Coliforms(CFU/g) |
Negative |
Conforms |
||
Staphylococcus aureus(CFU/g) |
Negative |
Negative |
||
P.aeruginosa(CFU/g) |
Negative |
Negative |
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Conclusion |
The product conforms to In-house standard |