Certificate of Analysis
|
Product Name |
N-Acetyl-D-Glucosamine |
Country of Origin |
China |
|
CAS No |
7512-17-6 |
Molecular Formula |
C8H15NO6 |
|
Batch No. |
NADG-20210420 |
Batch Quantity |
1000kgs |
|
Manufacturing Date |
Apr 20, 2021 |
Expiry Date |
Apr 19, 2023 |
|
Items |
Specification |
Result |
|
Assay (HPLC) |
98.0 ~102.0% (on the dried basis) |
99.35% |
|
PHYSICAL CHARACTERISTICS |
||
|
Appearance |
White crystalline, free flowing powder |
conforms |
|
Particle Size |
100% through 100mesh |
0.15% |
|
Melting point |
196℃~205℃ |
199.5℃~200.7℃ |
|
Bulk Density |
NLT 0.45g/ml |
0.48g/ml |
|
As Tapped Density |
Meets the requirements of USP |
Complies |
|
Specific Rotation |
+39.0°~ +43.0° |
+40.62° |
|
Ph(20mg/ml.aq.sol.) |
6.0~8.0 |
7.08 |
|
Loss on drying |
NMT0.5% |
0.11% |
|
Residue on ignition |
NMT0.1% |
0.04% |
|
CHEMICAL CHARACTERISTICS |
||
|
Heavy metals |
NMT10ppm |
Complies |
|
Arsenic(As) |
NMT0.5ppm |
Complies |
|
Iron(Fe) |
NMT10ppm |
Complies |
|
Lead |
NMT0.5ppm |
0.10ppm |
|
Organic volatile impurities |
Meets the requirements |
Complies |
|
Microbiological Characteristics |
||
|
Total plate count |
≤1000cfu/g |
<100cfu/g |
|
Yeast/Mold |
<100cfu/g |
<30cfu/g |
|
E.Coli |
Negative in 1g |
Negative |
|
Enterobacteria & other gram neg |
100cfu/g |
|
|
Packing and Storage |
Store in tight, light-resistant containers, avoid exposure to direct sunlight, moisture and heat. |
|
|
Conclusion |
Meets USP Standards |
|
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滬ICP備05034851號(hào)-57
30cfu/g
